WO2021110179A1 - Battery, battery assembly, battery pack and electronic apparatus - Google Patents

Battery, battery assembly, battery pack and electronic apparatus Download PDF

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Publication number
WO2021110179A1
WO2021110179A1 PCT/CN2021/073452 CN2021073452W WO2021110179A1 WO 2021110179 A1 WO2021110179 A1 WO 2021110179A1 CN 2021073452 W CN2021073452 W CN 2021073452W WO 2021110179 A1 WO2021110179 A1 WO 2021110179A1
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WO
WIPO (PCT)
Prior art keywords
battery
sealing
circuit board
top surface
main body
Prior art date
Application number
PCT/CN2021/073452
Other languages
French (fr)
Chinese (zh)
Inventor
黄小钊
李超鹏
韦天华
王华强
Original Assignee
东莞新能德科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201922179330.2U external-priority patent/CN211404531U/en
Priority claimed from CN202021254669.0U external-priority patent/CN212907883U/en
Priority claimed from CN202021257087.8U external-priority patent/CN212625746U/en
Priority claimed from CN202021338803.5U external-priority patent/CN212625976U/en
Priority claimed from CN202021351823.6U external-priority patent/CN212625794U/en
Application filed by 东莞新能德科技有限公司 filed Critical 东莞新能德科技有限公司
Priority to CN202180006949.0A priority Critical patent/CN114747070B/en
Publication of WO2021110179A1 publication Critical patent/WO2021110179A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • H01M50/186—Sealing members characterised by the disposition of the sealing members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • This application relates to the field of batteries, in particular to batteries, battery components, battery packs, and electronic devices using the battery components or batteries.
  • lithium-ion batteries are widely used in portable electronic devices such as mobile phones, digital video cameras, and laptop computers due to their advantages such as high energy density, high cycle life, and no memory effect.
  • the battery assembly includes a battery core body, an encapsulation film, and tabs.
  • the packaging film includes a main body, a top sealing edge and a side sealing edge.
  • the main body part covers the main body of the battery.
  • the main body portion includes a first surface, a second surface, a top wall, and a side wall, the first surface and the second surface are disposed opposite to each other, and the top wall connects the first surface and the second surface ,
  • the side wall connects the first surface, the second surface and the top wall.
  • the top sealing edge is arranged on the top wall and extends toward the first surface.
  • the side sealing edge is arranged on the side wall and extends toward the second surface.
  • the tab includes a first end and a second end opposite to each other, the first end is connected to the battery core body, and the second end is located outside the packaging film.
  • the battery assembly further includes a wire and/or a flexible circuit board, and the wire and/or the flexible circuit board is welded to the second end.
  • the top sealing edge is located between the first surface and the second surface.
  • the side sealing edge is located between the first surface and the second surface.
  • the tab is located between the first surface and the second surface.
  • an electronic device includes the battery assembly described above.
  • the above-mentioned battery assembly of the present application has a simple structure, and the top sealing edge and the side sealing edge extend in opposite directions, so that the thickness of the connecting portion stack in the battery assembly is reduced, thereby reducing the volume of the battery assembly, and at the same time It also reduces the folding stress and reduces the probability of damage to the connecting part.
  • Wires and/or flexible circuit boards are welded on the tabs of the battery assembly to facilitate flexible connection of external electronic components, thereby facilitating the reduction of the volume of the battery assembly.
  • the top sealing edge, the side sealing edge and/or the tabs are located between the first surface and the second surface, which can further reduce the volume of the battery assembly.
  • the battery includes a battery cell and a circuit board.
  • the battery cell includes a packaging bag and a tab.
  • the packaging bag includes a main body and a top sealing edge, the main body includes a top surface, the top sealing edge extends from the top surface, and the top sealing edge is bent toward the main body and covers a portion The top surface.
  • the tabs extend from the top sealing edge.
  • the circuit board is arranged on the top surface. The circuit board is provided with an avoidance groove at a position corresponding to the tab, and the tab is bent toward the avoidance slot and is electrically connected to the circuit board.
  • the circuit board includes a lower surface facing the top surface and an upper surface facing away from the top surface; the escape groove penetrates the upper surface and the lower surface, and the pole The ear and the circuit board are electrically connected to the upper surface.
  • the projections of the tabs on the top surface are all located in the top surface.
  • the battery cell includes two tabs, and the circuit board is provided with a avoidance slot at a position corresponding to each tab.
  • the two avoidance slots are in communication with each other.
  • a first sealing member and a second sealing member are arranged in the top sealing edge, and the first sealing member is used to isolate the top sealing edge from one of the tabs, and The second sealing element is used to isolate the top sealing edge from the other tab, the first sealing element is located in one of the avoiding grooves, and the second sealing element is located in the other avoiding groove, wherein, the projections of the first sealing member, the second sealing member and the circuit board on the top surface do not overlap.
  • the battery pack as a solution of the present application includes a circuit board and a plurality of cells arranged horizontally.
  • Each of the batteries includes a packaging bag and a tab.
  • the packaging bag includes a main body and a top sealing edge, the main body includes a top surface, the top sealing edge extends from the top surface, and the top sealing edge is bent toward the main body and covers a portion The top surface.
  • the tabs extend from the top sealing edge; the circuit board is arranged on a surface formed by the top surfaces of the plurality of horizontally arranged electric cores.
  • the circuit board is provided with an avoidance groove at a position corresponding to the tab of each battery core, and the tab is bent toward the avoidance slot and is electrically connected to the circuit board.
  • the projections of the tabs on each battery cell on the top surface of the battery cell are all located in the top surface.
  • the electronic device as a solution of the present application includes the battery as described above.
  • the battery pack includes a plurality of batteries as described above, and the plurality of batteries are arranged vertically or stacked.
  • the above-mentioned battery in this application utilizes the design of the avoidance groove to provide bending space for the tabs, avoiding part of the tabs in the bending area from protruding relative to the battery core, so as to improve the battery
  • the space utilization rate in the thickness direction saves the packaging space of the battery, thereby providing more space for the battery core, thereby achieving the purpose of increasing the battery capacity.
  • the battery includes a battery core and tabs electrically connected to the battery core.
  • the battery cell includes a packaging bag, the packaging bag includes a main body portion and a top seal portion, the main body portion includes a top surface, the top seal portion extends from the top surface and is folded toward the top surface, so The tabs extend from the top seal part.
  • the battery further includes an insulating member, the insulating member including a built-in part located in the top sealing part and an extension part extending outside the top sealing part, and the tabs are penetrated through the insulating part to communicate with the The top seal part is isolated, and the extension part is connected to the built-in part and is bent toward the top seal part.
  • the extension portion includes two corner portions respectively located on both sides of the tab, and both of the corner portions are provided with a notch structure.
  • the extended portion forms the notch structure by cutting the corner portion or folding the corner portion.
  • the intersection line between the notch structure and the extension part is an arc, a diagonal line or a polyline.
  • the notch structure and the side edge of the extension part intersect at a point A
  • the notch structure and the top edge of the extension part intersect at a point B
  • the angle ⁇ formed by the connecting line of B and the side of the extension part satisfies: 110° ⁇ 160°.
  • the distance D from the intersection point C of the tab and the extension part to the point B is 0.1 mm-1 mm.
  • the top seal portion includes two oppositely arranged first and second sealing portions, and a third sealing portion connected between the first and second sealing portions
  • the first sealing part and the second sealing part are respectively folded toward the third sealing part, the third sealing part is folded toward the top surface, and the built-in part is located in the third sealing part.
  • the battery further includes a circuit board electrically connected to the tabs, and the circuit board is disposed on a surface formed by a part of the top surface and a part of the top seal portion.
  • the circuit board includes a flexible circuit board and a reinforcing plate disposed on the flexible circuit board facing the top surface, and the reinforcing plate is disposed on part of the third sealing part and part
  • the top surface constitutes a surface
  • the reinforcing plate includes a first surface facing the first sealing portion and a second surface facing the second sealing portion, and the first surface is recessed inward to form a first surface
  • the second surface is recessed inward to form a second accommodating space
  • part of the first sealing part is accommodated in the first accommodating space
  • part of the second sealing part is accommodated in the second accommodating space.
  • the electronic device as a solution of the present application includes the battery as described above.
  • the above-mentioned battery in this application uses the design of the notch structure to avoid the problem that the extension portion protrudes from the battery after bending, improves the space utilization rate of the battery in the thickness direction, and saves the packaging space of the battery. So as to provide more space for the battery cell, and then achieve the purpose of increasing the battery capacity.
  • the battery includes a battery cell.
  • the battery cell includes a packaging bag.
  • the packaging bag includes a main body part, a top sealing part and at least one side sealing part.
  • the main body portion includes a top surface, a bottom surface opposite to the top surface, and a side surface connected between the top surface and the bottom surface, and the top seal portion extends from the top surface.
  • the side seal portion extends from the side surface and is connected to the top seal portion, and the side seal portion extends outward in the length direction of the battery.
  • a first notch is provided at the intersection of the top sealing part and the side sealing part, and the side sealing part is folded toward the side surface along the connecting edge where the side sealing part and the main body part intersect.
  • the top seal portion and the intersection of the side seal portion and the top seal portion are folded toward the top surface, and the projection of the top seal portion on the plane where the top surface of the battery is located is all located in the Within the range of the top surface.
  • the side sealing portion includes a corner portion close to the first gap, and the corner portion is folded toward the top sealing portion.
  • the side sealing portion includes a corner portion close to the first gap, and the corner portion is provided with a second gap.
  • the battery cell further includes an electrode assembly and tabs, the electrode assembly is housed in the main body, and the tabs are electrically connected to the electrode assembly and are sealed by the top seal. Extend out.
  • the electronic device as a solution of the present application includes the battery as described above.
  • a first notch is provided at the intersection of the top sealing part and the side sealing part to prevent the folded top sealing part and the side sealing part from protruding relative to the battery, thereby saving the packaging space of the battery.
  • the top seal part and the side seal part of the battery of the present application will not protrude relative to the battery after being folded.
  • it also reduces the space occupancy rate of the battery in the battery compartment, and improves the space utilization rate of the battery compartment.
  • the battery includes a battery core and a circuit board electrically connected to the battery core.
  • the battery cell includes a packaging bag.
  • the packaging bag includes a main body portion and a top seal portion, the main body portion includes a top surface, and the top seal portion extends from the top surface and is folded toward the top surface.
  • the top seal portion includes two oppositely arranged first and second sealing portions, and a third sealing portion connected between the first and second sealing portions, the first and second sealing portions The second sealing portion is respectively folded toward the third sealing portion, and the circuit board is disposed on a surface formed by a part of the third sealing portion and a part of the top surface.
  • the projections of the first sealing portion and the second sealing portion on the plane where the top surface is located do not overlap with the projections of the circuit board or the reinforced area in the circuit board on the plane where the top surface is located.
  • the first sealing portion includes a first corner portion opposite to the circuit board, and the second sealing portion includes a second corner portion opposite to the circuit board.
  • the first corner portion is provided with a first crease
  • the second corner portion is provided with a second crease
  • the first corner portion is folded along the one crease
  • the second corner portion Fold along the second crease.
  • the first sealing portion is provided with a first gap opposite to the circuit board, and the second sealing portion is provided with a second gap opposite to the circuit board.
  • the circuit board includes a first side, a second side facing away from the first side, a third side, and a fourth side facing away from the third side.
  • the first side And the second side surface are respectively connected between the third side surface and the fourth side surface.
  • the first side surface is provided with a third notch
  • the second side surface is provided with a fourth notch
  • part of the first sealing part is correspondingly received in the third notch
  • part of the second sealing part corresponds to Received in the fourth notch
  • a third notch is provided at the connection between the third side and the first side
  • a fourth notch is provided at the connection between the third side and the second side
  • Part of the first sealing part is correspondingly received in the third notch
  • part of the second sealing part is correspondingly received in the fourth notch.
  • the circuit board includes a flexible circuit board and a reinforcing plate disposed on the side of the flexible circuit board facing the top surface, and the area corresponding to the reinforcing plate is the area of the circuit board. Reinforcing area, the reinforcing plate is provided on a surface formed by part of the third sealing part and part of the top surface, and the flexible circuit board includes a first end facing the first sealing part and The second end of the second sealing portion, wherein, in the width direction of the battery, the first end protrudes relative to the reinforcing plate to form a first container together with the reinforcing plate. The second end portion protrudes relative to the reinforcing plate to form a second accommodating space together with the reinforcing plate, and part of the first sealing portion is accommodated in the first accommodating space, Part of the second sealing portion is accommodated in the second accommodating space.
  • the electronic device as a solution of the present application includes the battery as described above.
  • the structure of the first sealing part and the second sealing part, the structure of the circuit board, or the structure of the reinforcing plate avoid the first sealing part and the structure of the reinforcing plate.
  • the overlapping arrangement of the second sealing portion and the circuit board causes the problem of wasting space in the length direction of the battery, which improves the space utilization rate of the battery in the length direction, thereby achieving the purpose of increasing the battery capacity.
  • FIG. 1 is a three-dimensional schematic diagram of a partial structure of a battery assembly according to an embodiment of the application.
  • Fig. 2 is a partial enlarged schematic diagram of a part of the structure of the battery assembly shown in Fig. 1.
  • FIG. 3 is a three-dimensional schematic diagram of a partial structure of a battery assembly according to another embodiment of the application.
  • FIG. 4 is a partial enlarged schematic diagram of a part of the structure of the battery assembly shown in FIG. 3.
  • FIG. 5 is a three-dimensional schematic diagram of a partial structure of a battery assembly according to another embodiment of the application.
  • FIG. 6 is a three-dimensional schematic diagram of a battery assembly according to an embodiment of the application.
  • FIG. 7 is a three-dimensional schematic diagram of a battery assembly according to another embodiment of the application.
  • FIG. 8 is a three-dimensional schematic diagram of a battery assembly according to another embodiment of this application.
  • FIG. 9 is a three-dimensional schematic diagram of a battery assembly according to still another embodiment of this application.
  • FIG. 10 is a schematic diagram of the structure of a battery according to an embodiment of the application.
  • FIG. 11 is a schematic diagram of the structure of a battery cell according to an embodiment of the application.
  • Fig. 12 is a side view of the battery shown in Fig. 10.
  • Fig. 13 is a top view of the battery shown in Fig. 10.
  • Fig. 14 is a schematic diagram of the circuit board, the first electrical connection member and the second electrical connection member shown in Fig. 10.
  • FIG. 15 is a schematic structural diagram of a battery according to another embodiment of the application.
  • Fig. 16 is a top view of the battery shown in Fig. 15.
  • Fig. 17 is a schematic diagram of the circuit board, the first electrical connection member and the second electrical connection member shown in Fig. 15.
  • FIG. 18 is a schematic diagram of the structure of a battery pack according to an embodiment of the application.
  • FIG. 19 is a schematic structural diagram of a battery pack according to another embodiment of the application.
  • FIG. 20 is a schematic structural diagram of a battery pack according to another embodiment of the application.
  • FIG. 21 is a schematic structural diagram of a battery pack according to another embodiment of the application.
  • FIG. 22 is a schematic structural diagram of a battery pack according to another embodiment of the application.
  • FIG. 23 is a schematic diagram of modules of an electronic device according to an embodiment of the application.
  • FIG. 24 is a schematic diagram of the structure of a battery according to an embodiment of the application.
  • FIG. 25 is a schematic front view of the battery of FIG. 24.
  • FIG. 25 is a schematic front view of the battery of FIG. 24.
  • Figure 26 is an enlarged view of II shown in Figure 24.
  • Fig. 27 is a top view of the battery shown in Fig. 24 when the tabs are not bent.
  • FIG. 28 is a schematic diagram of the structure of a battery according to another embodiment of the application.
  • FIG. 29 is a schematic structural diagram of a battery according to another embodiment of the application.
  • FIG. 30 is a schematic structural diagram of a battery according to another embodiment of the application.
  • FIG. 31 is a schematic structural diagram of a battery according to another embodiment of the application.
  • FIG. 32 is a schematic structural diagram of a battery according to another embodiment of the application.
  • FIG. 33 is a schematic structural diagram of a battery according to another embodiment of the application.
  • Fig. 34 is a top view of the battery shown in Fig. 33;
  • FIG. 35 is a schematic diagram of the structure of the circuit board shown in FIG. 33.
  • FIG. 35 is a schematic diagram of the structure of the circuit board shown in FIG. 33.
  • Fig. 36 is a top view of a battery according to an embodiment of the application.
  • Fig. 37 is an expanded view of the battery shown in Fig. 36;
  • FIG. 38 is a schematic diagram of the structure of the battery after folding the side seal portion shown in FIG. 36.
  • FIG. 38 is a schematic diagram of the structure of the battery after folding the side seal portion shown in FIG. 36.
  • Fig. 39 is a schematic diagram showing the structure of the battery shown in Fig. 38 from another perspective.
  • FIG. 40 is a schematic diagram of an electrode assembly according to an embodiment of the application.
  • FIG. 41 is a top view of a battery according to another embodiment of the application.
  • FIG. 42 is an expanded view of a battery according to another embodiment of the application.
  • Fig. 43 is an expanded view of a battery according to another embodiment of the application.
  • Fig. 44 is an expanded view of a battery according to another embodiment of the application.
  • FIG. 45 is an expanded view of a battery according to another embodiment of the application.
  • FIG. 46 is a schematic diagram of the structure of a battery according to an embodiment of the application.
  • FIG. 47 is a schematic diagram of the structure of a battery cell according to an embodiment of the application.
  • Fig. 48 is an expanded schematic diagram of the battery cell shown in Fig. 47.
  • Fig. 49 is a top view of the battery shown in Fig. 46;
  • FIG. 50 is a schematic diagram of the structure of the circuit board shown in FIG. 46.
  • FIG. 50 is a schematic diagram of the structure of the circuit board shown in FIG. 46.
  • FIG. 51 is a top view of a battery according to an embodiment of the application.
  • Fig. 52 is an expanded schematic diagram of the battery cell shown in Fig. 51.
  • Fig. 53 is a top view of the battery cell shown in Fig. 51;
  • Fig. 54 is an expanded view of a battery cell according to an embodiment of the application.
  • FIG. 55 is a top view of a battery according to another embodiment of the application.
  • Fig. 56 is a top view of a battery according to another embodiment of the application.
  • Fig. 57 is a top view of a battery according to another embodiment of the application.
  • Fig. 58 is a top view of a battery according to another embodiment of the application.
  • FIG. 59 is a schematic diagram of modules of an electronic device according to an embodiment of the application.
  • Encapsulation film 30 empty slot 13 second missing part 1142
  • the first turning area 371 Top seal department 113a Battery 10d, 20a
  • the second turning area 373 The first sealing department 1131 The first gap 1134
  • Lead wire 60 60 Polar ears 12a Second corner position 1137
  • the present application discloses a battery assembly 100 including a battery core body (not shown), a packaging film 30 and a tab 50.
  • the packaging film 30 includes a main body 31, a top sealing edge 33 and a side sealing edge 35. The top sealing edge 33 and the side sealing edge 35 are respectively connected to the main body portion 31.
  • the main body portion 31 covers the battery core main body.
  • the tab 50 includes a first end and a second end 53 opposite to each other. The first end is connected to the main body of the cell, and the second end 53 is located outside the packaging film 30.
  • the main body portion 31 includes a first surface 311, a second surface 313, a top wall 315 and a side wall 317.
  • the first surface 311 is opposite to the second surface 313, the top wall 315 connects the first surface 311 and the second surface 313, and the side wall 317 connects the first surface 311, The second surface 313 and the top wall 315.
  • the top sealing edge 33 is disposed on the top wall 315, and the top sealing edge 33 extends from the top wall 315 toward the first surface 311.
  • the side sealing edge 35 is disposed on the side wall 317, and the side sealing edge 35 extends from the side wall 317 toward the second surface 313.
  • the packaging film 30 further includes a connecting portion 37 connecting the top sealing edge 33 and the side sealing edge 35.
  • the connecting portion 37 includes a first turning area 371 and a second turning area 373 connecting the first turning area 371.
  • the first turning area 371 includes a first connecting end 372, the first connecting end 372 is connected to the top sealing edge 33, the second turning area 373 includes a second connecting end 374, the second connecting The end 374 is connected to the side sealing edge 35.
  • the second turning area 373 is bent from the second connecting end 374 on the side of the side sealing edge 35 away from the side wall 317.
  • the included angle between the second turning area 373 and the side sealing edge 35 is less than 90°.
  • the first turning area 371 is bent from the first connecting end 372 toward the side wall 317.
  • the first turning area 371 is bent from the first connecting end 372 on the side of the top sealing edge 33 away from the top wall 315.
  • the included angle between the first turning area 371 and the top sealing edge 33 is less than 90°.
  • the second turning area 373 is bent from the second connecting end 374 toward the top wall 315.
  • the battery assembly 100 includes both of FIG. 2 and FIG. 4 at the same time. That is, the connecting portion 37 of one of the side sealing edges 35 and the top sealing edge 33 is arranged as shown in FIG. 2, the second turning area 373 is bent from the second connecting end 374 on the side The side seal 35 is away from the side wall 317. Wherein, the included angle between the second turning area 373 and the side sealing edge 35 is less than 90°, and the first turning area 371 is bent from the first connecting end 372 toward the side wall 317; and The arrangement of the connecting portion 37 of the other side sealing edge 35 and the top sealing edge 33 is shown in FIG.
  • the first turning area 371 is bent from the first connecting end 372 to the top sealing edge 33 is away from the side of the top wall 315.
  • the included angle between the first turning area 371 and the top sealing edge 33 is less than 90°
  • the second turning area 373 is bent from the second connecting end 374 toward the top wall 315.
  • the top sealing edge 33 is located between the first surface 311 and the second surface 313, that is, the top sealing edge 33 does not protrude from the first surface 311, so as to reduce the The volume of the battery pack 100. In other embodiments, the top sealing edge 33 may also protrude from the first surface 311.
  • the side sealing edge 35 is located between the first surface 311 and the second surface 313, that is, the side sealing edge 35 does not protrude from the second surface 313, so as to reduce the The volume of the battery pack 100.
  • the side sealing edge 35 may also protrude from the second surface 313.
  • the tab 50 can extend from the top sealing edge 33 or from the side sealing edge 35. In the present application, further description will be made by taking the protruding tab 50 from the top sealing edge 33 as an example.
  • the part of the tab 50 located outside the packaging film 30 is perpendicular to the top wall 315.
  • the part of the tab 50 located outside the packaging film 30 can also be arranged parallel to the top wall 315.
  • the part of the tab 50 located outside the packaging film 30 can also be arranged at other angles to the top wall 315.
  • the tab 50 is located between the first surface 311 and the second surface 313, that is, the tab 50 does not protrude from the first surface 311 or the second surface 313, so that In order to reduce the volume of the battery assembly 100.
  • the battery assembly 100 further includes a wire 60 or/and a flexible circuit board 70, the wire 60 or/and the flexible circuit board 70 and the second end 53 welding to achieve electrical connection.
  • the welding may be laser welding, ultrasonic welding or hot pressure welding.
  • the end of the wire 60 connected to the second end 53 is flat to facilitate welding.
  • the end of the wire 60 away from the second end 53 is provided with solder (such as solder paste, not shown) for electrical connection with other electronic components by thermal compression welding.
  • solder such as solder paste, not shown
  • the end of the wire 60 away from the second end 53 is provided with an electrical connector 61 for electrical connection with other electronic components.
  • the end of the flexible circuit board 70 away from the second end 53 is provided with a gold finger 71 for electrical connection with other electronic components.
  • the end of the flexible circuit board 70 away from the second end 53 is provided with an electrical connector 73 for electrical connection with other electronic components.
  • a conductive sheet may be further provided between the second end 53 of the tab 50 and the wire 60 and/or the second end 53 of the tab 50 and the flexible circuit board 70 ( (Not shown in the figure), the conductive sheet electrically connects the tab 50 and the wire 60 and/or electrically connects the tab 50 and the flexible circuit board 70.
  • the conductive sheet is laser welding or ultrasonic welding.
  • a protective plate ( Picture not shown).
  • the protection board electrically connects the tab 50 and the wire 60 and/or electrically connects the tab 50 and the flexible circuit board 70.
  • the protection board is provided with components, such as MOS, control chip (control IC) and so on.
  • the above-mentioned battery assembly 100 is applied to an electronic device (not shown).
  • the electronic device can be, but is not limited to, a mobile phone, a computer, an electric toy, etc.
  • the electronic device further includes an external electronic component (not shown), and the external electronic component is electrically connected to the wire 60 and/or the flexible circuit board 70.
  • the external electronic component is thermally welded to the solder on the wire 60 or connected to the electrical connector 61 on the wire 60.
  • the external electronic component is connected to the golden finger 71 of the flexible circuit board 70 or is connected to the electrical connector 73 of the flexible circuit board 70.
  • the above-mentioned battery assembly 100 of the present application has a simple structure.
  • the top sealing edge 33 and the side sealing edge 35 extend in opposite directions, so that the thickness of the stack of the connecting portion 37 in the battery assembly 100 is reduced, thereby reducing the battery
  • the volume of the component 100 also reduces the folding stress, and reduces the probability of damage to the connecting portion 37 by folding.
  • the tabs 50 of the battery assembly 100 are welded with wires 60 and/or flexible circuit boards 70 to facilitate flexible connection of external electronic components, thereby facilitating the reduction of the volume of the battery assembly 100.
  • the top sealing edge 33, the side sealing edge 35 and/or the tab 50 are located between the first surface 311 and the second surface 313, which can further reduce the size of the battery assembly 100 volume of.
  • the battery 10 includes a battery cell 11 and a circuit board 12. Please refer to FIG. 21 together.
  • the battery cell 11 includes a packaging bag 111 and a tab 112.
  • the packaging bag 111 includes a main body 1111 and a top sealing edge 1112.
  • the main body portion 1111 includes a top surface 1113.
  • the top sealing edge 1112 extends from the top surface 1113.
  • the top sealing edge 1112 is bent toward the main body portion 1111 and covers a part of the top surface 1113.
  • the tab 112 extends from the top sealing edge 1112.
  • the circuit board 12 is disposed on the top surface 1113.
  • the circuit board 12 is provided with an escape slot 13 at a position corresponding to the tab 112.
  • the tab 112 is bent toward the avoiding groove 13 and is electrically connected to the circuit board 12.
  • the design of the avoidance groove 13 in the present application provides a bending space for the tab 112, and avoids the bending of a portion of the tab 112 relative to the electrical
  • the core 11 protrudes to improve the space utilization of the battery 10 in the thickness direction (ie the X-axis direction) and save the packaging space of the battery 10, thereby providing more space for the battery core 11, thereby achieving the improvement of battery capacity purpose.
  • the circuit board 12 includes a lower surface 121 facing the top surface 1113 and an upper surface 122 facing away from the top surface 1113.
  • the avoidance groove 13 penetrates the upper surface 122 and the lower surface 121.
  • the tab 112 and the circuit board 12 are electrically connected to the upper surface 122.
  • the projections of the tab 112 on the top surface 1113 are all located in the top surface 1113. That is, the part of the tab 112 in the bending area A does not protrude from the battery core 11, which improves the space utilization of the battery 10 in the thickness direction (that is, the X-axis direction), and saves the packaging of the battery 10 Space, thereby providing more space for the battery cell 11, thereby achieving the purpose of increasing the battery capacity.
  • the battery cell 11 includes two tabs 112.
  • the circuit board 12 is provided with a avoidance slot 13 corresponding to each of the tabs 112.
  • the two avoidance slots 13 are not connected to each other.
  • the two tabs 112 are defined as a first tab 112c and a second tab 112d
  • the two avoidance grooves 13 are defined as a first avoidance groove 13a and a second avoidance groove 13b.
  • the first avoidance groove 13a and the second avoidance groove 13b communicate with each other.
  • the top sealing edge 1112 is provided with a first sealing member 113 and a second sealing member 114.
  • the first sealing member 113 is used to isolate the top sealing edge 1112 and the first tab 112c
  • the second sealing member 114 is used to isolate the top sealing edge 1112 and the second tab 112d.
  • the first sealing member 113 is located in the first avoiding groove 13a
  • the second sealing member 114 is located in the second avoiding groove 13b.
  • the projections of the first sealing member 113, the second sealing member 114 and the circuit board 12 on the top surface 1113 do not overlap.
  • the design of the avoidance groove in this application provides a receiving space for the first sealing member 113 and the second sealing member 114, avoiding the first sealing member 113, the circuit board 12, and the second sealing member 113 and the second sealing member 114.
  • the sealing member 114 and the circuit board 12 are overlapped in the length direction of the battery 10 (ie, the Y-axis direction), so as to effectively improve the space utilization of the battery 10 in the length direction.
  • the layout of the circuit board 12 and the first sealing member 113 and the second sealing member 114 is optimized by using the design of the avoidance groove to save the packaging of the battery 10 Space, thereby providing more space for the battery cell 11, thereby achieving the purpose of increasing the battery capacity.
  • the upper surface 122 is provided with a first electrical connector 123 and a second electrical connector 124.
  • the first electrical connector 123 is electrically connected to the first tab 112c
  • the second electrical connector 124 is electrically connected to the second tab 112d.
  • an external component 125 is provided on the circuit board 12.
  • the external component 125 is electrically connected to the circuit board 12.
  • the external part 34 is not limited to a flexible circuit board or a terminal wire.
  • the present application also provides a battery pack 20.
  • the battery pack 20 includes a plurality of the batteries 10 described above.
  • a plurality of the batteries 10 are arranged vertically or stacked.
  • a battery 10 includes a battery cell 11 and a circuit board 12.
  • the battery cell 11 includes a packaging bag 111, a first tab 112c, and a second tab 112d.
  • the packaging bag 111 includes a main body 1111 and a top sealing edge 1112.
  • the main body portion 1111 includes a top surface 1113, a bottom surface 1114 facing away from the top surface 1113, and a side surface 1115 connected between the top surface 1113 and the bottom surface 1114.
  • the main body portion 1111 has a rectangular parallelepiped structure.
  • the main body portion 1111 is not limited to a rectangular parallelepiped structure, and may also be a columnar structure or the like.
  • the top sealing edge 1112 extends from the top surface 1113 and is bent toward the main body portion 1111 to cover part of the top surface 1113.
  • the first tab 112c and the second tab 112d extend from the top sealing edge 1112, respectively.
  • the polarity of the first tab 112c is different from the polarity of the second tab 112d.
  • the cell 11 further includes an electrode assembly (not shown in the figure) and electrolyte (not shown in the figure).
  • the electrode assembly and the electrolyte are contained in the main body 1111.
  • the first tab 112c and the second tab 112d are respectively electrically connected to the electrode assembly.
  • the electrode assembly may be a common structure in the prior art.
  • the electrode assembly includes a positive electrode sheet, a separator film, and a negative electrode sheet.
  • the positive electrode sheet, the separator film and the negative electrode sheet are wound or laminated to form the electrode assembly.
  • the first tab 112c is electrically connected to the positive electrode sheet
  • the second tab 112d is electrically connected to the negative electrode sheet.
  • the circuit board 12 is disposed on the top surface 1113.
  • the circuit board 12 includes a lower surface 121 facing the top surface 1113 and an upper surface 122 facing away from the top surface 1113.
  • the upper surface 122 is provided with a first electrical connector 123 and a second electrical connector 124.
  • the circuit board 12 is provided with a first avoidance slot 13a at a position corresponding to the first tab 112c, and the circuit board 12 is provided with a second avoidance slot 13a at a position corresponding to the second tab 112d 13b.
  • the first tab 112c is bent toward the first avoiding groove 13a, and is electrically connected to the first electrical connector 123.
  • the second tab 112d is bent toward the second avoidance groove 13b, and is electrically connected to the second electrical connector 124.
  • the first avoidance groove 13a and the second avoidance groove 13b are not connected to each other.
  • the first relief groove 13a penetrates the upper surface 122 and the lower surface 121
  • the second relief groove 13b penetrates the upper surface 122 and the lower surface 121 .
  • Embodiment 1.1 referring to FIG. 13, the projections of the first tab 112c and the second tab 112d on the top surface 1113 are all located in the top surface 1113.
  • the top sealing edge 1112 is provided with a first sealing member 113 and a second sealing member 114.
  • the first sealing member 113 is used to isolate the top sealing edge 1112 and the first tab 112c
  • the second sealing member 114 is used to isolate the top sealing edge 1112 and the second tab 112d.
  • the first sealing member 113 is located in the first avoiding groove 13a
  • the second sealing member 114 is located in the second avoiding groove 13b.
  • the projections of the first sealing member 113, the second sealing member 114 and the circuit board 12 on the top surface 1113 do not overlap.
  • the difference between the embodiment 1.2 and the embodiment 1.1 is that the first escape groove 13 a and the second escape groove 13 b in the embodiment 1.2 communicate with each other.
  • a battery pack 20 includes two batteries 10 as described in Example 1.1.
  • the two batteries 10 are stacked.
  • Embodiment 1.4 the difference between Embodiment 1.4 and Embodiment 1.3 is that the two batteries 10 in Embodiment 1.4 are arranged vertically.
  • a battery pack 20 includes two batteries 10 as described in Embodiment 1.2.
  • the two batteries 10 are stacked.
  • Embodiment 1.6 differs from Embodiment 1.5 in that the two batteries 10 in Embodiment 1.6 are arranged vertically.
  • the present application also provides a battery pack 300.
  • the battery pack 300 includes a circuit board 310 and a plurality of the battery cells 11 arranged horizontally. Please refer to FIG. 21 together.
  • the circuit board 310 is disposed on a surface formed by the top surface 1113 of the plurality of cells 11 arranged horizontally.
  • the circuit board 310 is provided with an escape slot 32 corresponding to the position of the tab 112 of each battery core 11.
  • the tab 112 is bent toward the avoiding groove 13 and is electrically connected to the circuit board 310.
  • the projections of the tab 112 on each battery cell 11 on the top surface 1113 of the battery cell 11 where it is located are all located in the top surface 1113.
  • first sealing member 113 and the second sealing member 114 in each top sealing edge 1112 are respectively located in the corresponding escape groove 32.
  • the avoidance groove 32 penetrates the circuit board 310.
  • the surface of the circuit board 310 facing away from the battery core 11 is provided with an electrical connector 33 a.
  • the electrical connector 33a is electrically connected to the tab 112.
  • an external component 34 is also provided on the circuit board 310.
  • the external component 34 is electrically connected to the circuit board 310.
  • the external part 34 is not limited to a flexible circuit board or a terminal wire.
  • the battery pack 300 includes the circuit board 310 and two battery cells 11.
  • the two batteries 11 are arranged horizontally.
  • the present application also provides an electronic device 100a.
  • the electronic device 100a includes the battery 10 described above.
  • the electronic device 100a may be a mobile electronic device, an energy storage device, an electric vehicle, a hybrid electric vehicle, and the like.
  • the mobile electronic device may be a mobile phone, a wearable electronic device, a tablet computer, a notebook computer, and the like.
  • the present application also discloses a battery 10a.
  • the battery 10a includes a battery core 11 and tabs 12a electrically connected to the battery core 11.
  • the battery cell 11 includes a packaging bag 111.
  • the packaging bag 111 includes a main body 112a and a top seal 113a.
  • the main body 112a includes a top surface 1121.
  • the top sealing portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121.
  • the tab 12a extends from the top seal portion 113a.
  • the battery 10a further includes an insulating member 130.
  • the insulating member 130 includes a built-in portion 131 located in the top seal portion 113a, and an extension portion 132 extending to the outside of the top seal portion 113a.
  • the tab 12a passes through the insulating member 130 to be isolated from the top seal portion 113a.
  • the extension portion 132 is connected to the built-in portion 131 and is bent toward the top seal portion 113a.
  • the extension portion 132 includes two corner portions 1321 respectively located on two sides of the tab 12a.
  • a notch structure 1322 is provided on the two corner portions 1321.
  • the design of the notch structure 1322 in this application avoids the problem that the extension portion 132 protrudes relative to the battery 10a after bending, improves the space utilization of the battery 10a in the thickness direction (that is, the X-axis direction), and saves This reduces the packaging space of the battery 10a, thereby providing more space for the battery core 11, thereby achieving the purpose of increasing the battery capacity.
  • the insulating member 130 is lug glue.
  • the extension portion 132 is formed by cutting the corner portion 1321 or folding the corner portion 1321 to form the notch structure 1322.
  • the intersection line 133 of the notch structure 1322 and the extension portion 132 is an arc, an oblique line or a polyline.
  • the notch structure 1322 and the side 1323 of the extension portion 132 intersect at point A, and the notch structure 1322 and the top edge of the extension portion 132 1324 intersects at point B.
  • the angle ⁇ formed by the line between the point A and the point B and the side 1323 of the extension portion 132 satisfies: 110° ⁇ 160°.
  • the distance D from the intersection point C of the tab 12a and the extension portion 132 to the point B is 0.1 mm-1 mm.
  • the top seal portion 113a includes two oppositely disposed first and second seal portions 1131 and 1132, and connected to the first and second seal portions 1131 and 1132. Between the third sealing portion 1133. The first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133. The third sealing portion 1133 is folded toward the top surface 1121. The built-in portion 131 is located in the third sealing portion 1133.
  • the battery 10a further includes a circuit board 14 electrically connected to the tab 12a.
  • the circuit board 14 is disposed on a surface formed by a part of the top surface 1121 and a part of the top seal portion 113a.
  • the circuit board 14 includes a flexible circuit board 141 and a reinforcing plate 142 disposed on the flexible circuit board 141 facing the top surface 1121.
  • the reinforcing plate 142 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121.
  • the reinforcing plate 142 includes a first surface 1421 facing the first sealing portion 1131 and a second surface 1422 facing the second sealing portion 1132.
  • the first surface 1421 is recessed inward to form a first receiving space 1423.
  • the second surface 1422 is recessed inward to form a second receiving space 1424. Part of the first sealing portion 1131 is accommodated in the first accommodating space 1423, and part of the second sealing portion 1132 is accommodated in the second accommodating space 1424.
  • step recessed treatment is performed on both ends of the reinforcing plate 142 to create a first sealing portion 1131 for the first sealing portion 1131 and the second sealing portion 1132.
  • the accommodating space 1423 and the second accommodating space 1424 for accommodating the second sealing portion 1132 greatly increase the space utilization of the battery 10a in the longitudinal direction (ie, the Y-axis direction) and increase the battery capacity.
  • a battery 10 a includes a battery core 11, tabs 12 a electrically connected to the battery core 11, and an insulating member 130.
  • the battery cell 11 includes a packaging bag 111.
  • the packaging bag 111 includes a main body 112a and a top seal 113a.
  • the main body 112 a includes a top surface 1121.
  • the main body 112a has a rectangular parallelepiped structure.
  • the main body 112a may also have a regular structure such as a columnar shape or other irregular structures.
  • the top seal portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121. Wherein, the tab 12a extends from the top seal portion 113a.
  • the insulating member 130 includes a built-in portion 131 located in the top sealing portion 113a, and an extension portion 132 extending to the outside of the top sealing portion 113a.
  • the tab 12a passes through the insulating member 130 to be isolated from the top seal portion 113a.
  • the extension portion 132 is connected to the built-in portion 131 and is bent toward the top seal portion 113a.
  • the extension portion 132 includes two corner portions 1321 respectively located on two sides of the tab 12a.
  • a notch structure 1322 is provided on the two corner portions 1321.
  • the extension portion 132 is formed by cutting the corner portion 1321.
  • the intersection line 133 of the notch structure 1322 and the extension portion 132 is oblique.
  • intersection line 133 of the notch structure 1322 and the extension portion 132 is an arc or a polyline.
  • the notch structure 1322 and the side 1323 of the extension portion 132 intersect at a point A, and the notch structure 1322 and the top edge 1324 of the extension portion 132 intersect at a point B.
  • the angle ⁇ formed by the line between the point A and the point B and the side 1323 of the extension portion 132 satisfies: 110° ⁇ 160°.
  • the distance D from the intersection point C of the tab 12a and the extension portion 132 to the point B is 0.1 mm-1 mm.
  • the battery 10 a further includes a circuit board 14.
  • the circuit board 14 is disposed on a surface formed by a part of the top surface 1121 and a part of the top seal portion 113a.
  • an electrical connector 143 is provided on the surface of the circuit board 14 facing away from the battery core 11.
  • the electrical connector 143 is electrically connected to the tab 12a.
  • Embodiment 2.2 differs from Embodiment 2.1 in that the notch structure 1322 in Embodiment 2.2 is formed by folding the corner portion 1321.
  • Embodiment 2.3 The difference between Embodiment 2.3 and Embodiment 2.1 lies in the circuit board 14.
  • the circuit board 14 includes a flexible circuit board 141 and a reinforcing plate 142 disposed on the flexible circuit board 141 facing the top surface 1121.
  • the reinforcing plate 142 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121.
  • the reinforcing plate 142 includes a first surface 1421 facing the first sealing portion 1131 and a second surface 1422 facing the second sealing portion 1132.
  • the first surface 1421 is recessed inward to form a first receiving space 1423.
  • the second surface 1422 is recessed inward to form a second receiving space 1424. Part of the first sealing portion 1131 is accommodated in the first accommodating space 1423, and part of the second sealing portion 1132 is accommodated in the second accommodating space 1424.
  • the embodiment of the present application also provides an electronic device 100b.
  • the electronic device 100b includes the battery 10a described above.
  • the electronic device 100b may be a mobile electronic device, an energy storage device, an electric vehicle, a hybrid electric vehicle, and the like.
  • the mobile electronic device may be a mobile phone, a wearable electronic device, a tablet computer, a notebook computer, and the like.
  • the battery 10 c includes a battery cell 11.
  • the battery cell 11 includes a packaging bag 111.
  • the packaging bag 111 includes a main body 112a, a top sealing part 113a, and at least one side sealing part 114a.
  • the main body 112a includes a top surface 1121, a bottom surface 1122 facing away from the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122.
  • the top seal portion 113 a extends from the top surface 1121.
  • the side sealing portion 114a extends from the side surface 1123 and extends outward in the length direction of the battery 10c (that is, the X-axis direction) to connect to the top sealing portion 113a.
  • a first notch 115 is provided at the intersection of the top seal portion 113a and the side seal portion 114a.
  • the side sealing portion 114a is folded toward the side surface 1123 along the connecting edge 116 where the side sealing portion 114a and the main body 112a intersect.
  • the intersection of the top seal portion 113a and the side seal portion 114a and the top seal portion 113a are folded toward the top surface 1121, and the top seal portion 113a is on the plane where the top surface 1121 of the battery 10c is located.
  • the projections on are all located within the range of the top surface 1121.
  • the first notch 115 is not limited to a regular shape such as an arc, a triangle, a trapezoid, a rectangle, or other irregular shapes.
  • a first notch 115 is provided at the intersection of the top seal portion 113a and the side seal portion 114a to prevent the folded top seal portion 113a and the side seal portion 114a from protruding relative to the battery 10c, thereby saving The packaging space of the battery 10c. In this way, when the battery 10c is applied to the electronic device 100c (refer to FIG.
  • the battery 10c of the present application is sealed in the top
  • the portion 113a and the side seal portion 114a will not protrude relative to the battery 10c after being folded, which facilitates the installation of the battery 10c, reduces the space occupancy rate of the battery 10c in the battery compartment, and improves the battery 10c.
  • the space utilization rate of the warehouse is the most efficient way to store the battery 10c.
  • the Y-axis direction is perpendicular to the X-axis direction.
  • the side sealing portion 114 a includes a corner portion 1141 close to the first notch 115. Wherein, the corner portion 1141 is folded toward the top seal portion 113a; or, the corner portion 1141 is provided with a second notch 1142.
  • the second notch 1142 is not limited to a regular shape such as a triangle, an arc, a trapezoid, a rectangle, or other irregular shapes.
  • the packaging bag 111 includes two side seals 114a.
  • the two side seal portions 114a are arranged opposite to each other.
  • the packaging bag 111 includes a side seal 114a.
  • the battery cell 11 further includes an electrode assembly 117 and a tab 118.
  • the electrode assembly 117 is housed in the main body 112a.
  • the tab 118 is electrically connected to the electrode assembly 117 and extends from the top seal portion 113a.
  • the battery 10 c further includes a circuit board 12.
  • the circuit board 12 is disposed on the top surface 1121 and is electrically connected to the tab 118.
  • the surface of the circuit board 12 opposite to the top surface 1121 is provided with an electrical connector 13c.
  • the electrical connector 13c is electrically connected to the tab 118.
  • the battery 10c includes a battery cell 11.
  • the battery cell 11 includes a packaging bag 111.
  • the packaging bag 111 includes a main body 112a, a top seal 113a, and two side seals 114a arranged opposite to each other.
  • the main body portion 112 a includes a top surface 1121, a bottom surface 1122 opposite to the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122.
  • the main body 112a has a substantially rectangular parallelepiped structure.
  • the main body 112a has a regular structure such as a columnar shape or other irregular structures.
  • the top seal portion 113 a extends from the top surface 1121.
  • Each side sealing portion 114a extends from the side surface 1123 and extends outward in the length direction of the battery 10c to connect to the top sealing portion 113a.
  • a first notch 115 is provided at the intersection of the top seal portion 113a and the side seal portion 114a.
  • the side sealing portion 114a is folded toward the side surface 1123 along the connecting edge 116 where the side sealing portion 114a and the main body 112a intersect.
  • the intersection of the top seal portion 113a and the side seal portion 114a and the top seal portion 113a is folded toward the top surface 1121, and the projection of the top seal portion 113a in the length direction of the battery 10c is all located Within the range of the top surface 1121.
  • the first notch 115 is arc-shaped.
  • the battery cell 11 further includes an electrode assembly 117 and two tabs 118.
  • the electrode assembly 117 is housed in the main body 112a.
  • the two tabs 118 are electrically connected to the electrode assembly 117 and extend from the top seal portion 113a.
  • the battery cell 11 also includes an electrolyte (not shown in the figure).
  • the electrolyte is contained in the main body 112a.
  • the electrode assembly 117 may be a common structure in the prior art.
  • the electrode assembly 117 includes a positive electrode sheet 1171, a separator film 1172 and a negative electrode sheet 1173.
  • the positive electrode sheet 1171, the separator film 1172, and the negative electrode sheet 1173 are wound or laminated to form the electrode assembly 117.
  • one of the tabs 118 is electrically connected to the positive electrode sheet 1171, and the other of the tabs 118 is electrically connected to the negative electrode sheet 1173.
  • the battery 10c also includes a circuit board 12.
  • the surface of the circuit board 12 opposite to the top surface 1121 is provided with two electrical connectors 13c.
  • the circuit board 12 is disposed on the top surface 1121, and the two electrical connectors 13c are electrically connected to the corresponding tabs 118.
  • the first notch 115 is triangular.
  • Embodiment 3.3 The difference between Embodiment 3.3 and Embodiment 3.1 lies in the shape of the first notch 115.
  • the first notch 115 is rectangular.
  • the side sealing portion 114 a includes a corner portion 1141 close to the first notch 115.
  • the corner portion 1141 is provided with a second notch 1142.
  • Example 3.4 the second notch 1142 is triangular.
  • the second notch 1142 is not limited to a regular shape such as an arc, a trapezoid, a rectangle, or other irregular shapes.
  • Embodiment 3.4 by opening the second notch 1142 on the corner portion 1141, it is avoided that the corner portion 1141 of the side seal portion 114a is overlapped with the circuit board 12, resulting in the battery 10c being in the longitudinal direction. Due to the problem of waste of space, the space utilization rate of the battery 10c in the length direction is improved, and the battery capacity is improved.
  • the side sealing portion 114 a includes a corner portion 1141 close to the first notch 115. Wherein, the corner portion 1141 is folded toward the top seal portion 113a.
  • Embodiment 3.5 by folding the corner portion 1141, the corner portion 1141 of the side sealing portion 114a and the circuit board 12 are overlapped, which causes the waste of space in the length direction of the battery 10c, thereby avoiding the problem of waste of space in the length direction of the battery 10c.
  • the space utilization rate of the battery 10c in the length direction is improved, and the battery capacity is improved.
  • the embodiment of the present application also provides an electronic device 100c.
  • the electronic device 100c includes the battery 10c described above.
  • the electronic device 100c may be a mobile electronic device, an energy storage device, an electric vehicle, a hybrid electric vehicle, and the like.
  • the mobile electronic device may be a mobile phone, a wearable electronic device, a tablet computer, a notebook computer, and the like.
  • the battery 10d includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11. Please refer to FIG. 47 and FIG. 48 together.
  • the battery cell 11 includes a packaging bag 111.
  • the packaging bag 111 includes a main body 112a and a top seal 113a.
  • the main body 112a includes a top surface 1121.
  • the top sealing portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121.
  • the top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132.
  • the first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133.
  • the circuit board 12 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121.
  • the circuit board 12 includes a flexible circuit board 126 and a reinforcing plate 127 disposed on the side of the flexible circuit board 126 facing the top surface 1121.
  • the projections of the first sealing portion 1131, the second sealing portion 1132, and the reinforcing plate 127 on the plane where the top surface of the battery 10d is located do not overlap.
  • the length direction of the battery 10d is the X-axis direction
  • the thickness direction of the battery 10d is the Y-axis direction.
  • the Y-axis direction is perpendicular to the X-axis direction.
  • the structure of the reinforcing plate 127 is changed to cooperate with the first sealing portion 1131 and the second sealing portion 1132, so as to prevent the first sealing portion 1131 and the second sealing portion 1132 from interacting with each other.
  • the overlapping arrangement of the circuit boards 12 causes the problem of wasting space in the length direction of the battery 10d (that is, the X-axis direction), which improves the space utilization of the battery 10d in the length direction, thereby achieving an increase in battery capacity the goal of.
  • an electrical connector 121 a is provided on the surface of the circuit board 12 facing away from the battery core 11.
  • the electrical connector 121a is electrically connected to the battery core 11.
  • a battery 10d includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11.
  • the battery cell 11 includes a packaging bag 111.
  • the packaging bag 111 includes a main body 112a and a top seal 113a.
  • the main body 112a includes a top surface 1121, a bottom surface 1122 facing away from the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122.
  • the main body 112a has a rectangular parallelepiped structure. In other embodiments, the main body 112a is not limited to a rectangular parallelepiped structure, and may also be a columnar structure.
  • the top seal portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121.
  • the top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132.
  • the first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133.
  • the circuit board 12 includes a flexible circuit board 126 and a reinforcing plate disposed on the side of the flexible circuit board 126 facing the top surface 1121 127.
  • the reinforcing plate 127 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121.
  • the flexible circuit board 126 includes a first end 1261 facing the first sealing portion 1131 and a second end 1262 facing the second sealing portion 1132.
  • the first end 1261 protrudes relative to the reinforcing plate 127 to form a first accommodating space together with the reinforcing plate 127 1263.
  • the second end portion 1262 protrudes relative to the reinforcing plate 127 to form a second accommodating space 1264 together with the reinforcing plate 127.
  • Part of the first sealing portion 1131 is accommodated in the first accommodating space 1263, and part of the second sealing portion 1132 is accommodated in the second accommodating space 1264.
  • the projections of the first sealing portion 1131, the second sealing portion 1132, and the reinforcing plate 127 on the plane where the top surface 1121 of the battery 10d is located do not overlap.
  • the Z-axis direction is perpendicular to the X-axis direction and the Y-axis direction.
  • a first sealing portion 1131 is created for the first sealing portion 1131 and the second sealing portion 1132.
  • the accommodating space 1263 and the second accommodating space 1264 for accommodating the second sealing portion 1132 greatly improve the space utilization of the battery 10d in the length direction, thereby achieving the purpose of increasing the battery capacity.
  • the packaging bag 111 further includes two side seals 114a arranged opposite to each other.
  • the two side sealing portions 114a both extend from the side surface 1123, and are connected to the first sealing portion 1131 and the second sealing portion 1132, respectively.
  • the two side sealing portions 114a are respectively folded toward the side surface 1123.
  • at least one of the two side seal portions 114a can be omitted.
  • the surface of the flexible circuit board 126 facing away from the reinforcing plate 127 is provided with two electrical connectors 121a.
  • the cell 11 further includes a first tab 115a and a second tab 116a with a different polarity from the first tab 115a.
  • the first tab 115a and the second tab 116a extend from the third sealing portion 1133, and are electrically connected to the two electrical connectors 121a, respectively.
  • the cell 11 further includes an electrode assembly (not shown in the figure) and an electrolyte (not shown in the figure).
  • the electrode assembly and the electrolyte are contained in the main body 112a.
  • the electrode assembly may be a common structure in the prior art.
  • the electrode assembly includes a positive electrode sheet, a separator film, and a negative electrode sheet.
  • the positive electrode sheet, the separator film and the negative electrode sheet are wound or laminated to form the electrode assembly.
  • the first tab 115a is electrically connected to the positive electrode sheet
  • the second tab 116a is electrically connected to the negative electrode sheet.
  • the circuit board 12 further includes an external component 128.
  • the external component 128 is electrically connected to the flexible circuit board 126.
  • the external component 128 is a terminal wire, a golden finger or a connector.
  • the battery 20a includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11.
  • the battery cell 11 includes a packaging bag 111.
  • the packaging bag 111 includes a main body 112a and a top seal 113a.
  • the main body 112a includes a top surface 1121.
  • the top sealing portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121.
  • the top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132.
  • the first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133.
  • the circuit board 12 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121. Wherein, the projections of the first sealing portion 1131, the second sealing portion 1132 and the circuit board 12 on the plane where the top surface 1121 is located do not overlap (see Figure 53, Figure 55, Figure 56, Figure 57 and Figures 58).
  • the projections of the first sealing portion 1131, the second sealing portion 1132, and the circuit board 12 on the plane where the top surface 1121 is located are not overlapped to avoid the first sealing portion 1131 and the second sealing portion 1131.
  • the overlapping arrangement of the second sealing portion 1132 and the circuit board 12 causes the problem of wasting space in the length direction (that is, the X-axis direction) of the battery 20a, which improves the space utilization rate of the battery 10d in the length direction. In turn, the purpose of increasing the battery capacity is achieved.
  • an electrical connector 121 a is provided on the surface of the circuit board 12 facing away from the battery core 11.
  • the electrical connector 121a is electrically connected to the battery core 11.
  • a battery 20 a includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11.
  • the battery cell 11 includes a packaging bag 111.
  • the packaging bag 111 includes a main body 112a and a top seal 113a.
  • the main body 112a includes a top surface 1121, a bottom surface 1122 facing away from the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122.
  • the main body 112a has a rectangular parallelepiped structure. In other embodiments, the main body 112a is not limited to a rectangular parallelepiped structure, and may also be a columnar structure.
  • the top seal portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121.
  • the top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132.
  • the first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133.
  • the circuit board 12 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121.
  • the first sealing portion 1131 is provided with a first notch 1134 opposite to the circuit board 12, and the second sealing portion 1132 is provided with The second gap 1135 opposite to the circuit board 12. At this time, the projections of the first sealing portion 1131, the second sealing portion 1132, and the circuit board 12 on the plane where the top surface 1121 is located do not overlap.
  • a first gap 1134 opposite to the circuit board 12 is opened on the first sealing portion 1131, and the second sealing portion 1132 is opened with
  • the design of the second notch 1135 opposite to the circuit board 12 is designed to avoid the overlapping arrangement of the first sealing portion 1131 and the second sealing portion 1132 with the circuit board 12, resulting in the battery 20a in the longitudinal direction.
  • the problem of space waste improves the space utilization of the battery 20a in the length direction, thereby achieving the purpose of increasing the battery capacity.
  • the packaging bag 111 further includes two side sealing portions 114a arranged opposite to each other.
  • the two side sealing portions 114a both extend from the side surface 1123, and are connected to the first sealing portion 1131 and the second sealing portion 1132, respectively.
  • the two side sealing portions 114a are respectively folded toward the side surface 1123.
  • at least one of the two side seal portions 114a can be omitted.
  • the surface of the circuit board 12 facing away from the battery core 11 is provided with two electrical connectors 121 a.
  • the cell 11 further includes a first tab 115a and a second tab 116a with a different polarity from the first tab 115a.
  • the first tab 115a and the second tab 116a extend from the third sealing portion 1133, and are electrically connected to the two electrical connectors 121a, respectively.
  • the cell 11 further includes an electrode assembly (not shown in the figure) and an electrolyte (not shown in the figure).
  • the electrode assembly and the electrolyte are contained in the main body 112a.
  • the electrode assembly may be a common structure in the prior art.
  • the electrode assembly includes a positive electrode sheet, a separator film, and a negative electrode sheet.
  • the positive electrode sheet, the separator film and the negative electrode sheet are wound or laminated to form the electrode assembly.
  • the first tab 115a is electrically connected to the positive electrode sheet
  • the second tab 116a is electrically connected to the negative electrode sheet.
  • Embodiment 4.3 The difference between Embodiment 4.3 and Embodiment 4.2 lies in the structure of the first sealing portion 1131 and the second sealing portion 1132. That is, the first sealing portion 1131 in the embodiment 4.3 does not have the first gap 1134 in the embodiment 4.2, and the second sealing portion 1132 in the embodiment 4.3 does not have the second gap 1135 in the embodiment 4.2.
  • the first sealing portion 1131 includes a first corner portion 1136 opposite to the circuit board 12.
  • the second sealing portion 1132 includes a second corner portion 1137 opposite to the circuit board 12.
  • the first corner portion 1136 is provided with a first crease 1138, and the second corner portion 1137 is provided with a second crease 1139.
  • the first corner portion 1136 is folded along the first crease 1138, and the second corner portion 1137 is folded along the second crease 1139.
  • the first sealing portion 1131 The projections of the second sealing portion 1132 and the circuit board 12 on the plane where the top surface 1121 is located do not overlap.
  • the design of folding the first corner portion 1136 and the second corner portion 1137 is used to avoid the overlapping arrangement of the first sealing portion 1131 and the second sealing portion 1132 with the circuit board 12. This leads to the problem of wasting space in the length direction of the battery 20a, thereby improving the space utilization rate of the battery 20a in the length direction, thereby achieving the purpose of increasing the battery capacity.
  • a battery 20 a includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11.
  • the battery cell 11 includes a packaging bag 111.
  • the packaging bag 111 includes a main body 112a and a top seal 113a.
  • the main body 112a includes a top surface 1121, a bottom surface 1122 facing away from the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122.
  • the main body 112a has a rectangular parallelepiped structure. In other embodiments, the main body 112a is not limited to a rectangular parallelepiped structure, and may also be a columnar structure.
  • the top seal portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121.
  • the top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132.
  • the first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133.
  • the circuit board 12 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121.
  • the circuit board 12 includes a first side 122a, a second side 123a facing away from the first side 122a, a third side 124a, and a second side facing away from the third side 124a.
  • Four sides 125a The first side surface 122a and the second side surface 123a are connected between the third side surface 124a and the fourth side surface 125a, respectively.
  • the first side surface 122a is provided with a third gap 1221
  • the second side surface 123a is provided with a fourth gap 1231.
  • Part of the first sealing portion 1131 is correspondingly received in the third notch 1221, and part of the second sealing portion 1132 is correspondingly received in the fourth notch 1231.
  • the projections of the first sealing portion 1131, the second sealing portion 1132, and the circuit board 12 on the plane where the top surface 1121 is located do not overlap.
  • an avoidance design is made in the overlapping area of the circuit board 12 and the first sealing portion 1131 and the second sealing portion 1132 (that is, the first gap 1134 and the first gap 1134 are opened on the circuit board 12).
  • the third gap 1221 is triangular
  • the fourth gap 1231 is triangular.
  • the third notch 1221 is arc-shaped, and the fourth notch 1231 is arc-shaped.
  • the third gap 1221 is semicircular, hexagonal or octagonal
  • the fourth gap 1231 is semicircular, hexagonal or octagonal.
  • the packaging bag 111 further includes two side sealing portions 114a arranged opposite to each other.
  • the two side sealing portions 114a both extend from the side surface 1123, and are connected to the first sealing portion 1131 and the second sealing portion 1132, respectively.
  • the two side sealing portions 114a are respectively folded toward the side surface 1123.
  • at least one of the two side seal portions 114a can be omitted.
  • the circuit board 12 is provided with two electrical connectors 121 a on the surface of the circuit board 12 facing away from the battery core 11.
  • the cell 11 further includes a first tab 115a and a second tab 116a with a different polarity from the first tab 115a.
  • the first tab 115a and the second tab 116a extend from the third sealing portion 1133, and are electrically connected to the two electrical connectors 121a, respectively.
  • the cell 11 further includes an electrode assembly (not shown in the figure) and an electrolyte (not shown in the figure).
  • the electrode assembly and the electrolyte are contained in the main body 112a.
  • the electrode assembly may be a common structure in the prior art.
  • the electrode assembly includes a positive electrode sheet, a separator film, and a negative electrode sheet.
  • the positive electrode sheet, the separator film and the negative electrode sheet are wound or laminated to form the electrode assembly.
  • the first tab 115a is electrically connected to the positive electrode sheet
  • the second tab 116a is electrically connected to the negative electrode sheet.
  • the difference between embodiment 4.5 and embodiment 4.4 is that the third gap 1221 in embodiment 4.5 is opened at the junction of the third side surface 124a and the first side surface 122a.
  • the fourth gap 1231 is opened at the junction of the third side surface 124a and the second side surface 123a.
  • the third gap 1221 is triangular
  • the fourth gap 1231 is triangular.
  • the third notch 1221 is arc-shaped, and the fourth notch 1231 is arc-shaped.
  • the third gap 1221 is semicircular, hexagonal or octagonal
  • the fourth gap 1231 is semicircular, hexagonal or octagonal.
  • the embodiment of the present application also provides an electronic device 100d.
  • the electronic device 100d includes the aforementioned battery 10d/20a.
  • the electronic device 100d may be a mobile electronic device, an energy storage device, an electric vehicle, a hybrid electric vehicle, and the like.
  • the mobile electronic device may be a mobile phone, a wearable electronic device, a tablet computer, a notebook computer, and the like.

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Abstract

A battery assembly, comprising a core main body, a packaging film and tabs. The packaging film comprises a main body portion, a top sealing edge and a side sealing edge. The main body portion covers the core main body, and the main body portion comprises a first surface, a second surface, a top wall and a side wall, the first surface and the second surface being opposingly arranged, the top wall connecting the first surface and the second surface, the side wall connecting the first surface, the second surface and the top wall. The top sealing edge is arranged on the top wall and extends towards the first surface. The side sealing edge is arranged on the side wall and extends towards the second surface. Each tab comprises a first end and a second end which are opposingly arranged, the first end being connected to the core main body, the second end being located outside the packaging film. The battery assembly also comprises wires and/or a flexible circuit board soldered to the second ends. The battery assembly facilitates volume reduction. Also provided are a battery, a battery pack and an electronic apparatus.

Description

电池、电池组件、电池组及电子装置Batteries, battery components, battery packs and electronic devices 技术领域Technical field
本申请涉及电池领域，尤其涉及电池、电池组件、电池组及应用所述电池组件或电池的电子装置。This application relates to the field of batteries, in particular to batteries, battery components, battery packs, and electronic devices using the battery components or batteries.
背景技术Background technique
当前，锂离子电池凭借其能量密度高、循环寿命高和无记忆效应等优点，在移动电话、数码摄像机和手提电脑等便携式电子设备上得到了广泛使用。Currently, lithium-ion batteries are widely used in portable electronic devices such as mobile phones, digital video cameras, and laptop computers due to their advantages such as high energy density, high cycle life, and no memory effect.
而随着科技的发展，现有的电池组件如何缩减其体积正面临着挑战。With the development of technology, how to reduce the size of existing battery components is facing a challenge.
发明内容Summary of the invention
鉴于上述情况，有必要提供一种结构简单、有利于体积缩减的电池组件和电池。In view of the above situation, it is necessary to provide a battery assembly and battery with a simple structure and favorable for volume reduction.
还有必要提供一种应用上述电池组件或电池的电子装置。It is also necessary to provide an electronic device using the above-mentioned battery assembly or battery.
作为本申请的一种方案的电池组件，包括电芯主体、封装膜和极耳。所述封装膜包括主体部、顶封边和侧封边。主体部包覆所述电芯主体。所述主体部包括第一表面、第二表面、顶壁及侧壁，所述第一表面与所述第二表面相背设置，所述顶壁连接所述第一表面与所述第二表面，所述侧壁连接所述第一表面、所述第二表面及所述顶壁。顶封边设置于所述顶壁，且朝所述第一表面方向延伸。侧封边设置于所述侧壁，且朝所述第二表面方向延伸。极耳包括相背的第一端及第二端，所述第一端连接所述电芯主体，所述第二端位于所述封装膜外。所述电池组件还包括导线及/或柔性电路板，所述导线及/或所述柔性电路板与所述第二端焊接。As a solution of the present application, the battery assembly includes a battery core body, an encapsulation film, and tabs. The packaging film includes a main body, a top sealing edge and a side sealing edge. The main body part covers the main body of the battery. The main body portion includes a first surface, a second surface, a top wall, and a side wall, the first surface and the second surface are disposed opposite to each other, and the top wall connects the first surface and the second surface , The side wall connects the first surface, the second surface and the top wall. The top sealing edge is arranged on the top wall and extends toward the first surface. The side sealing edge is arranged on the side wall and extends toward the second surface. The tab includes a first end and a second end opposite to each other, the first end is connected to the battery core body, and the second end is located outside the packaging film. The battery assembly further includes a wire and/or a flexible circuit board, and the wire and/or the flexible circuit board is welded to the second end.
作为本申请的一种方案，所述顶封边位于所述第一表面与所述第二表面之间。As a solution of the present application, the top sealing edge is located between the first surface and the second surface.
作为本申请的一种方案，所述侧封边位于所述第一表面与所述第二表面之间。As a solution of the present application, the side sealing edge is located between the first surface and the second surface.
作为本申请的一种方案，所述极耳位于所述第一表面与所述第二表面之间。As a solution of the present application, the tab is located between the first surface and the second surface.
作为本申请的一种方案，一种电子装置，包括如上所述的电池组件。As a solution of the present application, an electronic device includes the battery assembly described above.
本申请的上述电池组件结构简单，所述顶封边与所述侧封边朝相反的方向延伸，使得所述电池组件中连接部堆叠的厚度降低，从而降低了所述电池组件的体积，同时也减小了折边应力，减少了连接部折边破损的概率。所述电池组件中的极耳上焊接导线及/或柔性电路板，便于灵活地连接外接电子元件，从而有利于电池组件体积的缩减。进一步地，所述顶封边、所述侧封边及/或所述极耳位于所述第一表面与所述第二表面之间，能够进一步减小所述电池组件的体积。The above-mentioned battery assembly of the present application has a simple structure, and the top sealing edge and the side sealing edge extend in opposite directions, so that the thickness of the connecting portion stack in the battery assembly is reduced, thereby reducing the volume of the battery assembly, and at the same time It also reduces the folding stress and reduces the probability of damage to the connecting part. Wires and/or flexible circuit boards are welded on the tabs of the battery assembly to facilitate flexible connection of external electronic components, thereby facilitating the reduction of the volume of the battery assembly. Further, the top sealing edge, the side sealing edge and/or the tabs are located between the first surface and the second surface, which can further reduce the volume of the battery assembly.
作为本申请的另一种方案的电池，包括电芯及电路板。所述电芯包括包装袋和极耳。所述包装袋包括主体部及顶封边，所述主体部包括顶面，所述顶封边由所述顶面延伸出，所述顶封边朝所述主体部方向弯折，并覆盖部分所述顶面。所述极耳由所述顶封边内延伸出。所述电路板设置于所述顶面。所述电路板对应所述极耳的位置设有避空槽，所述极耳朝所述避空槽方向弯折，并电连接所述电路板。As another solution of the present application, the battery includes a battery cell and a circuit board. The battery cell includes a packaging bag and a tab. The packaging bag includes a main body and a top sealing edge, the main body includes a top surface, the top sealing edge extends from the top surface, and the top sealing edge is bent toward the main body and covers a portion The top surface. The tabs extend from the top sealing edge. The circuit board is arranged on the top surface. The circuit board is provided with an avoidance groove at a position corresponding to the tab, and the tab is bent toward the avoidance slot and is electrically connected to the circuit board.
作为本申请的一种方案，所述电路板包括朝向所述顶面的下表面以及背离所述顶面的上表面；所述避空槽贯穿所述上表面和所述下表面，所述极耳与所述电路板电连接于所述上表面。As a solution of the present application, the circuit board includes a lower surface facing the top surface and an upper surface facing away from the top surface; the escape groove penetrates the upper surface and the lower surface, and the pole The ear and the circuit board are electrically connected to the upper surface.
作为本申请的一种方案，所述极耳在所述顶面的投影全部位于所述顶面内。As a solution of the present application, the projections of the tabs on the top surface are all located in the top surface.
作为本申请的一种方案，所述电芯包括两所述极耳，所述电路板对应每一所述极耳的位置设有一所述避空槽。As a solution of the present application, the battery cell includes two tabs, and the circuit board is provided with a avoidance slot at a position corresponding to each tab.
作为本申请的一种方案，两所述避空槽彼此连通。As a solution of the present application, the two avoidance slots are in communication with each other.
作为本申请的一种方案，所述顶封边内设置有第一密封件和第二密封件，所述第一密封件用于隔离所述顶封边与其中一所述极耳，所述第二密封件用于隔离所述顶封边与另一所述极耳，所述第一密封件位于其中一所述避空槽，所述第二密封件位于另一所述避空槽，其中，所述第一密封件、所述第二密封件和所述电路板在所述顶面的投影不重叠。As a solution of the present application, a first sealing member and a second sealing member are arranged in the top sealing edge, and the first sealing member is used to isolate the top sealing edge from one of the tabs, and The second sealing element is used to isolate the top sealing edge from the other tab, the first sealing element is located in one of the avoiding grooves, and the second sealing element is located in the other avoiding groove, Wherein, the projections of the first sealing member, the second sealing member and the circuit board on the top surface do not overlap.
作为本申请的一种方案的电池组，包括电路板以及多个水平排列的电芯。每一所述电芯包括包装袋及极耳。所述包装袋包括主体部及顶封边，所述主体部包括顶面，所述顶封边由所述顶面延伸出，所述顶封边朝所述主体部方向弯折，并覆盖部分所述顶面。所述极耳由所述顶封边内延伸出；所述电路板设置于由所述多个水平排列的电芯的顶面所构成的表面上。所述电路板对应每一所述电芯的极耳的位置设有避空槽，所述极耳朝所述避空槽方向弯折，并电连接所述电路板。The battery pack as a solution of the present application includes a circuit board and a plurality of cells arranged horizontally. Each of the batteries includes a packaging bag and a tab. The packaging bag includes a main body and a top sealing edge, the main body includes a top surface, the top sealing edge extends from the top surface, and the top sealing edge is bent toward the main body and covers a portion The top surface. The tabs extend from the top sealing edge; the circuit board is arranged on a surface formed by the top surfaces of the plurality of horizontally arranged electric cores. The circuit board is provided with an avoidance groove at a position corresponding to the tab of each battery core, and the tab is bent toward the avoidance slot and is electrically connected to the circuit board.
作为本申请的一种方案，每一所述电芯上的极耳在其所在电芯的顶面的投影全部位于所述顶面内。As a solution of the present application, the projections of the tabs on each battery cell on the top surface of the battery cell are all located in the top surface.
作为本申请的一种方案的电子装置，包括如上述所述的电池。The electronic device as a solution of the present application includes the battery as described above.
作为本申请的一种方案的电池组，所述电池组包括多个如上述所述的电池，多个所述电池竖直排列或堆叠设置。As a battery pack of a solution of the present application, the battery pack includes a plurality of batteries as described above, and the plurality of batteries are arranged vertically or stacked.
本申请中的上述电池，利用所述避空槽的设计，为所述极耳提供了弯折空间，避免弯折区域的部分所述极耳相对所述电芯凸出，以提高所述电池在厚度方向上的空间利用率，节省电池的封装空间，从而为电芯提供更多的空间，进而达到提升电池容量的目的。The above-mentioned battery in this application utilizes the design of the avoidance groove to provide bending space for the tabs, avoiding part of the tabs in the bending area from protruding relative to the battery core, so as to improve the battery The space utilization rate in the thickness direction saves the packaging space of the battery, thereby providing more space for the battery core, thereby achieving the purpose of increasing the battery capacity.
作为本申请的又一种方案的电池，包括电芯及电连接于所述电芯的极耳。所述电芯包括包装袋，所述包装袋包括主体部和顶封部，所述主体部包括顶面，所述顶封部由所述顶面延伸出，并朝所述顶面折叠，所述极耳由所述顶封部内延伸出。所述电池还包括绝缘件，所述绝缘件包括位于所述顶封部内的内置部以及延伸至所述顶封部外的外延部，所述极耳穿设于所述绝缘件以与所述顶封部隔离，所述外延部连接所述内置部，并朝所述顶封部弯折。所述外延部包括两分别位于所述极耳两侧的边角部，两所述边角部上均设有缺口结构。As another solution of the present application, the battery includes a battery core and tabs electrically connected to the battery core. The battery cell includes a packaging bag, the packaging bag includes a main body portion and a top seal portion, the main body portion includes a top surface, the top seal portion extends from the top surface and is folded toward the top surface, so The tabs extend from the top seal part. The battery further includes an insulating member, the insulating member including a built-in part located in the top sealing part and an extension part extending outside the top sealing part, and the tabs are penetrated through the insulating part to communicate with the The top seal part is isolated, and the extension part is connected to the built-in part and is bent toward the top seal part. The extension portion includes two corner portions respectively located on both sides of the tab, and both of the corner portions are provided with a notch structure.
作为本申请的一种方案，所述外延部通过裁切所述边角部或者通过折叠所述边角部形成所述缺口结构。As a solution of the present application, the extended portion forms the notch structure by cutting the corner portion or folding the corner portion.
作为本申请的一种方案，所述缺口结构与所述外延部的相交线呈弧线、斜线或多段线。As a solution of the present application, the intersection line between the notch structure and the extension part is an arc, a diagonal line or a polyline.
作为本申请的一种方案，所述缺口结构与所述外延部的侧边相交于点A，所述缺口结构与所述外延部的顶边相交于点B，所述点A与所述点B的连线与所述外延部的侧边所形成的夹角α满足：110°≤α≤160°。As a solution of the present application, the notch structure and the side edge of the extension part intersect at a point A, the notch structure and the top edge of the extension part intersect at a point B, and the point A and the point The angle α formed by the connecting line of B and the side of the extension part satisfies: 110°≤α≤160°.
作为本申请的一种方案，所述极耳和所述外延部的交汇点C至所述点B的间距D为0.1mm-1mm。As a solution of the present application, the distance D from the intersection point C of the tab and the extension part to the point B is 0.1 mm-1 mm.
作为本申请的一种方案，所述顶封部包括两相对设置的第一密封部和第二密封部以及连接于所述第一密封部和所述第二密封部之间的第三密封部，所述第一密封部和所述第二密封部分别朝所述第三密封部折叠，所述第三密封部朝所述顶面折叠，所述内置部位于所述第三密封部内。As a solution of the present application, the top seal portion includes two oppositely arranged first and second sealing portions, and a third sealing portion connected between the first and second sealing portions The first sealing part and the second sealing part are respectively folded toward the third sealing part, the third sealing part is folded toward the top surface, and the built-in part is located in the third sealing part.
作为本申请的一种方案，所述电池还包括电连接所述极耳的电路板，所述电路板设置于部分所述顶面和部分所述顶封部所构成的表面。As a solution of the present application, the battery further includes a circuit board electrically connected to the tabs, and the circuit board is disposed on a surface formed by a part of the top surface and a part of the top seal portion.
作为本申请的一种方案，所述电路板包括柔性电路板和设置于所述柔性电路板朝向所述顶面的补强板，所述补强板设置于部分所述第三密封部和部分所述顶面所构成的表面，所述补强板包括朝向所述第一密封部的第一表面及朝向所述第二密封部的第二表面，所述第一表面向内凹陷形成第一收容空间，所述第二表面向内凹陷形成第二收容空间，部分所述第一密封部收容于所述第一收容空间，部分所述第二密封部收容于所述第二收容空间。As a solution of the present application, the circuit board includes a flexible circuit board and a reinforcing plate disposed on the flexible circuit board facing the top surface, and the reinforcing plate is disposed on part of the third sealing part and part The top surface constitutes a surface, the reinforcing plate includes a first surface facing the first sealing portion and a second surface facing the second sealing portion, and the first surface is recessed inward to form a first surface In the accommodating space, the second surface is recessed inward to form a second accommodating space, part of the first sealing part is accommodated in the first accommodating space, and part of the second sealing part is accommodated in the second accommodating space.
作为本申请的一种方案的电子装置，包括如上述所述的电池。The electronic device as a solution of the present application includes the battery as described above.
本申请中的上述电池，利用缺口结构的设计，避免了外延部弯折后相对所述电池凸出的问题，提高了所述电池在厚度方向上的空间利用率，节省了电池的封装空间，从而为电芯提供更多的空间，进而达到提升电池容量的目的。The above-mentioned battery in this application uses the design of the notch structure to avoid the problem that the extension portion protrudes from the battery after bending, improves the space utilization rate of the battery in the thickness direction, and saves the packaging space of the battery. So as to provide more space for the battery cell, and then achieve the purpose of increasing the battery capacity.
作为本申请的再一种方案的电池，包括电芯。所述电芯包括包装袋。所述包装袋包括主体部、顶封部及至少一侧封部。所述主体部包括顶面、背对所述顶面的底面及连接于所述顶面和所述底面之间的侧面，所述顶封部由所述顶面延伸出。所述侧封部由所述侧面延伸出并连接于所述顶封部，所述侧封部在所述电池的长度方向上向外延伸。所述顶封部与所述侧封部相交处设有第一缺部，所述侧封部沿所述侧封部与所述主体部相交的连接边朝所述侧面折叠。所述顶封部以及所述侧封部与所述顶封部相交部分朝所述顶面折叠，且所述顶封部在所述电池的所述顶面所在平面上的投影全部位于所述顶面的范围内。As yet another solution of the present application, the battery includes a battery cell. The battery cell includes a packaging bag. The packaging bag includes a main body part, a top sealing part and at least one side sealing part. The main body portion includes a top surface, a bottom surface opposite to the top surface, and a side surface connected between the top surface and the bottom surface, and the top seal portion extends from the top surface. The side seal portion extends from the side surface and is connected to the top seal portion, and the side seal portion extends outward in the length direction of the battery. A first notch is provided at the intersection of the top sealing part and the side sealing part, and the side sealing part is folded toward the side surface along the connecting edge where the side sealing part and the main body part intersect. The top seal portion and the intersection of the side seal portion and the top seal portion are folded toward the top surface, and the projection of the top seal portion on the plane where the top surface of the battery is located is all located in the Within the range of the top surface.
作为本申请的一种方案，所述侧封部包括靠近所述第一缺部的角位部，所述角位部朝所述顶封部折叠。As a solution of the present application, the side sealing portion includes a corner portion close to the first gap, and the corner portion is folded toward the top sealing portion.
作为本申请的一种方案，所述侧封部包括靠近所述第一缺部的角位部，所述角位部上开设有第二缺部。As a solution of the present application, the side sealing portion includes a corner portion close to the first gap, and the corner portion is provided with a second gap.
作为本申请的一种方案，所述电芯还包括电极组件和极耳，所述电极组件收容于所述主体部内，所述极耳电连接于所述电极组件，并由所述顶封部内延伸出。As a solution of the present application, the battery cell further includes an electrode assembly and tabs, the electrode assembly is housed in the main body, and the tabs are electrically connected to the electrode assembly and are sealed by the top seal. Extend out.
作为本申请的一种方案的电子装置，包括如上述所述的电池。The electronic device as a solution of the present application includes the battery as described above.
本申请中的上述电池，通过在顶封部和侧封部的相交处开设第一缺部，避免折叠后的顶封部和侧封部相对所述电池凸出，节省了电池的封装空间。如此，在将电池应用于电子装置中时，例如，将电池收容于所述电子装置中的电池仓时，由于本申请电池中顶封部和侧封部在折叠后不会相对所述电池凸出，方便了电池安装的同时，还降低了所述电池在所述电池仓的空间占用率，提高了所述电池仓的空间利用率。In the above-mentioned battery in the present application, a first notch is provided at the intersection of the top sealing part and the side sealing part to prevent the folded top sealing part and the side sealing part from protruding relative to the battery, thereby saving the packaging space of the battery. In this way, when the battery is applied to an electronic device, for example, when the battery is housed in the battery compartment of the electronic device, the top seal part and the side seal part of the battery of the present application will not protrude relative to the battery after being folded. In addition, while facilitating battery installation, it also reduces the space occupancy rate of the battery in the battery compartment, and improves the space utilization rate of the battery compartment.
作为本申请的另一种方案的电池，包括电芯及电连接所述电芯的电路板。所述电芯包括包装袋。所述包装袋包括主体部及顶封部，所述主体部包括顶面，所述顶封部由所述顶面延伸出，并朝所述顶面折叠。所述顶封部包括两相对设置的第一密封部和第二密封部以及连接于所述第一密封部和所述第二密封部之间的第三密封部，所述第一密封部和所述第二密封部分别朝所述第三密封部折叠，所述电路板设置于部分所述第三密封部和部分所述顶面所构成的表面上。所述第一密封部和所述第二密封部在所述顶面所在平面的投影不与所述电路板或者所述电路板中的补强区域在所述顶面所在平面的投影重叠。As another solution of the present application, the battery includes a battery core and a circuit board electrically connected to the battery core. The battery cell includes a packaging bag. The packaging bag includes a main body portion and a top seal portion, the main body portion includes a top surface, and the top seal portion extends from the top surface and is folded toward the top surface. The top seal portion includes two oppositely arranged first and second sealing portions, and a third sealing portion connected between the first and second sealing portions, the first and second sealing portions The second sealing portion is respectively folded toward the third sealing portion, and the circuit board is disposed on a surface formed by a part of the third sealing portion and a part of the top surface. The projections of the first sealing portion and the second sealing portion on the plane where the top surface is located do not overlap with the projections of the circuit board or the reinforced area in the circuit board on the plane where the top surface is located.
作为本申请的一种方案，所述第一密封部包括与所述电路板相对的第一角位部，所述第二密封部包括与所述电路板相对的第二角位部，所述第一角位部上设有第一折痕，所述第二角位部上设有第二折痕，所述第一角位部沿所述一折痕折叠，所述第二角位部沿所述第二折痕折叠。As a solution of the present application, the first sealing portion includes a first corner portion opposite to the circuit board, and the second sealing portion includes a second corner portion opposite to the circuit board. The first corner portion is provided with a first crease, the second corner portion is provided with a second crease, the first corner portion is folded along the one crease, and the second corner portion Fold along the second crease.
作为本申请的一种方案，所述第一密封部开设有与所述电路板相对的第一缺口，所述第二密封部开设有与所述电路板相对的第二缺口。As a solution of the present application, the first sealing portion is provided with a first gap opposite to the circuit board, and the second sealing portion is provided with a second gap opposite to the circuit board.
作为本申请的一种方案，所述电路板包括第一侧面、背对所述第一侧面的第二侧面、第三侧面及背对所述第三侧面的第四侧面，所述第一侧面和所述第二侧面分别连接于所述第三侧面和所述第四侧面之间。其中，所述第一侧面上开设有第三缺口，所述第二侧面上开设有第四缺口，部分所述第一密封部对应收容于所述第三缺口，部分所述第二密封部对应收容于所述第四缺口；或者，所述第三侧面和所述第一侧面的连接处开设有第三缺口，所述第三侧面和所述第二侧面的连接处开设有第四缺口，部分所述第一密封部对应收容于所述第三缺口，部分所述第二密封部对应收容于所述第四缺口。As a solution of the present application, the circuit board includes a first side, a second side facing away from the first side, a third side, and a fourth side facing away from the third side. The first side And the second side surface are respectively connected between the third side surface and the fourth side surface. Wherein, the first side surface is provided with a third notch, the second side surface is provided with a fourth notch, part of the first sealing part is correspondingly received in the third notch, and part of the second sealing part corresponds to Received in the fourth notch; or, a third notch is provided at the connection between the third side and the first side, and a fourth notch is provided at the connection between the third side and the second side, Part of the first sealing part is correspondingly received in the third notch, and part of the second sealing part is correspondingly received in the fourth notch.
作为本申请的一种方案，所述电路板包括柔性电路板和设置于所述柔性电路板朝向所述顶面一侧的补强板，所述补强板对应的区域为所述电路板的补强区域，所述补强板设置于部分所述第三密封部和部分所述顶面所构成的表面上，所述柔性电路板包括朝向所述第一密封部的第一端部及朝向所述第二密封部的第二端部，其中，在所述电池的宽度方向上，所述第一端部相对所述补强板凸出，以与所述补强板一起形成第一容置空间，所述第二端部相对所述补强板凸出，以与所述补强板一起形成第二容置空间，部分所述第一密封部收容于所述第一容置空间，部分所述第二密封部收容于所述第二容置空间。As a solution of the present application, the circuit board includes a flexible circuit board and a reinforcing plate disposed on the side of the flexible circuit board facing the top surface, and the area corresponding to the reinforcing plate is the area of the circuit board. Reinforcing area, the reinforcing plate is provided on a surface formed by part of the third sealing part and part of the top surface, and the flexible circuit board includes a first end facing the first sealing part and The second end of the second sealing portion, wherein, in the width direction of the battery, the first end protrudes relative to the reinforcing plate to form a first container together with the reinforcing plate. The second end portion protrudes relative to the reinforcing plate to form a second accommodating space together with the reinforcing plate, and part of the first sealing portion is accommodated in the first accommodating space, Part of the second sealing portion is accommodated in the second accommodating space.
作为本申请的一种方案的电子装置，包括如上述所述的电池。The electronic device as a solution of the present application includes the battery as described above.
本申请中的上述电池，通过改变所述第一密封部和所述第二密封部的结构、所述电路板的结构、或者所述补强板的结构，避免所述第一密封部和所述第二密封部与所述电路板的重叠设置，而导致的电池在长度方向上的空间浪费的问题，提高所述电池在长度方向上的空间利用率，进而达到提升电池容量的目的。In the above-mentioned battery in this application, by changing the structure of the first sealing part and the second sealing part, the structure of the circuit board, or the structure of the reinforcing plate, avoid the first sealing part and the structure of the reinforcing plate. The overlapping arrangement of the second sealing portion and the circuit board causes the problem of wasting space in the length direction of the battery, which improves the space utilization rate of the battery in the length direction, thereby achieving the purpose of increasing the battery capacity.
附图说明Description of the drawings
图1为本申请一实施方式的电池组件的部分结构的立体示意图。FIG. 1 is a three-dimensional schematic diagram of a partial structure of a battery assembly according to an embodiment of the application.
图2为图1所示的电池组件的部分结构的局部放大示意图。Fig. 2 is a partial enlarged schematic diagram of a part of the structure of the battery assembly shown in Fig. 1.
图3为本申请另一实施方式的电池组件的部分结构的立体示意图。FIG. 3 is a three-dimensional schematic diagram of a partial structure of a battery assembly according to another embodiment of the application.
图4为图3所示的电池组件的部分结构的局部放大示意图。FIG. 4 is a partial enlarged schematic diagram of a part of the structure of the battery assembly shown in FIG. 3.
图5为本申请又一实施方式的电池组件的部分结构的立体示意图。FIG. 5 is a three-dimensional schematic diagram of a partial structure of a battery assembly according to another embodiment of the application.
图6为本申请一实施方式的电池组件的立体示意图。FIG. 6 is a three-dimensional schematic diagram of a battery assembly according to an embodiment of the application.
图7为本申请另一实施方式的电池组件的立体示意图。FIG. 7 is a three-dimensional schematic diagram of a battery assembly according to another embodiment of the application.
图8为本申请又一实施方式的电池组件的立体示意图。FIG. 8 is a three-dimensional schematic diagram of a battery assembly according to another embodiment of this application.
图9为本申请再一实施方式的电池组件的立体示意图。FIG. 9 is a three-dimensional schematic diagram of a battery assembly according to still another embodiment of this application.
图10为本申请一实施方式的电池的结构示意图。FIG. 10 is a schematic diagram of the structure of a battery according to an embodiment of the application.
图11为本申请一实施方式的电芯的结构示意图。FIG. 11 is a schematic diagram of the structure of a battery cell according to an embodiment of the application.
图12为图10所示电池的侧视图。Fig. 12 is a side view of the battery shown in Fig. 10.
图13为图10所示电池的俯视图。Fig. 13 is a top view of the battery shown in Fig. 10.
图14为图10所示电路板、第一电连接件和第二电连接件的示意图。Fig. 14 is a schematic diagram of the circuit board, the first electrical connection member and the second electrical connection member shown in Fig. 10.
图15为本申请另一实施方式的电池的结构示意图。FIG. 15 is a schematic structural diagram of a battery according to another embodiment of the application.
图16为图15所示电池的俯视图。Fig. 16 is a top view of the battery shown in Fig. 15.
图17为图15所示电路板、第一电连接件和第二电连接件的示意图。Fig. 17 is a schematic diagram of the circuit board, the first electrical connection member and the second electrical connection member shown in Fig. 15.
图18为本申请一实施方式的电池组的结构示意图。FIG. 18 is a schematic diagram of the structure of a battery pack according to an embodiment of the application.
图19为本申请另一实施方式的电池组的结构示意图。FIG. 19 is a schematic structural diagram of a battery pack according to another embodiment of the application.
图20为本申请另一实施方式的电池组的结构示意图。FIG. 20 is a schematic structural diagram of a battery pack according to another embodiment of the application.
图21为本申请另一实施方式的电池组的结构示意图。FIG. 21 is a schematic structural diagram of a battery pack according to another embodiment of the application.
图22为本申请另一实施方式的电池组的结构示意图。FIG. 22 is a schematic structural diagram of a battery pack according to another embodiment of the application.
图23为本申请一实施方式的电子装置的模块示意图。FIG. 23 is a schematic diagram of modules of an electronic device according to an embodiment of the application.
图24为本申请一实施方式的电池的结构示意图。FIG. 24 is a schematic diagram of the structure of a battery according to an embodiment of the application.
图25为图24所述电池的正面示意图。FIG. 25 is a schematic front view of the battery of FIG. 24. FIG.
图26为图24所示Ⅱ的放大图。Figure 26 is an enlarged view of II shown in Figure 24.
图27为图24所示电池中极耳未弯折时的俯视图。Fig. 27 is a top view of the battery shown in Fig. 24 when the tabs are not bent.
图28为本申请另一实施方式的电池的结构示意图。FIG. 28 is a schematic diagram of the structure of a battery according to another embodiment of the application.
图29为本申请另一实施方式的电池的结构示意图。FIG. 29 is a schematic structural diagram of a battery according to another embodiment of the application.
图30为本申请另一实施方式的电池的结构示意图。FIG. 30 is a schematic structural diagram of a battery according to another embodiment of the application.
图31为本申请另一实施方式的电池的结构示意图。FIG. 31 is a schematic structural diagram of a battery according to another embodiment of the application.
图32为本申请另一实施方式的电池的结构示意图。FIG. 32 is a schematic structural diagram of a battery according to another embodiment of the application.
图33为本申请另一实施方式的电池的结构示意图。FIG. 33 is a schematic structural diagram of a battery according to another embodiment of the application.
图34为图33所示电池的俯视图。Fig. 34 is a top view of the battery shown in Fig. 33;
图35为图33所示电路板的结构示意图。FIG. 35 is a schematic diagram of the structure of the circuit board shown in FIG. 33. FIG.
图36为本申请一实施方式的电池的俯视图。Fig. 36 is a top view of a battery according to an embodiment of the application.
图37为图36所示电池的展开图。Fig. 37 is an expanded view of the battery shown in Fig. 36;
图38为折叠图36所示侧封部后的电池的结构示意图。FIG. 38 is a schematic diagram of the structure of the battery after folding the side seal portion shown in FIG. 36. FIG.
图39为图38所示电池在另一视角下对的结构示意图。Fig. 39 is a schematic diagram showing the structure of the battery shown in Fig. 38 from another perspective.
图40为本申请一实施方式的电极组件的示意图。FIG. 40 is a schematic diagram of an electrode assembly according to an embodiment of the application.
图41为本申请另一实施方式的电池的俯视图。FIG. 41 is a top view of a battery according to another embodiment of the application.
图42为本申请另一实施方式的电池的展开图。FIG. 42 is an expanded view of a battery according to another embodiment of the application.
图43为本申请另一实施方式的电池的展开图。Fig. 43 is an expanded view of a battery according to another embodiment of the application.
图44为本申请另一实施方式的电池的展开图。Fig. 44 is an expanded view of a battery according to another embodiment of the application.
图45为本申请另一实施方式的电池的展开图。FIG. 45 is an expanded view of a battery according to another embodiment of the application.
图46为本申请一实施方式的电池的结构示意图。FIG. 46 is a schematic diagram of the structure of a battery according to an embodiment of the application.
图47为本申请一实施方式的电芯的结构示意图。FIG. 47 is a schematic diagram of the structure of a battery cell according to an embodiment of the application.
图48为图47所示电芯的展开示意图。Fig. 48 is an expanded schematic diagram of the battery cell shown in Fig. 47.
图49为图46所示电池的俯视图。Fig. 49 is a top view of the battery shown in Fig. 46;
图50为图46所示电路板的结构示意图。FIG. 50 is a schematic diagram of the structure of the circuit board shown in FIG. 46. FIG.
图51为本申请一实施方式的电池的俯视图。FIG. 51 is a top view of a battery according to an embodiment of the application.
图52为图51所示电芯的展开示意图。Fig. 52 is an expanded schematic diagram of the battery cell shown in Fig. 51.
图53为图51所示电芯俯视图。Fig. 53 is a top view of the battery cell shown in Fig. 51;
图54为本申请一实施方式的电芯的展开图。Fig. 54 is an expanded view of a battery cell according to an embodiment of the application.
图55为本申请另一实施方式的电池的俯视图。FIG. 55 is a top view of a battery according to another embodiment of the application.
图56为本申请另一实施方式的电池的俯视图。Fig. 56 is a top view of a battery according to another embodiment of the application.
图57为本申请另一实施方式的电池的俯视图。Fig. 57 is a top view of a battery according to another embodiment of the application.
图58为本申请另一实施方式的电池的俯视图。Fig. 58 is a top view of a battery according to another embodiment of the application.
图59为本申请一实施方式的电子装置的模块示意图。FIG. 59 is a schematic diagram of modules of an electronic device according to an embodiment of the application.
主要元件符号说明Symbol description of main components
电池组件        100      外接件          125        角位部        1141 Battery assembly 100 external parts 125 corner position 1141
封装膜          30       避空槽          13         第二缺部      1142 Encapsulation film 30 empty slot 13 second missing part 1142
极耳            50       第一避空槽      13a        第一缺部      115 Polar Ear 50 50 First Escape Slot 13a First Miss 115
主体部          31       第二避空槽      13b        连接边        116 Main body department 31 second empty slot 13b connecting edge 116
顶封边          33       电池组          20         电极组件      117Top sealing edge 33 battery pack 20 electrode assembly 117
侧封边          35       电池组          300        正极片        1171 Side sealing edge 35 battery pack 300 positive electrode sheet 1171
第二端          53       电路板          310        隔离膜        1172The second end 53 circuit boards 310 isolation membrane 1172
第一表面        311      避空槽          32         负极片        1173 First surface 311 Avoidance slot 32 Negative sheet 1173
第二表面        313      电连接件        33a        极耳          118The second surface 313 electrical connections 33a polar ears 118
顶壁            315      外接件          34         电路板        12 Top wall 315 External parts 34 Circuit board 12
                         电子装置        100b Electronic device 100b
                         电池            10a Battery 10a
侧壁            317      主体部          112a       电连接件      13c Side wall 317 Main body 112a Electrical connection 13c
连接部          37       顶面            1121       电子装置      100c Connection Department 37 Top Surface 1121 Electronic Device 100c
第一翻折区      371      顶封部          113a       电池          10d、20aThe first turning area 371 Top seal department 113a Battery 10d, 20a
第二翻折区      373      第一密封部      1131       第一缺口      1134The second turning area 373 The first sealing department 1131 The first gap 1134
第一连接端      372      第二密封部      1132       第二缺口      1135First connection end 372 Second sealing part 1132 Second gap 1135
第二连接端      374      第三密封部      1133       第一角位部    1136The second connecting end 374 The third sealing part 1133 The first corner position 1136
导线            60       极耳            12a        第二角位部    1137 Lead wire 60 60 Polar ears 12a Second corner position 1137
柔性电路板      70       绝缘件          130        第一折痕      1138 Flexible circuit board 70 Insulation parts 130 First crease 1138
电连接器        61、73   内置部          131        第二折痕      1139 Electrical connector 61, 73 Built-in department 131 Second crease 1139
金手指          71       外延部          132        第一极耳      115a Goldfinger 71 71 Extension Department 132 First pole 115a
电子装置        100a     边角部          1321       第二极耳      116a Electronic device 100a Corner section 1321 Second pole 116a
电池            10       缺口结构        1322       电连接件      121a Battery 10 Gap structure 1322 Electrical connection 121a
电芯            11       侧边            1323       第一侧面      122a Cells 11 Sides 1323 First side 122a
包装袋          111      顶边            1324       第三缺口      1221 Packaging bag 111 Top side 1324 Third gap 1221
主体部          1111     相交线          133        第二侧面      123a Main Body Department 1111 Intersecting Line 133 Second Aspect 123a
顶封边          1112     第二电连接件    124        第四缺口      1231 Top sealing edge 1112 Second electrical connector 124 Fourth gap 1231
顶面            1113     柔性电路板      141        第三侧面      124a Top side 1113 Flexible circuit board 141 141 Third side 124a
底面            1114     补强板          142        第四侧面      125a Bottom side 1114 Reinforcement board 142 142 Fourth side 125a
侧面            1115     第一表面        1421       柔性电路板    126On the side 1115 First surface 1421 Flexible circuit board 126
极耳            112      第二表面        1422       第一端部      1261 Polar ear 112 112 second surface 1422 first end 1261
第一极耳        112c     第一收容空间    1423       第二端部      1262First polar ear 112c First containment space 1423 Second end 1262
第二极耳        112d     第二收容空间    1424       第一容置空间  1263 Second pole ear 112d Second containment space 1424 First containment space 1263
第一密封件      113      电连接件        143        第二容置空间  1264 First seal 113 Electrical connection 143 Second housing space 1264
第二密封件      114      电池            10c        补强板        127 Second seal 114 Battery 10c Reinforcement plate 127
电路板          12、14   底面            1122       外接件        128 Circuit board 12, 14 Bottom side 1122 External component 128
下表面          121      侧面            1123       电子装置      100d Lower surface 121 side surface 1123 electronic device 100d
上表面          122      侧封部          114a       第一电连接件  123 Top surface 122 Side seal department 114a First electrical connector 123
如下具体实施方式将结合上述附图进一步说明本申请。The following specific embodiments will further illustrate this application in conjunction with the above-mentioned drawings.
具体实施方式Detailed ways
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments.
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施方式\实施例的目的，不是旨在于限制本申请。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of this application. The terms used in the specification of the application herein are only for the purpose of describing specific implementations\examples, and are not intended to limit the application.
下面结合附图，对本申请的一些实施方式作详细说明。在不冲突的情况下，下述的实施方式\实施例及实施方式\实施例中的特征可以相互组合。Hereinafter, some embodiments of the present application will be described in detail with reference to the accompanying drawings. In the case of no conflict, the features in the following embodiments\examples and embodiments\examples can be combined with each other.
请参阅图1至图9，本申请公开了一种电池组件100，包括电芯主体(图未示)、封装膜30以及极耳50。所述封装膜30包括主体部31、顶封边33以及侧封边35。所述顶封边33与所述侧封边35分别与所述主体部31连接。所述主体部31包覆所述电芯主体。所述极耳50包括相背的第一端以及第二端53。所述第一端连接所述电芯主体，所述第二端53位于所述封装膜30外。Please refer to FIG. 1 to FIG. 9. The present application discloses a battery assembly 100 including a battery core body (not shown), a packaging film 30 and a tab 50. The packaging film 30 includes a main body 31, a top sealing edge 33 and a side sealing edge 35. The top sealing edge 33 and the side sealing edge 35 are respectively connected to the main body portion 31. The main body portion 31 covers the battery core main body. The tab 50 includes a first end and a second end 53 opposite to each other. The first end is connected to the main body of the cell, and the second end 53 is located outside the packaging film 30.
请参阅图1，所述主体部31包括第一表面311、第二表面313、顶壁315及侧壁317。所述第一表面311与所述第二表面313相背设置，所述顶壁315连接所述第一表面311与所述第二表面313，所述侧壁317连接所述第一表面311、所述第二表面313及所述顶壁315。Please refer to FIG. 1, the main body portion 31 includes a first surface 311, a second surface 313, a top wall 315 and a side wall 317. The first surface 311 is opposite to the second surface 313, the top wall 315 connects the first surface 311 and the second surface 313, and the side wall 317 connects the first surface 311, The second surface 313 and the top wall 315.
所述顶封边33设置于所述顶壁315，且所述顶封边33自所述顶壁315朝所述第一表面311方向延伸。The top sealing edge 33 is disposed on the top wall 315, and the top sealing edge 33 extends from the top wall 315 toward the first surface 311.
所述侧封边35设置于所述侧壁317，且所述侧封边35自所述侧壁317朝所述第二表面313方向延伸。The side sealing edge 35 is disposed on the side wall 317, and the side sealing edge 35 extends from the side wall 317 toward the second surface 313.
请参阅图1、图2、图3、图4以及图5，所述封装膜30还包括连接所述顶封边33与所述侧封边35的连接部37。所述连接部37包括第一翻折区371及连接所述第一翻折区371的第二翻折区373。所述第一翻折区371包括第一连接端372，所述第一连接端372连接所述顶封边33，所述第二翻折区373包括第二连接端374，所述第二连接端374连接所述侧封边35。Referring to FIGS. 1, 2, 3, 4 and 5, the packaging film 30 further includes a connecting portion 37 connecting the top sealing edge 33 and the side sealing edge 35. The connecting portion 37 includes a first turning area 371 and a second turning area 373 connecting the first turning area 371. The first turning area 371 includes a first connecting end 372, the first connecting end 372 is connected to the top sealing edge 33, the second turning area 373 includes a second connecting end 374, the second connecting The end 374 is connected to the side sealing edge 35.
在一些实施方式中，请参阅图1及图2，所述第二翻折区373自所述第二连接端374弯折在所述侧封边35背离所述侧壁317的一侧。其中，所述第二翻折区373与所述侧封边35的夹角小于90°。所述第一翻折区371自所述第一连接端372朝所述侧壁317弯折。In some embodiments, referring to FIGS. 1 and 2, the second turning area 373 is bent from the second connecting end 374 on the side of the side sealing edge 35 away from the side wall 317. Wherein, the included angle between the second turning area 373 and the side sealing edge 35 is less than 90°. The first turning area 371 is bent from the first connecting end 372 toward the side wall 317.
在另一些实施方式中，请参阅图3及图4，所述第一翻折区371自所述第一连接端372弯折在所述顶封边33背离所述顶壁315的一侧。其中，所述第一翻折区371与所述顶封边33的夹角小于90°。所述第二翻折区373自所述第二连接端374朝所述顶壁315弯折。In other embodiments, referring to FIGS. 3 and 4, the first turning area 371 is bent from the first connecting end 372 on the side of the top sealing edge 33 away from the top wall 315. Wherein, the included angle between the first turning area 371 and the top sealing edge 33 is less than 90°. The second turning area 373 is bent from the second connecting end 374 toward the top wall 315.
在另一些实施方式中，请参阅图5，所述电池组件100同时包含了图2及图4两种设置方式。即，其中一个侧封边35与所述顶封边33的连接部37的设置方式如图2所示，所述第二翻折区373自所述第二连接端374弯折在所述侧封边35背离所述侧壁317的一侧。其中，所述第二翻折区373与所述侧封边35的夹角小于90°，所述第一翻折区371自所述第一连接端372朝所述侧壁317弯折；而另一个侧封边35与所述顶封边33的连接部37的设置方式如图3所示，所述第一翻折区371自所述第一连接端372弯折在所述顶封边33背离所述顶壁315的一侧。其中，所述第一翻折区371与所述顶封边33的夹角小于90°，所述第二翻折区373自所述第二连接端374朝所述顶壁315弯折。In other embodiments, please refer to FIG. 5, the battery assembly 100 includes both of FIG. 2 and FIG. 4 at the same time. That is, the connecting portion 37 of one of the side sealing edges 35 and the top sealing edge 33 is arranged as shown in FIG. 2, the second turning area 373 is bent from the second connecting end 374 on the side The side seal 35 is away from the side wall 317. Wherein, the included angle between the second turning area 373 and the side sealing edge 35 is less than 90°, and the first turning area 371 is bent from the first connecting end 372 toward the side wall 317; and The arrangement of the connecting portion 37 of the other side sealing edge 35 and the top sealing edge 33 is shown in FIG. 3, the first turning area 371 is bent from the first connecting end 372 to the top sealing edge 33 is away from the side of the top wall 315. Wherein, the included angle between the first turning area 371 and the top sealing edge 33 is less than 90°, and the second turning area 373 is bent from the second connecting end 374 toward the top wall 315.
优选的，所述顶封边33位于所述第一表面311与所述第二表面313之间，即所述顶封边33不从所述第一表面311凸出，以便于减小所述电池组件100的体积。而在另一些实施方式中，所述顶封边33也可从所述第一表面311凸出。Preferably, the top sealing edge 33 is located between the first surface 311 and the second surface 313, that is, the top sealing edge 33 does not protrude from the first surface 311, so as to reduce the The volume of the battery pack 100. In other embodiments, the top sealing edge 33 may also protrude from the first surface 311.
优选的，所述侧封边35位于所述第一表面311与所述第二表面313之间，即所述侧封边35不从所述第二表面313凸出，以便于减小所述电池组件100的体积。而在另一些实施方式中，所述侧封边35也可从所述第二表面313凸出。Preferably, the side sealing edge 35 is located between the first surface 311 and the second surface 313, that is, the side sealing edge 35 does not protrude from the second surface 313, so as to reduce the The volume of the battery pack 100. In other embodiments, the side sealing edge 35 may also protrude from the second surface 313.
所述极耳50可从所述顶封边33伸出，也可从所述侧封边35伸出。在本申请中，以所述极耳50从所述顶封边33伸出为例子进行进一步说明。The tab 50 can extend from the top sealing edge 33 or from the side sealing edge 35. In the present application, further description will be made by taking the protruding tab 50 from the top sealing edge 33 as an example.
请参阅图3，所述极耳50位于所述封装膜30外的部分垂直于所述顶壁315设置。请参阅图1，所述极耳50位于所述封装膜30外的部分还可平行所述顶壁315设置。在其他实施方式中，所述极耳50位于所述封装膜30外的部分还可与所述顶壁315呈其他角度设置。Please refer to FIG. 3, the part of the tab 50 located outside the packaging film 30 is perpendicular to the top wall 315. Please refer to FIG. 1, the part of the tab 50 located outside the packaging film 30 can also be arranged parallel to the top wall 315. In other embodiments, the part of the tab 50 located outside the packaging film 30 can also be arranged at other angles to the top wall 315.
优选的，所述极耳50位于所述第一表面311与所述第二表面313之间，即所述极耳50不从所述第一表面311或所述第二表面313凸出，以便于减小所述电池组件100的体积。Preferably, the tab 50 is located between the first surface 311 and the second surface 313, that is, the tab 50 does not protrude from the first surface 311 or the second surface 313, so that In order to reduce the volume of the battery assembly 100.
请参阅图6、图7、图8及图9，所述电池组件100还包括导线60或/及柔性电路板70，所述导线60或/及所述柔性电路板70与所述第二端53焊接以实现电连接。所述焊接可为激光焊接、超声波焊接或者热压焊。Please refer to FIG. 6, FIG. 7, FIG. 8 and FIG. 9, the battery assembly 100 further includes a wire 60 or/and a flexible circuit board 70, the wire 60 or/and the flexible circuit board 70 and the second end 53 welding to achieve electrical connection. The welding may be laser welding, ultrasonic welding or hot pressure welding.
请参阅图6及图7本实施方式中，所述导线60与所述第二端53连接的端部呈扁平状，以便于进行焊接。在一些实施方式中，所述导线60背离所述第二端53的端部设有焊料(如锡膏，图未示)，用于与其他电子元件进行热压焊电连接。在另一些实施方式中，请参阅图7，所述导线60背离所述第二端53的端部设有电连接器61，用于与其他电子元件进行电连接。Please refer to FIG. 6 and FIG. 7 In this embodiment, the end of the wire 60 connected to the second end 53 is flat to facilitate welding. In some embodiments, the end of the wire 60 away from the second end 53 is provided with solder (such as solder paste, not shown) for electrical connection with other electronic components by thermal compression welding. In other embodiments, please refer to FIG. 7, the end of the wire 60 away from the second end 53 is provided with an electrical connector 61 for electrical connection with other electronic components.
请参阅图8，所述柔性电路板70背离所述第二端53的端部设有金手指71，用于与其他电子元件进行电连接。在另一些实施方式中，请参阅图9，所述柔性电路板70背离所述第二端53的端部设有电连接器73，用于与其他电子元件进行电连接。Please refer to FIG. 8, the end of the flexible circuit board 70 away from the second end 53 is provided with a gold finger 71 for electrical connection with other electronic components. In other embodiments, please refer to FIG. 9, the end of the flexible circuit board 70 away from the second end 53 is provided with an electrical connector 73 for electrical connection with other electronic components.
在一些实施方式中，所述极耳50的第二端53与所述导线60之间以及/或者所述极耳50的第二端53与所述柔性电路板70还可设有导电片(图未示)，所述导电片电连接所述极耳50与所述导线60以及/或者电连接所述极耳50与所述柔性电路板70。其中，所述极耳与所述导电片之间为激光焊接或超声波焊接。In some embodiments, a conductive sheet may be further provided between the second end 53 of the tab 50 and the wire 60 and/or the second end 53 of the tab 50 and the flexible circuit board 70 ( (Not shown in the figure), the conductive sheet electrically connects the tab 50 and the wire 60 and/or electrically connects the tab 50 and the flexible circuit board 70. Wherein, between the tabs and the conductive sheet is laser welding or ultrasonic welding.
在一些实施方式中，所述极耳50的第二端53与所述导线60之间以及/或者所述极耳50的第二端53与所述柔性电路板70还可设有保护板(图未示)。所述保护板电连接所述极耳50与所述导线60以及/或者电连接所述极耳50与所述柔性电路板70。所述保护板上设有元器件，例如MOS、控制芯片(控制IC)等。In some embodiments, between the second end 53 of the tab 50 and the wire 60 and/or between the second end 53 of the tab 50 and the flexible circuit board 70, a protective plate ( Picture not shown). The protection board electrically connects the tab 50 and the wire 60 and/or electrically connects the tab 50 and the flexible circuit board 70. The protection board is provided with components, such as MOS, control chip (control IC) and so on.
将上述电池组件100应用于电子装置(图未示)中。所述电子装置可为但不仅限于手机、电脑、电动玩具等。所述电子装置还包括外接电子元件(图未示)，所述外接电子元件与所述导线60及/或所述柔性电路板70电连接。具体的，在一些实施方式中，所述外接电子元件与所述导线60上的焊料热压焊或者与所述导线60上的电连接器61连。在另一些实施方式中，所述外接电子元件与与所述柔性电路板70的金手指71连接，或者与所述柔性电路板70的电连接器73连接。The above-mentioned battery assembly 100 is applied to an electronic device (not shown). The electronic device can be, but is not limited to, a mobile phone, a computer, an electric toy, etc. The electronic device further includes an external electronic component (not shown), and the external electronic component is electrically connected to the wire 60 and/or the flexible circuit board 70. Specifically, in some embodiments, the external electronic component is thermally welded to the solder on the wire 60 or connected to the electrical connector 61 on the wire 60. In other embodiments, the external electronic component is connected to the golden finger 71 of the flexible circuit board 70 or is connected to the electrical connector 73 of the flexible circuit board 70.
本申请的上述电池组件100结构简单，所述顶封边33与所述侧封边35朝相反的方向延伸，使得所述电池组件100中连接部37堆叠的厚度降低，从而降低了所述电池组件100的体积，同时也减小了折边应力，减少了连接部37折边破损的概率。所述电池组件100中的极耳50上焊接导线60及/或柔性电路板70，便于灵活地连接外接电子元件，从而有利于电池组件100体积的缩减。进一步地，所述顶封边33、所述侧封边35及/或所述极耳50位于所述第一表面311与所述第二表面313之间，能够进一步减小所述电池组件100的体积。The above-mentioned battery assembly 100 of the present application has a simple structure. The top sealing edge 33 and the side sealing edge 35 extend in opposite directions, so that the thickness of the stack of the connecting portion 37 in the battery assembly 100 is reduced, thereby reducing the battery The volume of the component 100 also reduces the folding stress, and reduces the probability of damage to the connecting portion 37 by folding. The tabs 50 of the battery assembly 100 are welded with wires 60 and/or flexible circuit boards 70 to facilitate flexible connection of external electronic components, thereby facilitating the reduction of the volume of the battery assembly 100. Further, the top sealing edge 33, the side sealing edge 35 and/or the tab 50 are located between the first surface 311 and the second surface 313, which can further reduce the size of the battery assembly 100 volume of.
请参阅参图10，本申请还公开了一种电池10。所述电池10包括电芯11及电路板12。请一并参图21，所述电芯11包括包装袋111和极耳112。所述包装袋111包括主体部1111及顶封边1112。所述主体部1111包括顶面1113。所述顶封边1112由所述顶面1113延伸出。所述顶封边1112朝所述主体部1111方向弯折，并覆盖部分所述顶面1113。所述极耳112由所述顶封边1112内延伸出。所述电路板12设置于所述顶面1113。所述电路板12对应所述极耳112的位置设有避空槽13。所述极耳112朝所述避空槽13方向弯折，并电连接所述电路板12。Please refer to FIG. 10, this application also discloses a battery 10. The battery 10 includes a battery cell 11 and a circuit board 12. Please refer to FIG. 21 together. The battery cell 11 includes a packaging bag 111 and a tab 112. The packaging bag 111 includes a main body 1111 and a top sealing edge 1112. The main body portion 1111 includes a top surface 1113. The top sealing edge 1112 extends from the top surface 1113. The top sealing edge 1112 is bent toward the main body portion 1111 and covers a part of the top surface 1113. The tab 112 extends from the top sealing edge 1112. The circuit board 12 is disposed on the top surface 1113. The circuit board 12 is provided with an escape slot 13 at a position corresponding to the tab 112. The tab 112 is bent toward the avoiding groove 13 and is electrically connected to the circuit board 12.
参图10、图21和图12，本申请中所述避空槽13的设计，为所述极耳112提供了弯折空间，避免弯折区域A的部分所述极耳112相对所述电芯11凸出，以提高所述电池10在厚度方向上(即X轴方向)的空间利用率，节省电池10的封装空间，从而为电芯11提供更多的空间，进而达到提升电池容量的目的。10, 21, and 12, the design of the avoidance groove 13 in the present application provides a bending space for the tab 112, and avoids the bending of a portion of the tab 112 relative to the electrical The core 11 protrudes to improve the space utilization of the battery 10 in the thickness direction (ie the X-axis direction) and save the packaging space of the battery 10, thereby providing more space for the battery core 11, thereby achieving the improvement of battery capacity purpose.
参图10，所述电路板12包括朝向所述顶面1113的下表面121及背离所述顶面1113的上表面122。所述避空槽13贯穿所述上表面122和所述下表面121。所述极耳112与所述电路板12电连接于所述上表面122。Referring to FIG. 10, the circuit board 12 includes a lower surface 121 facing the top surface 1113 and an upper surface 122 facing away from the top surface 1113. The avoidance groove 13 penetrates the upper surface 122 and the lower surface 121. The tab 112 and the circuit board 12 are electrically connected to the upper surface 122.
参图12和图13，所述极耳112在所述顶面1113的投影全部位于所述顶面1113内。即，弯折区域A的部分所述极耳112相对所述电芯11不凸出，如此提高了所述电池10在厚度方向上(即X轴方向)的空间利用率，节省电池10的封装空间，从而为电芯11提供更多的空间，进而达到提升电池容量的目的。Referring to FIGS. 12 and 13, the projections of the tab 112 on the top surface 1113 are all located in the top surface 1113. That is, the part of the tab 112 in the bending area A does not protrude from the battery core 11, which improves the space utilization of the battery 10 in the thickness direction (that is, the X-axis direction), and saves the packaging of the battery 10 Space, thereby providing more space for the battery cell 11, thereby achieving the purpose of increasing the battery capacity.
参图10，在本实施方式中，所述电芯11包括两所述极耳112。所述电路板12对应每一所述极耳112的位置设有一所述避空槽13。两所述避空槽13彼此不连通。为了方便说明，将两所述极耳112定义为第一极耳112c和第二极耳112d，将两所述避空槽13定义为第一避空槽13a和第二避空槽13b。Referring to FIG. 10, in this embodiment, the battery cell 11 includes two tabs 112. The circuit board 12 is provided with a avoidance slot 13 corresponding to each of the tabs 112. The two avoidance slots 13 are not connected to each other. For the convenience of description, the two tabs 112 are defined as a first tab 112c and a second tab 112d, and the two avoidance grooves 13 are defined as a first avoidance groove 13a and a second avoidance groove 13b.
参图15，在一些实施方式中，所述第一避空槽13a和所述第二避空槽13b彼此连通。Referring to FIG. 15, in some embodiments, the first avoidance groove 13a and the second avoidance groove 13b communicate with each other.
进一步地，参图10，所述顶封边1112内设有第一密封件113和第二密封件114。所述第一密封件113用于隔离所述顶封边1112和所述第一极耳112c，所述第二密封件114用于隔离所述顶封边1112和所述第二极耳112d。所述第一密封件113位于所述第一避空槽13a，所述第二密封件114位于所述第二避空槽13b。其中，所述第一密封件113、所述第二密封件114和所述电路板12在所述顶面1113的投影不重叠。Further, referring to FIG. 10, the top sealing edge 1112 is provided with a first sealing member 113 and a second sealing member 114. The first sealing member 113 is used to isolate the top sealing edge 1112 and the first tab 112c, and the second sealing member 114 is used to isolate the top sealing edge 1112 and the second tab 112d. The first sealing member 113 is located in the first avoiding groove 13a, and the second sealing member 114 is located in the second avoiding groove 13b. Wherein, the projections of the first sealing member 113, the second sealing member 114 and the circuit board 12 on the top surface 1113 do not overlap.
本申请中避空槽的设计，为所述第一密封件113和所述第二密封件114提供了收容空间，避免所述第一密封件113和所述电路板12，以及所述第二密封件114和所述电路板12在所述电池10在长度方向上(即Y轴方向)的重叠设置，以有效提高所述电池10在长度方向上的空间利用率。此外，在电池10整体尺寸一定的情况下，利用避空槽的设计，优化所述电路板12与所述第一密封件113和所述第二密封件114的布局，以节省电池10的封装空间，从而为电芯11提供更多的空间，进而达到提升电池容量的目的。The design of the avoidance groove in this application provides a receiving space for the first sealing member 113 and the second sealing member 114, avoiding the first sealing member 113, the circuit board 12, and the second sealing member 113 and the second sealing member 114. The sealing member 114 and the circuit board 12 are overlapped in the length direction of the battery 10 (ie, the Y-axis direction), so as to effectively improve the space utilization of the battery 10 in the length direction. In addition, when the overall size of the battery 10 is constant, the layout of the circuit board 12 and the first sealing member 113 and the second sealing member 114 is optimized by using the design of the avoidance groove to save the packaging of the battery 10 Space, thereby providing more space for the battery cell 11, thereby achieving the purpose of increasing the battery capacity.
参图10，所述上表面122设置有第一电连接件123和第二电连接件124。所述第一电连接件123电连接所述第一极耳112c，所述第二电连接件124电连接所述第二极耳112d。Referring to FIG. 10, the upper surface 122 is provided with a first electrical connector 123 and a second electrical connector 124. The first electrical connector 123 is electrically connected to the first tab 112c, and the second electrical connector 124 is electrically connected to the second tab 112d.
进一步地，参图10，所述电路板12上设置有外接件125。所述外接件125电连接所述电路板12。在一些实施方式中，所述外接件34不限于柔性电路板或端子线。Further, referring to FIG. 10, an external component 125 is provided on the circuit board 12. The external component 125 is electrically connected to the circuit board 12. In some embodiments, the external part 34 is not limited to a flexible circuit board or a terminal wire.
参图18、图19、图21图20和图21，本申请还提供了一种电池组20。所述电池组20包括多个上述所述的电池10。多个所述电池10竖直排列或堆叠设置。Referring to FIG. 18, FIG. 19, FIG. 21, FIG. 20, and FIG. 21, the present application also provides a battery pack 20. The battery pack 20 includes a plurality of the batteries 10 described above. A plurality of the batteries 10 are arranged vertically or stacked.
下面通实施例对本申请的电池10及电池组20进行具体说明。The following embodiments describe the battery 10 and the battery pack 20 of the present application in detail.
实施例1.1Example 1.1
参图10，一种电池10包括电芯11及电路板12。Referring to FIG. 10, a battery 10 includes a battery cell 11 and a circuit board 12.
请一并参图21，所述电芯11包括包装袋111、第一极耳112c及第二极耳112d。所述包装袋111包括主体部1111及顶封边1112。Please refer to FIG. 21 together. The battery cell 11 includes a packaging bag 111, a first tab 112c, and a second tab 112d. The packaging bag 111 includes a main body 1111 and a top sealing edge 1112.
参图21，所述主体部1111包括顶面1113、背对所述顶面1113的底面1114及连接于所述顶面1113和所述底面1114之间的侧面1115。在实施例1.1中，所述主体部1111呈长方体结构。在一些实施方式中，所述主体部1111不限于呈长方体结构，还可以呈柱状结构等。Referring to FIG. 21, the main body portion 1111 includes a top surface 1113, a bottom surface 1114 facing away from the top surface 1113, and a side surface 1115 connected between the top surface 1113 and the bottom surface 1114. In Example 1.1, the main body portion 1111 has a rectangular parallelepiped structure. In some embodiments, the main body portion 1111 is not limited to a rectangular parallelepiped structure, and may also be a columnar structure or the like.
参图10和图21，所述顶封边1112由所述顶面1113延伸出，并朝所述主体部1111方向弯折，并覆盖部分所述顶面1113。Referring to FIGS. 10 and 21, the top sealing edge 1112 extends from the top surface 1113 and is bent toward the main body portion 1111 to cover part of the top surface 1113.
参图10和图21，所述第一极耳112c和所述第二极耳112d分别由所述顶封边1112内延伸出。其中，所述第一极耳112c的极性不同于所述第二极耳112d的极性。10 and 21, the first tab 112c and the second tab 112d extend from the top sealing edge 1112, respectively. Wherein, the polarity of the first tab 112c is different from the polarity of the second tab 112d.
进一步地，所述电芯11还包括电极组件(图未示)及电解液(图未示)。所述电极组件和所述电解液收容于所述主体部1111内。其中，所述第一极耳112c和所述第二极耳112d分别电连接所述电极组件。Further, the cell 11 further includes an electrode assembly (not shown in the figure) and electrolyte (not shown in the figure). The electrode assembly and the electrolyte are contained in the main body 1111. Wherein, the first tab 112c and the second tab 112d are respectively electrically connected to the electrode assembly.
所述电极组件可为现有技术中常见的结构。The electrode assembly may be a common structure in the prior art.
示例性的，所述电极组件包括正极片、隔离膜及负极片。所述正极片、所述隔离膜和所述负极片经卷绕或层叠形成所述电极组件。其中，所述第一极耳112c电连接所述正极片，所述第二极耳112d电连接所述负极片。Exemplarily, the electrode assembly includes a positive electrode sheet, a separator film, and a negative electrode sheet. The positive electrode sheet, the separator film and the negative electrode sheet are wound or laminated to form the electrode assembly. Wherein, the first tab 112c is electrically connected to the positive electrode sheet, and the second tab 112d is electrically connected to the negative electrode sheet.
参图10和图13，所述电路板12设置于所述顶面1113。所述电路板12包括朝向所述顶面1113的下表面121及背离所述顶面1113的上表面122。所述上表面122设置有第一电连接件123和第二电连接件124。Referring to FIGS. 10 and 13, the circuit board 12 is disposed on the top surface 1113. The circuit board 12 includes a lower surface 121 facing the top surface 1113 and an upper surface 122 facing away from the top surface 1113. The upper surface 122 is provided with a first electrical connector 123 and a second electrical connector 124.
参图10，所述电路板12对应所述第一极耳112c的位置设有第一避空槽13a，所述电路板12对应所述第二极耳112d的位置设有第二避空槽13b。所述第一极耳112c朝所述第一避空槽13a方向弯折，并电连接所述第一电连接件123。所述第二极耳112d朝所述第二避空槽13b方向弯折，并电连接所述第二电连接件124。在实施例1.1中，所述第一避空槽13a和所述第二避空槽13b彼此不连通。10, the circuit board 12 is provided with a first avoidance slot 13a at a position corresponding to the first tab 112c, and the circuit board 12 is provided with a second avoidance slot 13a at a position corresponding to the second tab 112d 13b. The first tab 112c is bent toward the first avoiding groove 13a, and is electrically connected to the first electrical connector 123. The second tab 112d is bent toward the second avoidance groove 13b, and is electrically connected to the second electrical connector 124. In Embodiment 1.1, the first avoidance groove 13a and the second avoidance groove 13b are not connected to each other.
其中，参图10和图14，所述第一避空槽13a贯穿所述上表面122和所述下表面121，所述第二避空槽13b贯穿所述上表面122和所述下表面121。10 and 14, the first relief groove 13a penetrates the upper surface 122 and the lower surface 121, and the second relief groove 13b penetrates the upper surface 122 and the lower surface 121 .
在实施例1.1中，参图13，所述第一极耳112c和所述第二极耳112d在所述顶面1113的投影全部位于所述顶面1113内。In Embodiment 1.1, referring to FIG. 13, the projections of the first tab 112c and the second tab 112d on the top surface 1113 are all located in the top surface 1113.
进一步地，参图10，所述顶封边1112内设有第一密封件113和第二密封件114。所述第一密封件113用于隔离所述顶封边1112和所述第一极耳112c，所述第二密封件114用于隔离所述顶封边1112和所述第二极耳112d。所述第一密封件113位于所述第一避空槽13a，所述第二密封件114位于所述第二避空槽13b。其中，所述第一密封件113、所述第二密封件114和所述电路板12在所述顶面1113的投影不重叠。Further, referring to FIG. 10, the top sealing edge 1112 is provided with a first sealing member 113 and a second sealing member 114. The first sealing member 113 is used to isolate the top sealing edge 1112 and the first tab 112c, and the second sealing member 114 is used to isolate the top sealing edge 1112 and the second tab 112d. The first sealing member 113 is located in the first avoiding groove 13a, and the second sealing member 114 is located in the second avoiding groove 13b. Wherein, the projections of the first sealing member 113, the second sealing member 114 and the circuit board 12 on the top surface 1113 do not overlap.
实施例1.2Example 1.2
参图15、图16和图17，实施例1.2与实施例1.1的区别在于，实施例1.2中的所述第一避空槽13a和所述第二避空槽13b彼此连通。15, 16 and 17, the difference between the embodiment 1.2 and the embodiment 1.1 is that the first escape groove 13 a and the second escape groove 13 b in the embodiment 1.2 communicate with each other.
实施例1.3Example 1.3
参图18，一种电池组20包括两个如实施例1.1中所述的电池10。两所述电池10堆叠设置。Referring to Fig. 18, a battery pack 20 includes two batteries 10 as described in Example 1.1. The two batteries 10 are stacked.
实施例1.4Example 1.4
参图19，实施例1.4与实施1.3的区别在于，实施例1.4中的两所述电池10竖直排列。Referring to Fig. 19, the difference between Embodiment 1.4 and Embodiment 1.3 is that the two batteries 10 in Embodiment 1.4 are arranged vertically.
实施例1.5Example 1.5
参图21图20，一种电池组20包括两个如实施例1.2中所述的电池10。两所述电池10堆叠设置。Referring to FIG. 21 and FIG. 20, a battery pack 20 includes two batteries 10 as described in Embodiment 1.2. The two batteries 10 are stacked.
实施例1.6Example 1.6
参图21，实施例1.6与实施1.5的区别在于，实施例1.6中的两所述电池10竖直排列。Referring to FIG. 21, the difference between Embodiment 1.6 and Embodiment 1.5 is that the two batteries 10 in Embodiment 1.6 are arranged vertically.
参图22，本申请还提供了一种电池组300。所述电池组300包括电路板310及多个水平排列的所述电芯11。请一并参图21，所述电路板310设置于由所述多个水平排列的电芯11的顶面1113所构成的表面上。所述电路板310对应每一所述电芯11的极耳112的位置设有避空槽32。所述极耳112朝所述避空槽13方向弯折，并电连接所述电路板310。Referring to FIG. 22, the present application also provides a battery pack 300. The battery pack 300 includes a circuit board 310 and a plurality of the battery cells 11 arranged horizontally. Please refer to FIG. 21 together. The circuit board 310 is disposed on a surface formed by the top surface 1113 of the plurality of cells 11 arranged horizontally. The circuit board 310 is provided with an escape slot 32 corresponding to the position of the tab 112 of each battery core 11. The tab 112 is bent toward the avoiding groove 13 and is electrically connected to the circuit board 310.
参图22，每一所述电芯11上的极耳112在其所在电芯11的顶面1113的投影全部位于所述顶面1113内。Referring to FIG. 22, the projections of the tab 112 on each battery cell 11 on the top surface 1113 of the battery cell 11 where it is located are all located in the top surface 1113.
进一步地，每一所述顶封边1112内的第一密封件113和第二密封件114分别位于其所对应的避空槽32内。Further, the first sealing member 113 and the second sealing member 114 in each top sealing edge 1112 are respectively located in the corresponding escape groove 32.
参图22，所述避空槽32贯穿所述电路板310。所述电路板310背对所述电芯11的表面设置有电连接件33a。所述电连接件33a电连接所述极耳112。Referring to FIG. 22, the avoidance groove 32 penetrates the circuit board 310. The surface of the circuit board 310 facing away from the battery core 11 is provided with an electrical connector 33 a. The electrical connector 33a is electrically connected to the tab 112.
进一步地，参图22，所述电路板310上还设置有外接件34。所述外接件34电连接所述电路板310。在一些实施方式中，所述外接件34不限于柔性电路板或端子线。Furthermore, referring to FIG. 22, an external component 34 is also provided on the circuit board 310. The external component 34 is electrically connected to the circuit board 310. In some embodiments, the external part 34 is not limited to a flexible circuit board or a terminal wire.
在一些实施方式中，参图22，所述电池组300包括所述电路板310和两所述电芯11。两所述电芯11水平排列。In some embodiments, referring to FIG. 22, the battery pack 300 includes the circuit board 310 and two battery cells 11. The two batteries 11 are arranged horizontally.
参图23，本申请还提供了一种电子装置100a。所述电子装置100a包括上述所述的电池10。Referring to FIG. 23, the present application also provides an electronic device 100a. The electronic device 100a includes the battery 10 described above.
其中，所述电子装置100a可以是移动电子设备、储能设备、电动汽车、混合动力电动汽车等。所述移动电子设备可以是移动电话、穿戴式电子设备、平板电脑、笔记本电脑等。Wherein, the electronic device 100a may be a mobile electronic device, an energy storage device, an electric vehicle, a hybrid electric vehicle, and the like. The mobile electronic device may be a mobile phone, a wearable electronic device, a tablet computer, a notebook computer, and the like.
参图24，本申请还公开了一种电池10a。所述电池10a包括电芯11及电连接所述电芯11的极耳12a。所述电芯11包括包装袋111。所述包装袋111包括主体部112a和顶封部113a。所述主体部112a包括顶面1121。所述顶封部113a由所述顶面1121延伸出，并朝所述顶面1121折叠。所述极耳12a由所述顶封部113a内延伸出。所述电池10a还包括绝缘件130。所述绝缘件130包括位于所述顶封部113a内的内置部131，以及延伸至所述顶封部113a外的外延部132。所述极耳12a穿设于所述绝缘件130，以与所述顶封部113a隔离。所述外延部132连接所述内置部131，并朝所述顶封部113a弯折。所述外延部132包括两分别位于所述极耳12a两侧的边角部1321。两所述边角部1321上均设有缺口结构1322。Referring to Fig. 24, the present application also discloses a battery 10a. The battery 10a includes a battery core 11 and tabs 12a electrically connected to the battery core 11. The battery cell 11 includes a packaging bag 111. The packaging bag 111 includes a main body 112a and a top seal 113a. The main body 112a includes a top surface 1121. The top sealing portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121. The tab 12a extends from the top seal portion 113a. The battery 10a further includes an insulating member 130. The insulating member 130 includes a built-in portion 131 located in the top seal portion 113a, and an extension portion 132 extending to the outside of the top seal portion 113a. The tab 12a passes through the insulating member 130 to be isolated from the top seal portion 113a. The extension portion 132 is connected to the built-in portion 131 and is bent toward the top seal portion 113a. The extension portion 132 includes two corner portions 1321 respectively located on two sides of the tab 12a. A notch structure 1322 is provided on the two corner portions 1321.
本申请中利用缺口结构1322的设计，避免了外延部132弯折后相对所述电池10a凸出的问题，提高了所述电池10a在厚度方向(即X轴方向)上的空间利用率，节省了电池10a的封装空间，从而为电芯11提供更多的空间，进而达到提升电池容量的目的。The design of the notch structure 1322 in this application avoids the problem that the extension portion 132 protrudes relative to the battery 10a after bending, improves the space utilization of the battery 10a in the thickness direction (that is, the X-axis direction), and saves This reduces the packaging space of the battery 10a, thereby providing more space for the battery core 11, thereby achieving the purpose of increasing the battery capacity.
其中，所述绝缘件130为极耳胶。Wherein, the insulating member 130 is lug glue.
在一些实施方式中，参图25、图29、图30、图31和图32，所述外延部132通过裁切所述边角部1321或者通过折叠所述边角部1321形成所述缺口结构1322。In some embodiments, referring to FIG. 25, FIG. 29, FIG. 30, FIG. 31, and FIG. 32, the extension portion 132 is formed by cutting the corner portion 1321 or folding the corner portion 1321 to form the notch structure 1322.
其中，参图25、图29、图30、图31和图32，所述缺口结构1322与所述外延部132的相交线133呈弧线、斜线或多段线。Wherein, referring to FIG. 25, FIG. 29, FIG. 30, FIG. 31, and FIG. 32, the intersection line 133 of the notch structure 1322 and the extension portion 132 is an arc, an oblique line or a polyline.
参图26、图29、图30、图31和图32，所述缺口结构1322与所述外延部132的侧边1323相交于点A，所述缺口结构1322与所述外延部132的顶边1324相交于点B。所述点A与所述点B的连线与所述外延部132的侧边1323所形成的夹角α满足： 110°≤α≤160°。Referring to FIGS. 26, 29, 30, 31 and 32, the notch structure 1322 and the side 1323 of the extension portion 132 intersect at point A, and the notch structure 1322 and the top edge of the extension portion 132 1324 intersects at point B. The angle α formed by the line between the point A and the point B and the side 1323 of the extension portion 132 satisfies: 110°≤α≤160°.
参图26、图29、图30、图31和图32，所述极耳12a和所述外延部132的交汇点C至所述点B的间距D为0.1mm-1mm。Referring to FIGS. 26, 29, 30, 31, and 32, the distance D from the intersection point C of the tab 12a and the extension portion 132 to the point B is 0.1 mm-1 mm.
在一些实施方式中，参图27，所述顶封部113a包括两相对设置的第一密封部1131和第二密封部1132以及连接于所述第一密封部1131和所述第二密封部1132之间的第三密封部1133。所述第一密封部1131和所述第二密封部1132分别朝所述第三密封部1133折叠。所述第三密封部1133朝所述顶面1121折叠。所述内置部131位于所述第三密封部1133内。In some embodiments, referring to FIG. 27, the top seal portion 113a includes two oppositely disposed first and second seal portions 1131 and 1132, and connected to the first and second seal portions 1131 and 1132. Between the third sealing portion 1133. The first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133. The third sealing portion 1133 is folded toward the top surface 1121. The built-in portion 131 is located in the third sealing portion 1133.
参图27和图28，所述电池10a还包括电连接所述极耳12a的电路板14。所述电路板14设置于部分所述顶面1121和部分所述顶封部113a所构成的表面。Referring to FIGS. 27 and 28, the battery 10a further includes a circuit board 14 electrically connected to the tab 12a. The circuit board 14 is disposed on a surface formed by a part of the top surface 1121 and a part of the top seal portion 113a.
在一些实施方式中，参图33、图34和图35，所述电路板14包括柔性电路板141和设置于所述柔性电路板141朝向所述顶面1121的补强板142。所述补强板142设置于部分所述第三密封部1133和部分所述顶面1121所构成的表面。所述补强板142包括朝向所述第一密封部1131的第一表面1421及朝向所述第二密封部1132的第二表面1422。所述第一表面1421向内凹陷形成第一收容空间1423。所述第二表面1422向内凹陷形成第二收容空间1424。部分所述第一密封部1131收容于所述第一收容空间1423，部分所述第二密封部1132收容于所述第二收容空间1424。In some embodiments, referring to FIGS. 33, 34 and 35, the circuit board 14 includes a flexible circuit board 141 and a reinforcing plate 142 disposed on the flexible circuit board 141 facing the top surface 1121. The reinforcing plate 142 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121. The reinforcing plate 142 includes a first surface 1421 facing the first sealing portion 1131 and a second surface 1422 facing the second sealing portion 1132. The first surface 1421 is recessed inward to form a first receiving space 1423. The second surface 1422 is recessed inward to form a second receiving space 1424. Part of the first sealing portion 1131 is accommodated in the first accommodating space 1423, and part of the second sealing portion 1132 is accommodated in the second accommodating space 1424.
其中，本申请中通过对所述补强板142的两端***阶凹陷处理，为所述第一密封部1131和所述第二密封部1132创造出***述第一密封部1131的第一收容空间1423和***述第二密封部1132的所述第二收容空间1424，如此大大提高了所述电池10a在长度方向(即Y轴方向)上的空间利用率，提升电池容量。Wherein, in the present application, step recessed treatment is performed on both ends of the reinforcing plate 142 to create a first sealing portion 1131 for the first sealing portion 1131 and the second sealing portion 1132. The accommodating space 1423 and the second accommodating space 1424 for accommodating the second sealing portion 1132 greatly increase the space utilization of the battery 10a in the longitudinal direction (ie, the Y-axis direction) and increase the battery capacity.
下面通过实施例对本申请的电池10a进行具体说明。Hereinafter, the battery 10a of the present application will be described in detail through an embodiment.
实施例2.1Example 2.1
参图24，一种电池10a包括电芯11、电连接所述电芯11的极耳12a、及绝缘件130。Referring to FIG. 24, a battery 10 a includes a battery core 11, tabs 12 a electrically connected to the battery core 11, and an insulating member 130.
参图24，所述电芯11包括包装袋111。所述包装袋111包括主体部112a和顶封部113a。Referring to FIG. 24, the battery cell 11 includes a packaging bag 111. The packaging bag 111 includes a main body 112a and a top seal 113a.
参图24，所述主体部112a包括顶面1121。在实施例2.1中，所述主体部112a呈长方体结构。在其他实施方式中，所述主体部112a还可呈柱状等规则结构或其他不规则结构。Referring to FIG. 24, the main body 112 a includes a top surface 1121. In Embodiment 2.1, the main body 112a has a rectangular parallelepiped structure. In other embodiments, the main body 112a may also have a regular structure such as a columnar shape or other irregular structures.
参图24，所述顶封部113a由所述顶面1121延伸出，并朝所述顶面1121折叠。其中，所述极耳12a由所述顶封部113a内延伸出。Referring to FIG. 24, the top seal portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121. Wherein, the tab 12a extends from the top seal portion 113a.
参图24，所述绝缘件130包括位于所述顶封部113a内的内置部131，以及延伸至所述顶封部113a外的外延部132。所述极耳12a穿设于所述绝缘件130，以与所述顶封部113a隔离。所述外延部132连接所述内置部131，并朝所述顶封部113a弯折。所述外延部132包括两分别位于所述极耳12a两侧的边角部1321。两所述边角部1321上均设有缺口结构1322。Referring to FIG. 24, the insulating member 130 includes a built-in portion 131 located in the top sealing portion 113a, and an extension portion 132 extending to the outside of the top sealing portion 113a. The tab 12a passes through the insulating member 130 to be isolated from the top seal portion 113a. The extension portion 132 is connected to the built-in portion 131 and is bent toward the top seal portion 113a. The extension portion 132 includes two corner portions 1321 respectively located on two sides of the tab 12a. A notch structure 1322 is provided on the two corner portions 1321.
在实施例2.1中，参图24和图25，所述外延部132通过裁切所述边角部1321形成。所述缺口结构1322与所述外延部132的相交线133呈斜线。In Embodiment 2.1, referring to FIGS. 24 and 25, the extension portion 132 is formed by cutting the corner portion 1321. The intersection line 133 of the notch structure 1322 and the extension portion 132 is oblique.
在其他实施方式中，参图29、图30和图31，所述缺口结构1322与所述外延部132的相交线133呈弧线或多段线。In other embodiments, referring to FIG. 29, FIG. 30 and FIG. 31, the intersection line 133 of the notch structure 1322 and the extension portion 132 is an arc or a polyline.
参图26，所述缺口结构1322与所述外延部132的侧边1323相交于点A，所述缺口结构1322与所述外延部132的顶边1324相交于点B。所述点A与所述点B的连线与所述外延部132的侧边1323所形成的夹角α满足：110°≤α≤160°。Referring to FIG. 26, the notch structure 1322 and the side 1323 of the extension portion 132 intersect at a point A, and the notch structure 1322 and the top edge 1324 of the extension portion 132 intersect at a point B. The angle α formed by the line between the point A and the point B and the side 1323 of the extension portion 132 satisfies: 110°≤α≤160°.
参图26，所述极耳12a和所述外延部132的交汇点C至所述点B的间距D为0.1mm-1mm。Referring to FIG. 26, the distance D from the intersection point C of the tab 12a and the extension portion 132 to the point B is 0.1 mm-1 mm.
在实施例2.1中，参图27和图28，所述电池10a还包括电路板14。所述电路板14设置于部分所述顶面1121和部分所述顶封部113a所构成的表面。In Embodiment 2.1, referring to FIGS. 27 and 28, the battery 10 a further includes a circuit board 14. The circuit board 14 is disposed on a surface formed by a part of the top surface 1121 and a part of the top seal portion 113a.
其中，所述电路板14背对所述电芯11的表面设置有电连接件143。所述电连接件143电连接所述极耳12a。Wherein, an electrical connector 143 is provided on the surface of the circuit board 14 facing away from the battery core 11. The electrical connector 143 is electrically connected to the tab 12a.
实施例2.2Example 2.2
参图32，实施例2.2与实施例2.1的区别在于，实施例2.2中的所述缺口结构1322通过折叠所述边角部1321形成。Referring to FIG. 32, the difference between Embodiment 2.2 and Embodiment 2.1 is that the notch structure 1322 in Embodiment 2.2 is formed by folding the corner portion 1321.
实施例2.3Example 2.3
实施例2.3与实施例例2.1的区别在于，电路板14。The difference between Embodiment 2.3 and Embodiment 2.1 lies in the circuit board 14.
参图33、图34和图35，所述电路板14包括柔性电路板141和设置于所述柔性电路板141朝向所述顶面1121的补强板142。所述补强板142设置于部分所述第三密封部1133和部分所述顶面1121所构成的表面。所述补强板142包括朝向所述第一密封部1131的第一表面1421及朝向所述第二密封部1132的第二表面1422。所述第一表面1421向内凹陷形成第一收容空间1423。所述第二表面1422向内凹陷形成第二收容空间1424。部分所述第一密封部1131收容于所述第一收容空间1423，部分所述第二密封部1132收容于所述第二收容空间1424。Referring to FIGS. 33, 34 and 35, the circuit board 14 includes a flexible circuit board 141 and a reinforcing plate 142 disposed on the flexible circuit board 141 facing the top surface 1121. The reinforcing plate 142 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121. The reinforcing plate 142 includes a first surface 1421 facing the first sealing portion 1131 and a second surface 1422 facing the second sealing portion 1132. The first surface 1421 is recessed inward to form a first receiving space 1423. The second surface 1422 is recessed inward to form a second receiving space 1424. Part of the first sealing portion 1131 is accommodated in the first accommodating space 1423, and part of the second sealing portion 1132 is accommodated in the second accommodating space 1424.
参图23，本申请实施方式还提供了一种电子装置100b。所述电子装置100b包括上述所述的电池10a。Referring to FIG. 23, the embodiment of the present application also provides an electronic device 100b. The electronic device 100b includes the battery 10a described above.
其中，所述电子装置100b可以是移动电子设备、储能设备、电动汽车、混合动力电动汽车等。所述移动电子设备可以是移动电话、穿戴式电子设备、平板电脑、笔记本电脑等。Wherein, the electronic device 100b may be a mobile electronic device, an energy storage device, an electric vehicle, a hybrid electric vehicle, and the like. The mobile electronic device may be a mobile phone, a wearable electronic device, a tablet computer, a notebook computer, and the like.
参图36，本申请还公开了一种电池10c。请一并参图37、图38和图39，所述电池10c包括电芯11。所述电芯11包括包装袋111。所述包装袋111包括主体部112a、顶封部113a及至少一侧封部114a。所述主体部112a包括顶面1121、背对所述顶面1121的底面1122及连接于所述顶面1121和所述底面1122之间的侧面1123。所述顶封部113a由所述顶面1121延伸出。所述侧封部114a由所述侧面1123延伸出，并在所述电池10c的长度方向(即X轴方向)上向外延伸以连接所述顶封部113a。所述顶封部113a和所述侧封部114a的相交处设有第一缺部115。所述侧封部114a沿所述侧封部114a与所述主体部112a相交的连接边116朝所述侧面1123折叠。所述顶封部113a及所述侧封部114a和所述顶封部113a相交部分朝所述顶面1121折叠，且所述顶封部113a在所述电池10c的所述顶面1121所在平面上的投影全部位于所述顶面1121的范围内。Referring to Fig. 36, the present application also discloses a battery 10c. Please refer to FIG. 37, FIG. 38 and FIG. 39 together. The battery 10 c includes a battery cell 11. The battery cell 11 includes a packaging bag 111. The packaging bag 111 includes a main body 112a, a top sealing part 113a, and at least one side sealing part 114a. The main body 112a includes a top surface 1121, a bottom surface 1122 facing away from the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122. The top seal portion 113 a extends from the top surface 1121. The side sealing portion 114a extends from the side surface 1123 and extends outward in the length direction of the battery 10c (that is, the X-axis direction) to connect to the top sealing portion 113a. A first notch 115 is provided at the intersection of the top seal portion 113a and the side seal portion 114a. The side sealing portion 114a is folded toward the side surface 1123 along the connecting edge 116 where the side sealing portion 114a and the main body 112a intersect. The intersection of the top seal portion 113a and the side seal portion 114a and the top seal portion 113a are folded toward the top surface 1121, and the top seal portion 113a is on the plane where the top surface 1121 of the battery 10c is located. The projections on are all located within the range of the top surface 1121.
其中，参图37、图42和图43，所述第一缺部115不限于呈弧形、三角形、梯形和矩形等规则形状或其他不规则形状。Wherein, referring to FIG. 37, FIG. 42 and FIG. 43, the first notch 115 is not limited to a regular shape such as an arc, a triangle, a trapezoid, a rectangle, or other irregular shapes.
本申请中的电池10c通过在顶封部113a和侧封部114a的相交处开设第一缺部115，避免折叠后的顶封部113a和侧封部114a相对所述电池10c凸出，节省了电池10c的封装空间。如此，在将电池10c应用于电子装置100c中时(参图23)，例如，将电池10c收容于所述电子装置100c中的电池仓(图未示)时，由于本申请电池10c中顶封部113a和侧封部114a在折叠后不会相对所述电池10c凸出，方便了电池10c安装的同时，还降低了所述电池10c在所述电池仓的空间占用率，提高了所述电池仓的空间利用率。In the battery 10c of the present application, a first notch 115 is provided at the intersection of the top seal portion 113a and the side seal portion 114a to prevent the folded top seal portion 113a and the side seal portion 114a from protruding relative to the battery 10c, thereby saving The packaging space of the battery 10c. In this way, when the battery 10c is applied to the electronic device 100c (refer to FIG. 23), for example, when the battery 10c is housed in the battery compartment (not shown) in the electronic device 100c, the battery 10c of the present application is sealed in the top The portion 113a and the side seal portion 114a will not protrude relative to the battery 10c after being folded, which facilitates the installation of the battery 10c, reduces the space occupancy rate of the battery 10c in the battery compartment, and improves the battery 10c. The space utilization rate of the warehouse.
其中，参图36和图37，所述Y轴方向垂直于所述X轴方向。Wherein, referring to FIGS. 36 and 37, the Y-axis direction is perpendicular to the X-axis direction.
在一些实施方式中，参图44和图45，所述侧封部114a包括靠近所述第一缺部115的角位部1141。其中，所述角位部1141朝所述顶封部113a折叠；或者，所述角位部1141上开设有第二缺部1142。In some embodiments, referring to FIGS. 44 and 45, the side sealing portion 114 a includes a corner portion 1141 close to the first notch 115. Wherein, the corner portion 1141 is folded toward the top seal portion 113a; or, the corner portion 1141 is provided with a second notch 1142.
其中，参图44，所述第二缺部1142不限于呈三角形、弧形、梯形和矩形等规则形状或其他不规则形状。Wherein, referring to FIG. 44, the second notch 1142 is not limited to a regular shape such as a triangle, an arc, a trapezoid, a rectangle, or other irregular shapes.
参图37和图38，在一些实施方式中，所述包装袋111包括两所述侧封部114a。两所述侧封部114a背对设置。在另一些实施方式中，所述包装袋111包括一所述侧封部114a。Referring to FIGS. 37 and 38, in some embodiments, the packaging bag 111 includes two side seals 114a. The two side seal portions 114a are arranged opposite to each other. In other embodiments, the packaging bag 111 includes a side seal 114a.
参图37和图40，所述电芯11还包括电极组件117和极耳118。所述电极组件117收容于所述主体部112a内。所述极耳118电连接于所述电极组件117，并由所述顶封部113a内延伸出。Referring to FIGS. 37 and 40, the battery cell 11 further includes an electrode assembly 117 and a tab 118. The electrode assembly 117 is housed in the main body 112a. The tab 118 is electrically connected to the electrode assembly 117 and extends from the top seal portion 113a.
参图36和图41，所述电池10c还包括电路板12。所述电路板12设置于所述顶面1121，并电连接于所述极耳118。Referring to FIGS. 36 and 41, the battery 10 c further includes a circuit board 12. The circuit board 12 is disposed on the top surface 1121 and is electrically connected to the tab 118.
其中，参图36和图41，所述电路板12背对所述顶面1121的表面设置有电连接件13c。所述电连接件13c电连接于所述极耳118。Wherein, referring to FIGS. 36 and 41, the surface of the circuit board 12 opposite to the top surface 1121 is provided with an electrical connector 13c. The electrical connector 13c is electrically connected to the tab 118.
下面通过实施例对本申请的电池10c进行具体说明。Hereinafter, the battery 10c of the present application will be described in detail through an embodiment.
实施例3.1Example 3.1
参图36和图37，一种电池10c所述电池10c包括电芯11。所述电芯11包括包装袋111。所述包装袋111包括主体部112a、顶封部113a及两背对设置的侧封部114a。Referring to FIGS. 36 and 37, a battery 10c. The battery 10c includes a battery cell 11. The battery cell 11 includes a packaging bag 111. The packaging bag 111 includes a main body 112a, a top seal 113a, and two side seals 114a arranged opposite to each other.
参图37，所述主体部112a包括顶面1121、背对所述顶面1121的底面1122及连接于所述顶面1121和所述底面1122之间的侧面1123。在实施例3.1中，所述主体部112a大致呈长方体结构。在其他实施方式中，所述主体部112a呈柱状等规则结构或其他不规则结构。Referring to FIG. 37, the main body portion 112 a includes a top surface 1121, a bottom surface 1122 opposite to the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122. In Example 3.1, the main body 112a has a substantially rectangular parallelepiped structure. In other embodiments, the main body 112a has a regular structure such as a columnar shape or other irregular structures.
参图37，所述顶封部113a由所述顶面1121延伸出。每一侧封部114a由所述侧面1123延伸出，并在所述电池10c的长度方向上向外延伸以连接所述顶封部113a。Referring to FIG. 37, the top seal portion 113 a extends from the top surface 1121. Each side sealing portion 114a extends from the side surface 1123 and extends outward in the length direction of the battery 10c to connect to the top sealing portion 113a.
在实施例3.1中，参图36、图37、图38和图39，所述顶封部113a和所述侧封部114a的相交处设有第一缺部115。所述侧封部114a沿所述侧封部114a与所述主体部112a相交的连接边116朝所述侧面1123折叠。所述顶封部113a及所述侧封部114a和所述顶封部113a相交部分朝所述顶面1121折叠，且所述顶封部113a在所述电池10c的长度方向上的投影全部位于所述顶面1121的范围内。In Embodiment 3.1, referring to Figure 36, Figure 37, Figure 38 and Figure 39, a first notch 115 is provided at the intersection of the top seal portion 113a and the side seal portion 114a. The side sealing portion 114a is folded toward the side surface 1123 along the connecting edge 116 where the side sealing portion 114a and the main body 112a intersect. The intersection of the top seal portion 113a and the side seal portion 114a and the top seal portion 113a is folded toward the top surface 1121, and the projection of the top seal portion 113a in the length direction of the battery 10c is all located Within the range of the top surface 1121.
其中，参图37，所述第一缺部115呈弧形。Wherein, referring to FIG. 37, the first notch 115 is arc-shaped.
参图37和图40，所述电芯11还包括电极组件117和两极耳118。所述电极组件117收容于所述主体部112a内。两所述极耳118电连接于所述电极组件117，并由所述顶封部113a内延伸出。Referring to FIGS. 37 and 40, the battery cell 11 further includes an electrode assembly 117 and two tabs 118. The electrode assembly 117 is housed in the main body 112a. The two tabs 118 are electrically connected to the electrode assembly 117 and extend from the top seal portion 113a.
其中，所述电芯11还包括电解液(图未示)。所述电解液收容于所述主体部112a内。Wherein, the battery cell 11 also includes an electrolyte (not shown in the figure). The electrolyte is contained in the main body 112a.
所述电极组件117可为现有技术中常见的结构。The electrode assembly 117 may be a common structure in the prior art.
示例性的，参图37和图40，所述电极组件117包括正极片1171、隔离膜1172及负极片1173。所述正极片1171、所述隔离膜1172及所述负极片1173经卷绕或层叠形成所述电极组件117。其中，其中一所述极耳118电连接于所述正极片1171，另一所述极耳118电连接于所述负极片1173。Exemplarily, referring to FIGS. 37 and 40, the electrode assembly 117 includes a positive electrode sheet 1171, a separator film 1172 and a negative electrode sheet 1173. The positive electrode sheet 1171, the separator film 1172, and the negative electrode sheet 1173 are wound or laminated to form the electrode assembly 117. Wherein, one of the tabs 118 is electrically connected to the positive electrode sheet 1171, and the other of the tabs 118 is electrically connected to the negative electrode sheet 1173.
所述电池10c还包括电路板12。所述电路板12背对所述顶面1121的表面设置有两电连接件13c。其中，所述电路板12设置于所述顶面1121，且两所述电连接件13c电连接于对应的极耳118。The battery 10c also includes a circuit board 12. The surface of the circuit board 12 opposite to the top surface 1121 is provided with two electrical connectors 13c. Wherein, the circuit board 12 is disposed on the top surface 1121, and the two electrical connectors 13c are electrically connected to the corresponding tabs 118.
实施例3.2Example 3.2
实施例3.2与实施例3.1的区别在于，第一缺部115的形状。The difference between embodiment 3.2 and embodiment 3.1 lies in the shape of the first notch 115.
在实施例3.2中，参图42，所述第一缺部115呈三角形。In Embodiment 3.2, referring to FIG. 42, the first notch 115 is triangular.
实施例3.3Example 3.3
实施例3.3与实施例3.1的区别在于，第一缺部115的形状。The difference between Embodiment 3.3 and Embodiment 3.1 lies in the shape of the first notch 115.
在实施例3.3中，参图43，所述第一缺部115呈矩形。In Embodiment 3.3, referring to FIG. 43, the first notch 115 is rectangular.
实施例3.4Example 3.4
实施例3.4与实施例3.1的区别在于，第一侧封部114a。The difference between embodiment 3.4 and embodiment 3.1 lies in the first side seal 114a.
在实施例3.4中，参图44，所述侧封部114a包括靠近所述第一缺部115的角位部1141。其中，所述角位部1141上开设有第二缺部1142。In Embodiment 3.4, referring to FIG. 44, the side sealing portion 114 a includes a corner portion 1141 close to the first notch 115. Wherein, the corner portion 1141 is provided with a second notch 1142.
在实施例3.4中，所述第二缺部1142呈三角形。In Example 3.4, the second notch 1142 is triangular.
在其他实施方式中，所述第二缺部1142不限于呈弧形、梯形和矩形等规则形状或其他不规则形状。In other embodiments, the second notch 1142 is not limited to a regular shape such as an arc, a trapezoid, a rectangle, or other irregular shapes.
在实施例3.4中，通过在角位部1141上开设第二缺部1142，避免了所述侧封部114a的角位部1141与所述电路板12重叠设置，而导致的电池10c在长度方向上的空间浪费问题，从而提高了电池10c在长度方向上的空间利用率，提升了电池容量。In Embodiment 3.4, by opening the second notch 1142 on the corner portion 1141, it is avoided that the corner portion 1141 of the side seal portion 114a is overlapped with the circuit board 12, resulting in the battery 10c being in the longitudinal direction. Due to the problem of waste of space, the space utilization rate of the battery 10c in the length direction is improved, and the battery capacity is improved.
实施例3.5Example 3.5
实施例3.5与实施例3.1的区别在于，第一侧封部114a。The difference between embodiment 3.5 and embodiment 3.1 lies in the first side seal 114a.
在实施例3.5中，参图45，所述侧封部114a包括靠近所述第一缺部115的角位部1141。其中，所述角位部1141朝所述顶封部113a折叠。In Embodiment 3.5, referring to FIG. 45, the side sealing portion 114 a includes a corner portion 1141 close to the first notch 115. Wherein, the corner portion 1141 is folded toward the top seal portion 113a.
在实施例3.5中，通过折叠角位部1141，避免了所述侧封部114a的角位部1141与所述电路板12重叠设置，而导致的电池10c在长度方向上的空间浪费问题，从而提高了电池10c在长度方向上的空间利用率，提升了电池容量。In Embodiment 3.5, by folding the corner portion 1141, the corner portion 1141 of the side sealing portion 114a and the circuit board 12 are overlapped, which causes the waste of space in the length direction of the battery 10c, thereby avoiding the problem of waste of space in the length direction of the battery 10c. The space utilization rate of the battery 10c in the length direction is improved, and the battery capacity is improved.
参图23，本申请实施方式还提供了一种电子装置100c。所述电子装置100c包括上述所述的电池10c。Referring to FIG. 23, the embodiment of the present application also provides an electronic device 100c. The electronic device 100c includes the battery 10c described above.
其中，所述电子装置100c可以是移动电子设备、储能设备、电动汽车、混合动力电动汽车等。所述移动电子设备可以是移动电话、穿戴式电子设备、平板电脑、笔记本电脑等。Wherein, the electronic device 100c may be a mobile electronic device, an energy storage device, an electric vehicle, a hybrid electric vehicle, and the like. The mobile electronic device may be a mobile phone, a wearable electronic device, a tablet computer, a notebook computer, and the like.
参图46，本申请还公开了一种电池10d。所述电池10d包括电芯11及电连接所述电芯11的电路板12。请一并参图47和图48，所述电芯11包括包装袋111。所述包装袋111包括主体部112a及顶封部113a。所述主体部112a包括顶面1121。所述顶封部113a由所述顶面1121延伸出，并朝所述顶面1121折叠。所述顶封部113a包括两相对设置的第一密封部1131和第二密封部1132以及连接于所述第一密封部1131和所述第二密封部1132之间的第三密封部1133。所述第一密封部1131和所述第二密封部1132分别朝所述第三密封部1133折叠。所述电路板12设置于部分所述第三密封部1133和部分所述顶面1121所构成的表面上。其中，所述电路板12包括柔性电路板126及设置于所述柔性电路板126朝向所述顶面1121一侧的补强板127。所述第一密封部1131、第二密封部1132和所述补强板127在所述电池10d的顶面所在平面的投影不重叠。Referring to Fig. 46, this application also discloses a battery 10d. The battery 10d includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11. Please refer to FIG. 47 and FIG. 48 together. The battery cell 11 includes a packaging bag 111. The packaging bag 111 includes a main body 112a and a top seal 113a. The main body 112a includes a top surface 1121. The top sealing portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121. The top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132. The first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133. The circuit board 12 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121. The circuit board 12 includes a flexible circuit board 126 and a reinforcing plate 127 disposed on the side of the flexible circuit board 126 facing the top surface 1121. The projections of the first sealing portion 1131, the second sealing portion 1132, and the reinforcing plate 127 on the plane where the top surface of the battery 10d is located do not overlap.
其中，参图47，所述电池10d的长度方向为X轴方向，所述电池10d的厚度方向为Y轴方向。所述Y轴方向垂直于所述X轴方向。Wherein, referring to FIG. 47, the length direction of the battery 10d is the X-axis direction, and the thickness direction of the battery 10d is the Y-axis direction. The Y-axis direction is perpendicular to the X-axis direction.
本申请中通过改变所述补强板127的结构，以与所述第一密封部1131和所述第二密封部1132配合，避免所述第一密封部1131和所述第二密封部1132与所述电路板12的重叠设置，而导致的电池10d在长度方向(即X轴方向)上的空间浪费的问题，提高了所述电池10d在长度方向上的空间利用率，从而达到提升电池容量的目的。In the present application, the structure of the reinforcing plate 127 is changed to cooperate with the first sealing portion 1131 and the second sealing portion 1132, so as to prevent the first sealing portion 1131 and the second sealing portion 1132 from interacting with each other. The overlapping arrangement of the circuit boards 12 causes the problem of wasting space in the length direction of the battery 10d (that is, the X-axis direction), which improves the space utilization of the battery 10d in the length direction, thereby achieving an increase in battery capacity the goal of.
进一步地，参图46，所述电路板12背对所述电芯11的表面设置有电连接件121a。所述电连接件121a电连接所述电芯11。Furthermore, referring to FIG. 46, an electrical connector 121 a is provided on the surface of the circuit board 12 facing away from the battery core 11. The electrical connector 121a is electrically connected to the battery core 11.
下面通过实施例对本申请中的电池10d进行具体说明。Hereinafter, the battery 10d in the present application will be described in detail through an embodiment.
实施例4.1Example 4.1
参图46，一种电池10d包括电芯11及电连接所述电芯11的电路板12。Referring to FIG. 46, a battery 10d includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11.
参图47和图48，所述电芯11包括包装袋111。所述包装袋111包括主体部112a及顶封部113a。所述主体部112a包括顶面1121、背对所述顶面1121的底面1122及连接于所述顶面1121和所述底面1122之间的侧面1123。在实施例4.1中，所述主体部112a呈长方体结构。在其他实施方式中，所述主体部112a不限于呈长方体结构，还可以呈柱状结构等。Referring to FIGS. 47 and 48, the battery cell 11 includes a packaging bag 111. The packaging bag 111 includes a main body 112a and a top seal 113a. The main body 112a includes a top surface 1121, a bottom surface 1122 facing away from the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122. In Embodiment 4.1, the main body 112a has a rectangular parallelepiped structure. In other embodiments, the main body 112a is not limited to a rectangular parallelepiped structure, and may also be a columnar structure.
参图47和图48，所述顶封部113a由所述顶面1121延伸出，并朝所述顶面1121折叠。所述顶封部113a包括两相对设置的第一密封部1131和第二密封部1132以及连接于所述第一密封部1131和所述第二密封部1132之间的第三密封部1133。所述第一密封部1131和所述第二密封部1132分别朝所述第三密封部1133折叠。Referring to FIGS. 47 and 48, the top seal portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121. The top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132. The first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133.
在实施例4.1中，参图46、图47、图49和图50，所述电路板12包括柔性电路板126及设置于所述柔性电路板126朝向所述顶面1121一侧的补强板127。所述补强板127设置于部分所述第三密封部1133和部分所述顶面1121所构成的表面上。所述柔性电路板126包括朝向所述第一密封部1131的第一端部1261及朝向所述第二密封部1132的第二端部1262。其中，在所述电池10d的宽度方向(即Z轴方向)上，所述第一端部1261相对所述补强板127凸出，以与所述补强板127一起形成第一容置空间1263。所述第二端部1262相对所述补强板127凸出，以与所述补强板127一起形成第二容置空间1264。部分所述第一密封部1131收容于所述第一容置空间1263，部分所述第二密封部1132收容于所述第二容置空间1264。此时，所述第一密封部1131、所述第二密封部1132和所述补强板127在所述电池10d的顶面1121所在平面的投影不重叠。In Embodiment 4.1, referring to FIGS. 46, 47, 49, and 50, the circuit board 12 includes a flexible circuit board 126 and a reinforcing plate disposed on the side of the flexible circuit board 126 facing the top surface 1121 127. The reinforcing plate 127 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121. The flexible circuit board 126 includes a first end 1261 facing the first sealing portion 1131 and a second end 1262 facing the second sealing portion 1132. Wherein, in the width direction of the battery 10d (ie, the Z-axis direction), the first end 1261 protrudes relative to the reinforcing plate 127 to form a first accommodating space together with the reinforcing plate 127 1263. The second end portion 1262 protrudes relative to the reinforcing plate 127 to form a second accommodating space 1264 together with the reinforcing plate 127. Part of the first sealing portion 1131 is accommodated in the first accommodating space 1263, and part of the second sealing portion 1132 is accommodated in the second accommodating space 1264. At this time, the projections of the first sealing portion 1131, the second sealing portion 1132, and the reinforcing plate 127 on the plane where the top surface 1121 of the battery 10d is located do not overlap.
其中，所述Z轴方向垂直于所述X轴方向和所述Y轴方向。Wherein, the Z-axis direction is perpendicular to the X-axis direction and the Y-axis direction.
本申请中通过将所述补强板127相对所述柔性电路板126内缩，为所述第一密封部1131和所述第二密封部1132创造出***述第一密封部1131的第一容置空间1263和***述第二密封部1132的所述第二容置空间1264，如此大大提高了所述电池10d在长度方向上的空间利用率，从而起到提升电池容量的目的。In this application, by retracting the reinforcing plate 127 relative to the flexible circuit board 126, a first sealing portion 1131 is created for the first sealing portion 1131 and the second sealing portion 1132. The accommodating space 1263 and the second accommodating space 1264 for accommodating the second sealing portion 1132 greatly improve the space utilization of the battery 10d in the length direction, thereby achieving the purpose of increasing the battery capacity.
在实施例4.1中，参图47和图48，所述包装袋111还包括两背对设置的侧封部114a。两所述侧封部114a均由所述侧面1123延伸出，并分别连接所述第一密封部1131和所述第二密封部1132。两所述侧封部114a分别朝所述侧面1123折叠。在一些实施方式中，两所述侧封部114a中的至少之一可省略。In Embodiment 4.1, referring to Figs. 47 and 48, the packaging bag 111 further includes two side seals 114a arranged opposite to each other. The two side sealing portions 114a both extend from the side surface 1123, and are connected to the first sealing portion 1131 and the second sealing portion 1132, respectively. The two side sealing portions 114a are respectively folded toward the side surface 1123. In some embodiments, at least one of the two side seal portions 114a can be omitted.
进一步地，参图46、图47和图49，所述柔性电路板126背对所述补强板127的表面设置有两个电连接件121a。所述电芯11还包括第一极耳115a及与所述第一极耳115a极性不同的第二极耳116a。所述第一极耳115a和所述第二极耳116a由所述第三密封部1133内延伸出，并分别电连接两所述电连接件121a。Further, referring to FIGS. 46, 47 and 49, the surface of the flexible circuit board 126 facing away from the reinforcing plate 127 is provided with two electrical connectors 121a. The cell 11 further includes a first tab 115a and a second tab 116a with a different polarity from the first tab 115a. The first tab 115a and the second tab 116a extend from the third sealing portion 1133, and are electrically connected to the two electrical connectors 121a, respectively.
其中，所述电芯11还包括电极组件(图未示)及电解液(图未示)。所述电极组件和所述电解液收容于所述主体部112a内。Wherein, the cell 11 further includes an electrode assembly (not shown in the figure) and an electrolyte (not shown in the figure). The electrode assembly and the electrolyte are contained in the main body 112a.
所述电极组件可为现有技术中常见的结构。The electrode assembly may be a common structure in the prior art.
示例性的，所述电极组件包括正极片、隔离膜及负极片。所述正极片、所述隔离膜和所述负极片经卷绕或层叠形成所述电极组件。其中，所述第一极耳115a电连接所述正极片，所述第二极耳116a电连接所述负极片。Exemplarily, the electrode assembly includes a positive electrode sheet, a separator film, and a negative electrode sheet. The positive electrode sheet, the separator film and the negative electrode sheet are wound or laminated to form the electrode assembly. Wherein, the first tab 115a is electrically connected to the positive electrode sheet, and the second tab 116a is electrically connected to the negative electrode sheet.
进一步地，参图46和图50，所述电路板12还包括外接件128。所述外接件128电连接所述柔性电路板126。其中，所述外接件128为端子线、金手指或连接器。Furthermore, referring to FIGS. 46 and 50, the circuit board 12 further includes an external component 128. The external component 128 is electrically connected to the flexible circuit board 126. Wherein, the external component 128 is a terminal wire, a golden finger or a connector.
参图51，本申请实施方式还公开了一种电池20a。所述电池20a包括电芯11及电连接所述电芯11的电路板12。请一并参图 52和图53，所述电芯11包括包装袋111。所述包装袋111包括主体部112a及顶封部113a。所述主体部112a包括顶面1121。所述顶封部113a由所述顶面1121延伸出，并朝所述顶面1121折叠。所述顶封部113a包括两相对设置的第一密封部1131和第二密封部1132以及连接于所述第一密封部1131和所述第二密封部1132之间的第三密封部1133。所述第一密封部1131和所述第二密封部1132分别朝所述第三密封部1133折叠。所述电路板12设置于部分所述第三密封部1133和部分所述顶面1121所构成的表面上。其中，所述第一密封部1131、所述第二密封部1132和所述电路板12在所述顶面1121所在平面的投影不重叠(参图53、图55、图56、图57和图58)。Referring to FIG. 51, the embodiment of the present application also discloses a battery 20a. The battery 20a includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11. Please refer to FIG. 52 and FIG. 53 together. The battery cell 11 includes a packaging bag 111. The packaging bag 111 includes a main body 112a and a top seal 113a. The main body 112a includes a top surface 1121. The top sealing portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121. The top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132. The first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133. The circuit board 12 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121. Wherein, the projections of the first sealing portion 1131, the second sealing portion 1132 and the circuit board 12 on the plane where the top surface 1121 is located do not overlap (see Figure 53, Figure 55, Figure 56, Figure 57 and Figures 58).
本申请中通过所述第一密封部1131、所述第二密封部1132和所述电路板12在顶面1121所在平面的投影不重叠的设计，避免所述第一密封部1131和所述第二密封部1132与所述电路板12的重叠设置，而导致的电池20a在长度方向(即X轴方向)上的空间浪费的问题，提高了所述电池10d在长度方向上的空间利用率，进而达到提升电池容量的目的。In this application, the projections of the first sealing portion 1131, the second sealing portion 1132, and the circuit board 12 on the plane where the top surface 1121 is located are not overlapped to avoid the first sealing portion 1131 and the second sealing portion 1131. The overlapping arrangement of the second sealing portion 1132 and the circuit board 12 causes the problem of wasting space in the length direction (that is, the X-axis direction) of the battery 20a, which improves the space utilization rate of the battery 10d in the length direction. In turn, the purpose of increasing the battery capacity is achieved.
进一步地，参图56，所述电路板12背对所述电芯11的表面设置有电连接件121a。所述电连接件121a电连接所述电芯11。Further, referring to FIG. 56, an electrical connector 121 a is provided on the surface of the circuit board 12 facing away from the battery core 11. The electrical connector 121a is electrically connected to the battery core 11.
下面通过实施例对本申请中的电池20a进行具体说明。Hereinafter, the battery 20a in the present application will be described in detail through embodiments.
实施例4.2Example 4.2
参图51，一种电池20a包括电芯11及电连接所述电芯11的电路板12。Referring to FIG. 51, a battery 20 a includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11.
请一并参图52和图53，所述电芯11包括包装袋111。所述包装袋111包括主体部112a及顶封部113a。所述主体部112a包括顶面1121、背对所述顶面1121的底面1122及连接于所述顶面1121和所述底面1122之间的侧面1123。在实施例4.2中，所述主体部112a呈长方体结构。在其他实施方式中，所述主体部112a不限于呈长方体结构，还可以呈柱状结构等。Please refer to FIG. 52 and FIG. 53 together. The battery cell 11 includes a packaging bag 111. The packaging bag 111 includes a main body 112a and a top seal 113a. The main body 112a includes a top surface 1121, a bottom surface 1122 facing away from the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122. In Embodiment 4.2, the main body 112a has a rectangular parallelepiped structure. In other embodiments, the main body 112a is not limited to a rectangular parallelepiped structure, and may also be a columnar structure.
请一并参图52和图53，所述顶封部113a由所述顶面1121延伸出，并朝所述顶面1121折叠。所述顶封部113a包括两相对设置的第一密封部1131和第二密封部1132以及连接于所述第一密封部1131和所述第二密封部1132之间的第三密封部1133。所述第一密封部1131和所述第二密封部1132分别朝所述第三密封部1133折叠。Please refer to FIG. 52 and FIG. 53 together. The top seal portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121. The top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132. The first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133.
参图51和图53，所述电路板12设置于部分所述第三密封部1133和部分所述顶面1121所构成的表面上。Referring to FIGS. 51 and 53, the circuit board 12 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121.
在实施例4.2中，参图51、图52和图53，所述第一密封部1131开设有与所述电路板12相对的第一缺口1134，所述第二密封部1132开设有与所述电路板12相对的第二缺口1135。此时，所述第一密封部1131、所述第二密封部1132和所述电路板12在所述顶面1121所在平面的投影不重叠。In Embodiment 4.2, referring to Figures 51, 52 and 53, the first sealing portion 1131 is provided with a first notch 1134 opposite to the circuit board 12, and the second sealing portion 1132 is provided with The second gap 1135 opposite to the circuit board 12. At this time, the projections of the first sealing portion 1131, the second sealing portion 1132, and the circuit board 12 on the plane where the top surface 1121 is located do not overlap.
其中，参图51、图52和图53，本申请中通过在在所述第一密封部1131上开设与所述电路板12相对的第一缺口1134，所述第二密封部1132开设与所述电路板12相对的第二缺口1135的设计，来避免所述第一密封部1131和所述第二密封部1132与所述电路板12的重叠设置，而导致的电池20a在长度方向上的空间浪费的问题，从而提高了所述电池20a在长度方向上的空间利用率，进而达到提升电池容量的目的。Wherein, referring to Figure 51, Figure 52 and Figure 53, in this application, a first gap 1134 opposite to the circuit board 12 is opened on the first sealing portion 1131, and the second sealing portion 1132 is opened with The design of the second notch 1135 opposite to the circuit board 12 is designed to avoid the overlapping arrangement of the first sealing portion 1131 and the second sealing portion 1132 with the circuit board 12, resulting in the battery 20a in the longitudinal direction. The problem of space waste improves the space utilization of the battery 20a in the length direction, thereby achieving the purpose of increasing the battery capacity.
在实施例4.2中，参图52，所述包装袋111还包括两背对设置的侧封部114a。两所述侧封部114a均由所述侧面1123延伸出，并分别连接所述第一密封部1131和所述第二密封部1132。两所述侧封部114a分别朝所述侧面1123折叠。在一些实施方式中，两所述侧封部114a中的至少之一可省略。In Embodiment 4.2, referring to FIG. 52, the packaging bag 111 further includes two side sealing portions 114a arranged opposite to each other. The two side sealing portions 114a both extend from the side surface 1123, and are connected to the first sealing portion 1131 and the second sealing portion 1132, respectively. The two side sealing portions 114a are respectively folded toward the side surface 1123. In some embodiments, at least one of the two side seal portions 114a can be omitted.
进一步地，参图51、图52和图53，所述电路板12背对所述电芯11的表面设置有两个电连接件121a。所述电芯11还包括第一极耳115a及与所述第一极耳115a极性不同的第二极耳116a。所述第一极耳115a和所述第二极耳116a由所述第三密封部1133内延伸出，并分别电连接两所述电连接件121a。Further, referring to FIG. 51, FIG. 52 and FIG. 53, the surface of the circuit board 12 facing away from the battery core 11 is provided with two electrical connectors 121 a. The cell 11 further includes a first tab 115a and a second tab 116a with a different polarity from the first tab 115a. The first tab 115a and the second tab 116a extend from the third sealing portion 1133, and are electrically connected to the two electrical connectors 121a, respectively.
其中，所述电芯11还包括电极组件(图未示)及电解液(图未示)。所述电极组件和所述电解液收容于所述主体部112a内。Wherein, the cell 11 further includes an electrode assembly (not shown in the figure) and an electrolyte (not shown in the figure). The electrode assembly and the electrolyte are contained in the main body 112a.
所述电极组件可为现有技术中常见的结构。The electrode assembly may be a common structure in the prior art.
示例性的，所述电极组件包括正极片、隔离膜及负极片。所述正极片、所述隔离膜和所述负极片经卷绕或层叠形成所述电极组件。其中，所述第一极耳115a电连接所述正极片，所述第二极耳116a电连接所述负极片。Exemplarily, the electrode assembly includes a positive electrode sheet, a separator film, and a negative electrode sheet. The positive electrode sheet, the separator film and the negative electrode sheet are wound or laminated to form the electrode assembly. Wherein, the first tab 115a is electrically connected to the positive electrode sheet, and the second tab 116a is electrically connected to the negative electrode sheet.
实施例4.3Example 4.3
实施例4.3与实施例4.2的区别在于，第一密封部1131和第二密封部1132的结构。即，实施例4.3中的所述第一密封部1131上无实施例4.2中的第一缺口1134，实施例4.3中的所述第二密封部1132上无实施例4.2中的第二缺口1135。The difference between Embodiment 4.3 and Embodiment 4.2 lies in the structure of the first sealing portion 1131 and the second sealing portion 1132. That is, the first sealing portion 1131 in the embodiment 4.3 does not have the first gap 1134 in the embodiment 4.2, and the second sealing portion 1132 in the embodiment 4.3 does not have the second gap 1135 in the embodiment 4.2.
在实施例4.3中，参图54，所述第一密封部1131包括与所述电路板12相对的第一角位部1136。所述第二密封部1132包括与所述电路板12相对的第二角位部1137。所述第一角位部1136上设有第一折痕1138，所述第二角位部1137上设有第二折痕1139。所述第一角位部1136沿所述第一折痕1138折叠，所述第二角位部1137沿所述第二折痕1139折叠，此时，所述第一密封部1131、所述第二密封部1132和所述电路板12在所述顶面1121所在平面的投影不重叠。In Embodiment 4.3, referring to FIG. 54, the first sealing portion 1131 includes a first corner portion 1136 opposite to the circuit board 12. The second sealing portion 1132 includes a second corner portion 1137 opposite to the circuit board 12. The first corner portion 1136 is provided with a first crease 1138, and the second corner portion 1137 is provided with a second crease 1139. The first corner portion 1136 is folded along the first crease 1138, and the second corner portion 1137 is folded along the second crease 1139. At this time, the first sealing portion 1131 The projections of the second sealing portion 1132 and the circuit board 12 on the plane where the top surface 1121 is located do not overlap.
其中，本申请中通过折叠第一角位部1136和第二角位部1137的设计，来避免所述第一密封部1131和所述第二密封部1132与所述电路板12的重叠设置，而导致的电池20a在长度方向上的空间浪费的问题，从而提高了所述电池20a在长度方向上的空间利用率，进而达到提升电池容量的目的。Wherein, in the present application, the design of folding the first corner portion 1136 and the second corner portion 1137 is used to avoid the overlapping arrangement of the first sealing portion 1131 and the second sealing portion 1132 with the circuit board 12. This leads to the problem of wasting space in the length direction of the battery 20a, thereby improving the space utilization rate of the battery 20a in the length direction, thereby achieving the purpose of increasing the battery capacity.
实施例4.4Example 4.4
参图55，一种电池20a包括电芯11及电连接所述电芯11的电路板12。Referring to FIG. 55, a battery 20 a includes a battery core 11 and a circuit board 12 electrically connected to the battery core 11.
参图47和图48，所述电芯11包括包装袋111。所述包装袋111包括主体部112a及顶封部113a。所述主体部112a包括顶面1121、背对所述顶面1121的底面1122及连接于所述顶面1121和所述底面1122之间的侧面1123。在实施例4.4中，所述主体部112a呈长方体结构。在其他实施方式中，所述主体部112a不限于呈长方体结构，还可以呈柱状结构等。Referring to FIGS. 47 and 48, the battery cell 11 includes a packaging bag 111. The packaging bag 111 includes a main body 112a and a top seal 113a. The main body 112a includes a top surface 1121, a bottom surface 1122 facing away from the top surface 1121, and a side surface 1123 connected between the top surface 1121 and the bottom surface 1122. In Embodiment 4.4, the main body 112a has a rectangular parallelepiped structure. In other embodiments, the main body 112a is not limited to a rectangular parallelepiped structure, and may also be a columnar structure.
参图47和图48，所述顶封部113a由所述顶面1121延伸出，并朝所述顶面1121折叠。所述顶封部113a包括两相对设置的第一密封部1131和第二密封部1132以及连接于所述第一密封部1131和所述第二密封部1132之间的第三密封部1133。所述第一密封部1131和所述第二密封部1132分别朝所述第三密封部1133折叠。Referring to FIGS. 47 and 48, the top seal portion 113 a extends from the top surface 1121 and is folded toward the top surface 1121. The top seal portion 113a includes two oppositely disposed first seal portion 1131 and second seal portion 1132, and a third seal portion 1133 connected between the first seal portion 1131 and the second seal portion 1132. The first sealing portion 1131 and the second sealing portion 1132 are respectively folded toward the third sealing portion 1133.
参图47和图55，所述电路板12设置于部分所述第三密封部1133和部分所述顶面1121所构成的表面上。Referring to FIGS. 47 and 55, the circuit board 12 is disposed on a surface formed by a part of the third sealing portion 1133 and a part of the top surface 1121.
在实施例4.4中，参图55，所述电路板12包括第一侧面122a、背对所述第一侧面122a的第二侧面123a、第三侧面124a及背对所述第三侧面124a的第四侧面125a。所述第一侧面122a和所述第二侧面123a分别连接于所述第三侧面124a和所述第四侧面125a之间。所述第一侧面122a上开设有第三缺口1221，所述第二侧面123a上开设有第四缺口1231。部分所述第一密封部1131对应收容于所述第三缺口1221，部分所述第二密封部1132对应收容于所述第四缺口1231。此时，所述第一密封部1131、所述第二密封部1132和所述电路板12在所述顶面1121所在平面的投影不重叠。In Embodiment 4.4, referring to FIG. 55, the circuit board 12 includes a first side 122a, a second side 123a facing away from the first side 122a, a third side 124a, and a second side facing away from the third side 124a. Four sides 125a. The first side surface 122a and the second side surface 123a are connected between the third side surface 124a and the fourth side surface 125a, respectively. The first side surface 122a is provided with a third gap 1221, and the second side surface 123a is provided with a fourth gap 1231. Part of the first sealing portion 1131 is correspondingly received in the third notch 1221, and part of the second sealing portion 1132 is correspondingly received in the fourth notch 1231. At this time, the projections of the first sealing portion 1131, the second sealing portion 1132, and the circuit board 12 on the plane where the top surface 1121 is located do not overlap.
其中，本申请中通过在所述电路板12与所述第一密封部1131和所述第二密封部1132的重叠区域做避空设计(即，在电路板12上开设第一缺口1134和所述第二缺口1135的设计)，来避免所述第一密封部1131和所述第二密封部1132与所述电路板12的重叠设置，而导致的电池20a在长度方向上的空间浪费的问题，从而提高了所述电池20a在长度方向上的空间利用率，进而达到提升电池容量的目的。Wherein, in the present application, an avoidance design is made in the overlapping area of the circuit board 12 and the first sealing portion 1131 and the second sealing portion 1132 (that is, the first gap 1134 and the first gap 1134 are opened on the circuit board 12). The design of the second notch 1135) to avoid the overlapping arrangement of the first sealing portion 1131 and the second sealing portion 1132 with the circuit board 12, which causes the problem of wasting space in the length direction of the battery 20a Therefore, the space utilization rate of the battery 20a in the length direction is improved, thereby achieving the purpose of increasing the battery capacity.
在实施例4.4中，参图55，所述第三缺口1221呈三角形，所述第四缺口1231呈三角形。In Embodiment 4.4, referring to FIG. 55, the third gap 1221 is triangular, and the fourth gap 1231 is triangular.
参图56，在一些实施方式中，所述第三缺口1221呈弧形，所述第四缺口1231呈弧形。Referring to FIG. 56, in some embodiments, the third notch 1221 is arc-shaped, and the fourth notch 1231 is arc-shaped.
在其他实施方式中，所述第三缺口1221呈半圆形、六边形或八边形，所述第四缺口1231呈半圆形、六边形或八边形。In other embodiments, the third gap 1221 is semicircular, hexagonal or octagonal, and the fourth gap 1231 is semicircular, hexagonal or octagonal.
在实施例4.4中，参图47和图48，所述包装袋111还包括两背对设置的侧封部114a。两所述侧封部114a均由所述侧面1123延伸出，并分别连接所述第一密封部1131和所述第二密封部1132。两所述侧封部114a分别朝所述侧面1123折叠。在一些实施方式中，两所述侧封部114a中的至少之一可省略。In the embodiment 4.4, referring to FIGS. 47 and 48, the packaging bag 111 further includes two side sealing portions 114a arranged opposite to each other. The two side sealing portions 114a both extend from the side surface 1123, and are connected to the first sealing portion 1131 and the second sealing portion 1132, respectively. The two side sealing portions 114a are respectively folded toward the side surface 1123. In some embodiments, at least one of the two side seal portions 114a can be omitted.
进一步地，参图47和图55，所述电路板12背对所述电芯11的表面设置有两个电连接件121a。所述电芯11还包括第一极耳115a及与所述第一极耳115a极性不同的第二极耳116a。所述第一极耳115a和所述第二极耳116a由所述第三密封部1133内延伸出，并分别电连接两所述电连接件121a。Furthermore, referring to FIGS. 47 and 55, the circuit board 12 is provided with two electrical connectors 121 a on the surface of the circuit board 12 facing away from the battery core 11. The cell 11 further includes a first tab 115a and a second tab 116a with a different polarity from the first tab 115a. The first tab 115a and the second tab 116a extend from the third sealing portion 1133, and are electrically connected to the two electrical connectors 121a, respectively.
其中，所述电芯11还包括电极组件(图未示)及电解液(图未示)。所述电极组件和所述电解液收容于所述主体部112a内。Wherein, the cell 11 further includes an electrode assembly (not shown in the figure) and an electrolyte (not shown in the figure). The electrode assembly and the electrolyte are contained in the main body 112a.
所述电极组件可为现有技术中常见的结构。The electrode assembly may be a common structure in the prior art.
示例性的，所述电极组件包括正极片、隔离膜及负极片。所述正极片、所述隔离膜和所述负极片经卷绕或层叠形成所述电极组件。其中，所述第一极耳115a电连接所述正极片，所述第二极耳116a电连接所述负极片。Exemplarily, the electrode assembly includes a positive electrode sheet, a separator film, and a negative electrode sheet. The positive electrode sheet, the separator film and the negative electrode sheet are wound or laminated to form the electrode assembly. Wherein, the first tab 115a is electrically connected to the positive electrode sheet, and the second tab 116a is electrically connected to the negative electrode sheet.
实施例4.5Example 4.5
参图57，实施例4.5与实施例4.4的区别在于，实施例4.5中的所述第三缺口1221开设于所述第三侧面124a和所述第一侧面122a的连接处，实施例4.5中的所述第四缺口1231开设于所述第三侧面124a和所述第二侧面123a的连接处。Referring to Figure 57, the difference between embodiment 4.5 and embodiment 4.4 is that the third gap 1221 in embodiment 4.5 is opened at the junction of the third side surface 124a and the first side surface 122a. The fourth gap 1231 is opened at the junction of the third side surface 124a and the second side surface 123a.
在实施例4.5中，参图58，所述第三缺口1221呈三角形，所述第四缺口1231呈三角形。In Embodiment 4.5, referring to FIG. 58, the third gap 1221 is triangular, and the fourth gap 1231 is triangular.
参图58，在一些实施方式中，所述第三缺口1221呈弧形，所述第四缺口1231呈弧形。Referring to FIG. 58, in some embodiments, the third notch 1221 is arc-shaped, and the fourth notch 1231 is arc-shaped.
在其他实施方式中，所述第三缺口1221呈半圆形、六边形或八边形，所述第四缺口1231呈半圆形、六边形或八边形。In other embodiments, the third gap 1221 is semicircular, hexagonal or octagonal, and the fourth gap 1231 is semicircular, hexagonal or octagonal.
参图59，本申请实施方式还提供了一种电子装置100d。所述电子装置100d包括上述所述的电池10d/20a。Referring to FIG. 59, the embodiment of the present application also provides an electronic device 100d. The electronic device 100d includes the aforementioned battery 10d/20a.
其中，所述电子装置100d可以是移动电子设备、储能设备、电动汽车、混合动力电动汽车等。所述移动电子设备可以是移动电话、穿戴式电子设备、平板电脑、笔记本电脑等。Wherein, the electronic device 100d may be a mobile electronic device, an energy storage device, an electric vehicle, a hybrid electric vehicle, and the like. The mobile electronic device may be a mobile phone, a wearable electronic device, a tablet computer, a notebook computer, and the like.
另外，对于本领域的普通技术人员来说，可以根据本申请的技术构思做出其它各种相应的改变与变形，而所有这些改变与变形都应属于本申请权利要求的保护范围。In addition, for those of ordinary skill in the art, various other corresponding changes and modifications can be made according to the technical concept of the present application, and all these changes and modifications should fall within the protection scope of the claims of the present application.

Claims (35)

  1. 一种电池组件，包括：A battery assembly including:
    电芯主体；Main body of battery
    其特征在于，It is characterized by
    所述电池组件还包括：The battery assembly further includes:
    封装膜，包括：Packaging film, including:
    主体部，包覆所述电芯主体；所述主体部包括第一表面、第二表面、顶壁及侧壁，所述第一表面与所述第二表面相背设置，所述顶壁连接所述第一表面与所述第二表面，所述侧壁连接所述第一表面、所述第二表面及所述顶壁；The main body part covers the main body of the battery; the main body part includes a first surface, a second surface, a top wall and a side wall, the first surface and the second surface are arranged opposite to each other, and the top wall is connected The first surface and the second surface, and the side wall connects the first surface, the second surface, and the top wall;
    顶封边，设置于所述顶壁，且朝所述第一表面方向延伸；The top sealing edge is arranged on the top wall and extends in the direction of the first surface;
    侧封边，设置于所述侧壁，且朝所述第二表面方向延伸；The side sealing edge is arranged on the side wall and extends in the direction of the second surface;
    极耳，包括相背的第一端及第二端，所述第一端连接所述电芯主体，所述第二端位于所述封装膜外；以及The tab includes a first end and a second end opposite to each other, the first end is connected to the battery core body, and the second end is located outside the packaging film; and
    导线及/或柔性电路板，所述导线及/或所述柔性电路板与所述第二端焊接。The wire and/or the flexible circuit board are welded to the second end.
  2. 如权利要求1所述的电池组件，其特征在于，所述顶封边位于所述第一表面与所述第二表面之间。8. The battery assembly of claim 1, wherein the top sealing edge is located between the first surface and the second surface.
  3. 如权利要求1或2所述的电池组件，其特征在于，所述侧封边位于所述第一表面与所述第二表面之间。3. The battery assembly of claim 1 or 2, wherein the side sealing edge is located between the first surface and the second surface.
  4. 如权利要求1所述的电池组件，其特征在于，所述极耳位于所述第一表面与所述第二表面之间。The battery assembly of claim 1, wherein the tab is located between the first surface and the second surface.
  5. 如权利要求1所述的电池组件，其特征在于，所述极耳与所述导线之间以及/或者所述极耳与所述柔性电路板之间通过保护板电连接。8. The battery assembly of claim 1, wherein the tabs and the wires and/or the tabs and the flexible circuit board are electrically connected through a protective plate.
  6. 一种电子装置，其特征在于，包括如权利要求1-5任意一项所述的电池组件。An electronic device, characterized by comprising the battery assembly according to any one of claims 1-5.
  7. 一种电池，包括电芯及电路板，所述电芯包括包装袋和极耳，所述包装袋包括主体部及顶封边，所述主体部包括顶面，所述顶封边由所述顶面延伸出，所述顶封边朝所述主体部方向弯折，并覆盖部分所述顶面；所述极耳由所述顶封边内延伸出；所述电路板设置于所述顶面；其特征在于，A battery includes a battery cell and a circuit board. The battery cell includes a packaging bag and tabs. The packaging bag includes a main body and a top sealing edge. The main body includes a top surface. The top surface extends, and the top sealing edge is bent toward the main body and covers part of the top surface; the tabs extend from the top sealing edge; the circuit board is arranged on the top Noodles; characterized in that,
    所述电路板对应所述极耳的位置设有避空槽，所述极耳朝所述避空槽方向弯折，并电连接所述电路板。The circuit board is provided with an avoidance groove at a position corresponding to the tab, and the tab is bent toward the avoidance slot and is electrically connected to the circuit board.
  8. 如权利要求7所述的电池，其特征在于，所述电路板包括朝向所述顶面的下表面以及背离所述顶面的上表面；所述避空槽贯穿所述上表面和所述下表面，所述极耳与所述电路板电连接于所述上表面。The battery according to claim 7, wherein the circuit board includes a lower surface facing the top surface and an upper surface facing away from the top surface; the avoidance groove penetrates the upper surface and the lower surface. On the surface, the tabs and the circuit board are electrically connected to the upper surface.
  9. 如权利要求7所述的电池，其特征在于，所述极耳在所述顶面的投影全部位于所述顶面内。8. The battery according to claim 7, wherein all projections of the tabs on the top surface are located in the top surface.
  10. 如权利要求8所述的电池，其特征在于，所述电芯包括两所述极耳，所述电路板对应每一所述极耳的位置设有一所述避空槽。8. The battery according to claim 8, wherein the battery cell includes two tabs, and the circuit board is provided with a avoidance slot at a position corresponding to each tab.
  11. 如权利要求10所述的电池，其特征在于，两所述避空槽彼此连通。9. The battery of claim 10, wherein the two avoidance grooves communicate with each other.
  12. 如权利要求10或11所述的电池，其特征在于，所述顶封边内设置有第一密封件和第二密封件，所述第一密封件用于隔离所述顶封边与其中一所述极耳，所述第二密封件用于隔离所述顶封边与另一所述极耳，所述第一密封件位于其中一所述避空槽，所述第二密封件位于另一所述避空槽，其中，所述第一密封件、所述第二密封件和所述电路板在所述顶面的投影不重叠。The battery according to claim 10 or 11, wherein a first sealing member and a second sealing member are provided in the top sealing edge, and the first sealing member is used to isolate the top sealing edge from one of the top sealing edges. The tab, the second seal is used to isolate the top sealing edge from the other tab, the first seal is located in one of the avoidance grooves, and the second seal is located in the other The avoidance groove, wherein the projections of the first sealing member, the second sealing member and the circuit board on the top surface do not overlap.
  13. 一种电池组，包括电路板以及多个水平排列的电芯，每一所述电芯包括包装袋及极耳，所述包装袋包括主体部及顶封边，所述主体部包括顶面，所述顶封边由所述顶面延伸出，所述顶封边朝所述主体部方向弯折，并覆盖部分所述顶面；所述极耳由所述顶封边内延伸出；所述电路板设置于由所述多个水平排列的电芯的顶面所构成的表面上；其特征在于，A battery pack includes a circuit board and a plurality of cells arranged horizontally, each cell includes a packaging bag and tabs, the packaging bag includes a main body part and a top sealing edge, the main body part includes a top surface, The top sealing edge extends from the top surface, the top sealing edge is bent toward the main body portion, and covers part of the top surface; the tabs extend from the top sealing edge; The circuit board is arranged on a surface formed by the top surfaces of the plurality of horizontally arranged electric cores; it is characterized in that,
    所述电路板对应每一所述电芯的极耳的位置设有避空槽，所述极耳朝所述避空槽方向弯折，并电连接所述电路板。The circuit board is provided with an avoidance groove at a position corresponding to the tab of each battery core, and the tab is bent toward the avoidance slot and is electrically connected to the circuit board.
  14. 如权利要求13所述的电池组，其特征在于，每一所述电芯上的极耳在其所在电芯的顶面的投影全部位于所述顶面内。The battery pack according to claim 13, wherein the projections of the tabs on each of the battery cells on the top surface of the battery cell where they are located are all located in the top surface.
  15. 一种电子装置，其特征在于，所述电子装置包括如权利要求7-12中任一项所述的电池。An electronic device, wherein the electronic device comprises the battery according to any one of claims 7-12.
  16. 一种电池，包括电芯及电连接于所述电芯的极耳，所述电芯包括包装袋，所述包装袋包括主体部和顶封部，所述主体部包括顶面，所述顶封部由所述顶面延伸出，并朝所述顶面折叠，所述极耳由所述顶封部内延伸出；A battery includes a battery core and tabs electrically connected to the battery core. The battery core includes a packaging bag. The packaging bag includes a main body and a top seal. The main body includes a top surface. The seal portion extends from the top surface and is folded toward the top surface, and the tabs extend from the top seal portion;
    其特征在于，It is characterized by
    所述电池还包括绝缘件，所述绝缘件包括位于所述顶封部内的内置部以及延伸至所述顶封部外的外延部，所述极耳穿设于所述绝缘件以与所述顶封部隔离，所述外延部连接于所述内置部，并朝所述顶封部弯折；The battery further includes an insulating member, the insulating member including a built-in part located in the top sealing part and an extension part extending outside the top sealing part, and the tabs are penetrated through the insulating part to communicate with the The top seal part is isolated, and the extension part is connected to the built-in part and is bent toward the top seal part;
    所述外延部包括两分别位于所述极耳两侧的边角部，两所述边角部上均设有缺口结构。The extension portion includes two corner portions respectively located on both sides of the tab, and both of the corner portions are provided with a notch structure.
  17. 如权利要求16所述的电池，其特征在于，所述外延部通过裁切所述边角部或者通过折叠所述边角部形成所述缺口结构。16. The battery according to claim 16, wherein the extended portion forms the notch structure by cutting the corner portion or by folding the corner portion.
  18. 如权利要求16所述的电池，其特征在于，所述缺口结构与所述外延部的相交线呈弧线、斜线或多段线。The battery according to claim 16, wherein the intersection line of the notch structure and the extension part is an arc, a diagonal line, or a polyline.
  19. 如权利要求16所述的电池，其特征在于，所述缺口结构与所述外延部的侧边相交于点A，所述缺口结构与所述外延部的顶边相交于点B，所述点A与所述点B的连线与所述外延部的侧边所形成的夹角α满足：110°≤α≤160°。The battery according to claim 16, wherein the notch structure and the side of the extension part intersect at a point A, the notch structure and the top edge of the extension part intersect at a point B, and the point The angle α formed by the line between A and the point B and the side of the extension part satisfies: 110°≤α≤160°.
  20. 如权利要求19所述的电池，其特征在于，所述极耳和所述外延部的交汇点C至所述点B的间距D为0.1mm-1mm。The battery according to claim 19, wherein the distance D from the intersection point C of the tab and the extension part to the point B is 0.1 mm-1 mm.
  21. 如权利要求16所述的电池，其特征在于，所述顶封部包括两相对设置的第一密封部和第二密封部以及连接于所述第一密封部和所述第二密封部之间的第三密封部，所述第一密封部和所述第二密封部分别朝所述第三密封部折叠，所述第三密封部朝所述顶面折叠，所述内置部位于所述第三密封部内。The battery according to claim 16, wherein the top seal portion includes two oppositely disposed first and second seal portions and connected between the first and second seal portions The third sealing part, the first sealing part and the second sealing part are respectively folded towards the third sealing part, the third sealing part is folded towards the top surface, and the built-in part is located at the first sealing part. Three sealed parts.
  22. 如权利要求21所述的电池，其特征在于，所述电池还包括电连接于所述极耳的电路板，所述电路板设置于部分所述顶面和部分所述顶封部所构成的表面。The battery according to claim 21, wherein the battery further comprises a circuit board electrically connected to the tabs, and the circuit board is disposed on a part of the top surface and a part of the top seal. surface.
  23. 如权利要求22所述的电池，其特征在于，所述电路板包括柔性电路板和设置于所述柔性电路板朝向所述顶面的补强板，所 述补强板设置于部分所述第三密封部和部分所述顶面所构成的表面，所述补强板包括朝向所述第一密封部的第一表面及朝向所述第二密封部的第二表面，所述第一表面向内凹陷形成第一收容空间，所述第二表面向内凹陷形成第二收容空间，部分所述第一密封部收容于所述第一收容空间，部分所述第二密封部收容于所述第二收容空间。The battery according to claim 22, wherein the circuit board comprises a flexible circuit board and a reinforcing plate disposed on the flexible circuit board facing the top surface, and the reinforcing plate is disposed on a part of the first The surface formed by the three sealing portions and part of the top surface, the reinforcing plate includes a first surface facing the first sealing portion and a second surface facing the second sealing portion, the first surface facing The inner recess forms a first accommodating space, the second surface is recessed inward to form a second accommodating space, part of the first sealing part is received in the first accommodating space, and part of the second sealing part is received in the first accommodating space. 2. Containment space.
  24. 一种电子装置，其特征在于，所述电子装置包括如权利要求16至23中任一项所述的电池。An electronic device, characterized in that it comprises the battery according to any one of claims 16 to 23.
  25. 一种电池，包括电芯，所述电芯包括包装袋，所述包装袋包括主体部、顶封部及至少一侧封部，所述主体部包括顶面、背对所述顶面的底面及连接于所述顶面和所述底面之间的侧面，所述顶封部由所述顶面延伸出；所述侧封部由所述侧面延伸并连接于所述顶封部，所述侧封部在所述电池的长度方向上向外延伸；A battery includes a battery cell, the battery cell includes a packaging bag, the packaging bag includes a main body, a top seal, and at least one side seal, the main body includes a top surface and a bottom surface opposite to the top surface And a side surface connected between the top surface and the bottom surface, the top seal portion extends from the top surface; the side seal portion extends from the side surface and is connected to the top seal portion, the The side sealing portion extends outward in the length direction of the battery;
    其特征在于，It is characterized by
    所述顶封部与所述侧封部相交处设有第一缺部，所述侧封部沿所述侧封部与所述主体部相交的连接边朝所述侧面折叠；所述顶封部以及所述侧封部与所述顶封部相交部分朝所述顶面折叠，且所述顶封部在所述电池的所述顶面所在平面上的投影全部位于所述顶面的范围内。A first notch is provided at the intersection of the top seal portion and the side seal portion, and the side seal portion is folded toward the side surface along the connecting edge where the side seal portion and the main body portion intersect; the top seal Part and the intersection of the side sealing part and the top sealing part are folded toward the top surface, and the projection of the top sealing part on the plane where the top surface of the battery is located is all in the range of the top surface Inside.
  26. 如权利要求25所述的电池，其特征在于，所述侧封部包括靠近所述第一缺部的角位部，所述角位部朝所述顶封部折叠。The battery according to claim 25, wherein the side sealing portion includes a corner portion close to the first notch, and the corner portion is folded toward the top sealing portion.
  27. 如权利要求25所述的电池，其特征在于，所述侧封部包括靠近所述第一缺部的角位部，所述角位部上开设有第二缺部。The battery according to claim 25, wherein the side sealing portion includes a corner portion close to the first notch, and the corner portion is provided with a second notch.
  28. 如权利要求25所述的电池，其特征在于，所述电芯还包括电极组件和极耳，所述电极组件收容于所述主体部内，所述极耳电连接于所述电极组件，并由所述顶封部内延伸出。The battery according to claim 25, wherein the battery cell further comprises an electrode assembly and a tab, the electrode assembly is housed in the main body, the tab is electrically connected to the electrode assembly, and is electrically connected to the electrode assembly. The top seal portion extends inside.
  29. 一种电子装置，其特征在于，所述电子装置包括如权利要求25至28中任一项所述的电池。An electronic device, wherein the electronic device comprises the battery according to any one of claims 25 to 28.
  30. 一种电池，包括电芯及电连接所述电芯的电路板，所述电芯包括包装袋，所述包装袋包括主体部及顶封部，所述主体部包括顶面，所述顶封部由所述顶面延伸出，并朝所述顶面折叠，所述顶封部包括两相对设置的第一密封部和第二密封部以及连接于所述第一密封部和所述第二密封部之间的第三密封部，所述第一密封部和所述第二密封部分别朝所述第三密封部折叠，所述电路板设置于部分所述第三密封部和部分所述顶面所构成的表面上；A battery includes a battery core and a circuit board electrically connected to the battery core, the battery core includes a packaging bag, the packaging bag includes a main body part and a top seal part, the main body part includes a top surface, and the top seal The part extends from the top surface and is folded toward the top surface. The top seal part includes two oppositely arranged first and second sealing parts and connected to the first and second sealing parts. The third sealing part between the sealing parts, the first sealing part and the second sealing part are respectively folded toward the third sealing part, and the circuit board is disposed on part of the third sealing part and part of the third sealing part. On the surface formed by the top surface;
    其特征在于，It is characterized by
    所述第一密封部和所述第二密封部在所述顶面所在平面的投影不与所述电路板或者所述电路板中的补强区域在所述顶面所在平面的投影重叠。The projections of the first sealing portion and the second sealing portion on the plane where the top surface is located do not overlap with the projections of the circuit board or the reinforced area in the circuit board on the plane where the top surface is located.
  31. 如权利要求30所述的电池，其特征在于，所述第一密封部包括与所述电路板相对的第一角位部，所述第二密封部包括与所述电路板相对的第二角位部，所述第一角位部上设有第一折痕，所述第二角位部上设有第二折痕，所述第一角位部沿所述一折痕折叠，所述第二角位部沿所述第二折痕折叠。The battery of claim 30, wherein the first sealing portion includes a first corner portion opposite to the circuit board, and the second sealing portion includes a second corner portion opposite to the circuit board. The first corner portion is provided with a first crease, the second corner portion is provided with a second crease, the first corner portion is folded along the one crease, the The second corner portion is folded along the second crease.
  32. 如权利要求30所述的电池，其特征在于，所述第一密封部开设有与所述电路板相对的第一缺口，所述第二密封部开设有与所述电路板相对的第二缺口。The battery according to claim 30, wherein the first sealing portion is provided with a first notch opposite to the circuit board, and the second sealing portion is provided with a second notch opposite to the circuit board .
  33. 如权利要求30所述的电池，其特征在于，所述电路板包括第一侧面、背对所述第一侧面的第二侧面、第三侧面及背对所述第三侧面的第四侧面，所述第一侧面和所述第二侧面分别连接于所述第三侧面和所述第四侧面之间，其中，The battery of claim 30, wherein the circuit board comprises a first side surface, a second side surface facing away from the first side surface, a third side surface, and a fourth side surface facing away from the third side surface, The first side surface and the second side surface are respectively connected between the third side surface and the fourth side surface, wherein,
    所述第一侧面上开设有第三缺口，所述第二侧面上开设有第四缺口，部分所述第一密封部对应收容于所述第三缺口，部分所述第二密封部对应收容于所述第四缺口；The first side surface is provided with a third notch, the second side surface is provided with a fourth notch, part of the first sealing part is correspondingly received in the third notch, and part of the second sealing part is correspondingly received in The fourth gap;
    或者，所述第三侧面和所述第一侧面的连接处开设有第三缺口，所述第三侧面和所述第二侧面的连接处开设有第四缺口，部分所述第一密封部对应收容于所述第三缺口，部分所述第二密封部对应收容于所述第四缺口。Alternatively, the third side surface and the first side surface are connected with a third notch, the third side surface and the second side surface are connected with a fourth notch, and part of the first sealing portion corresponds to It is accommodated in the third notch, and part of the second sealing portion is correspondingly accommodated in the fourth notch.
  34. 如权利要求30所述的电池，其特征在于，所述电路板包括柔性电路板和设置于所述柔性电路板朝向所述顶面一侧的补强板，所述补强板对应的区域为所述电路板的补强区域，所述补强板设置于部分所述第三密封部和部分所述顶面所构成的表面上，所述柔性电路板包括朝向所述第一密封部的第一端部及朝向所述第二密封部的第二端部，其中，在所述电池的宽度方向上，所述第一端部相对所述补强板凸出，以与所述补强板一起形成第一容置空间，所述第二端部相对所述补强板凸出，以与所述补强板一起形成第二容置空间，部分所述第一密封部收容于所述第一容置空间，部分所述第二密封部收容于所述第二容置空间。The battery according to claim 30, wherein the circuit board comprises a flexible circuit board and a reinforcing plate arranged on the side of the flexible circuit board facing the top surface, and the area corresponding to the reinforcing plate is In the reinforcing area of the circuit board, the reinforcing plate is disposed on a surface formed by a part of the third sealing portion and a part of the top surface, and the flexible circuit board includes a first sealing portion facing the first sealing portion. One end portion and a second end portion facing the second sealing portion, wherein, in the width direction of the battery, the first end portion protrudes relative to the reinforcing plate so as to be in contact with the reinforcing plate A first accommodating space is formed together, and the second end portion protrudes relative to the reinforcing plate to form a second accommodating space together with the reinforcing plate. Part of the first sealing portion is accommodated in the first accommodating space. An accommodating space, and part of the second sealing portion is accommodated in the second accommodating space.
  35. 一种电子装置，其特征在于，所述电子装置包括如权利要求30至34中任一项所述的电池。An electronic device, characterized in that the electronic device comprises the battery according to any one of claims 30 to 34.
PCT/CN2021/073452 2019-12-06 2021-01-23 Battery, battery assembly, battery pack and electronic apparatus WO2021110179A1 (en)

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CN201922179330.2 2019-12-06
CN201922179330.2U CN211404531U (en) 2019-12-06 2019-12-06 Battery pack and electronic device
CN202021254669.0U CN212907883U (en) 2020-06-30 2020-06-30 Battery and electronic device with same
CN202021254669.0 2020-06-30
CN202021257087.8 2020-06-30
CN202021257087.8U CN212625746U (en) 2020-06-30 2020-06-30 Battery, battery pack, and electronic device
CN202021338803.5U CN212625976U (en) 2020-07-09 2020-07-09 Battery and electronic device with same
CN202021338803.5 2020-07-09
CN202021351823.6U CN212625794U (en) 2020-07-10 2020-07-10 Battery and electronic device with same
CN202021351823.6 2020-07-10

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