CN111786037A - Columnar battery and controller thereof - Google Patents
Columnar battery and controller thereof Download PDFInfo
- Publication number
- CN111786037A CN111786037A CN202010051482.9A CN202010051482A CN111786037A CN 111786037 A CN111786037 A CN 111786037A CN 202010051482 A CN202010051482 A CN 202010051482A CN 111786037 A CN111786037 A CN 111786037A
- Authority
- CN
- China
- Prior art keywords
- controller
- electrode
- lithium ion
- circuit board
- battery
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 116
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 55
- 229910000679 solder Inorganic materials 0.000 claims description 34
- 230000008093 supporting effect Effects 0.000 claims description 25
- 239000003292 glue Substances 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 18
- 238000005476 soldering Methods 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 8
- 238000005452 bending Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
Images
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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The present disclosure discloses a cylindrical battery and a controller thereof, the cylindrical battery including a lithium ion cell and a controller. The controller includes an outer housing and a circuit board. The shell body is made of metal and comprises a cylindrical outer side wall and a limiting baffle formed at one axial end of the outer side wall, an opening is formed at the other end of the shell body opposite to the limiting baffle, a cavity is formed inside the shell body, a through hole is formed in the limiting baffle, and the cavity is communicated with the opening and the through hole. The circuit board is provided with a first surface and a second surface which are opposite, the first surface is provided with an electrode cap, the second surface is provided with a circuit component, the circuit board is positioned in the cavity, and the electrode cap is exposed out of the outer shell through the through hole. The circuit board is connected with the inner face of the limiting baffle.
Description
Technical Field
The present disclosure relates to the field of secondary batteries, and more particularly, to a cylindrical battery and a controller thereof.
Background
Cylindrical batteries, such as No. 5 batteries and No. 7 batteries, are widely used in toys, flashlights, alarm clocks, etc. in daily life. The battery is of various kinds, for example, a nickel-cadmium battery, a nickel-hydrogen battery, a zinc-manganese battery, a lithium ion battery, and the like. In recent years, lithium ion batteries have attracted much attention because of their high energy storage capacity. For energy saving and environmental protection, most of the conventional ion batteries are designed to be rechargeable and recyclable.
The lithium ion battery generally includes an electrode cap, a casing, a battery cell disposed in the casing, and a controller, wherein the casing is connected to a positive electrode or a negative electrode of the battery cell (if connected to the positive electrode of the battery cell, the electrode cap is a negative electrode cap, and conversely, if connected to the negative electrode of the battery cell, the electrode cap is a positive electrode cap), the casing is recessed inward at a position near a top end to form an arched convex platform to support the controller, the electrode cap is mounted above the controller, and the casing and the electrode cap are isolated from each other by an insulating pad. Because the arch boss that the shell need inwards cave in and form need occupy certain space, lead to highly increasing, in order to guarantee that the height of battery is unanimous with the standard, can only sacrifice the height of electric core, and the reduction of electric core height must influence the capacity of battery.
Disclosure of Invention
In order to solve the problem that the battery capacity is affected by arranging an arched boss for supporting a controller on a housing of a columnar battery in the related art, the present disclosure provides a columnar battery and a controller thereof, which can save the installation space of a control circuit board.
The present disclosure provides a controller of a cylindrical battery, including:
the outer shell is made of metal and comprises a cylindrical outer side wall and a limiting baffle formed at one axial end of the outer side wall, an opening is formed in the other end, facing the limiting baffle, of the outer shell, a cavity is formed inside the outer shell, a through hole is formed in the limiting baffle, and the cavity is communicated with the opening and the through hole;
the circuit board, it has relative first surface and second surface, the first surface is provided with the electrode cap, the second surface welds and is equipped with circuit components and parts, the circuit board is located in the cavity, the electrode cap warp the through-hole expose in the shell body, the circuit board with limit baffle's inner face is connected.
Optionally, an opening for filling solder is formed in the periphery of the circuit board, and the solder in the opening is fixedly connected with the circuit board and the outer shell;
the circuit board is connected with the inner face of the limit baffle of the outer shell in a welding mode.
Optionally, the controller further comprises an inner shell, the inner shell is made of metal, a supporting portion for supporting the circuit board is formed at the top end of the inner shell, the inner shell is connected with the circuit board through soldering, and the outer shell is connected with the inner shell in a welding mode.
Optionally, the edge of the first surface of circuit board is provided with the shell pad, the circuit board pass through shell pad welding or crimping in limit baffle's inner face, the border position of the second surface of circuit board is provided with the inner shell pad, the holding surface of supporting part is hugged closely the inner shell pad and with inner shell pad welded connection.
Optionally, the inner shell further includes an annular inner side wall, the support portion is formed at one axial end of the inner side wall and forms an arc-shaped transition portion between the inner side wall, and first gaps for accumulating soldering tin are formed between the transition portion and the outer side wall and between inner shell pads of the circuit board.
Optionally, a second gap for accumulating solder is formed between the inner side wall of the inner housing and the outer side wall of the outer housing, and the first gap and the second gap are communicated with each other.
Optionally, the supporting portion includes a plurality of limiting bent legs formed at the top end of the inner side wall and distributed along the circumferential direction of the inner side wall at intervals, each of the limiting bent legs extends in a bending manner towards the central axis direction of the inner side wall to form a supporting surface for supporting the circuit board, and the arc-shaped transition portion is formed between each of the limiting bent legs and the inner side wall.
Optionally, a groove for accumulating soldering tin is formed between two adjacent limiting bent legs.
Optionally, the electrode cap is a positive electrode cap or a negative electrode cap, and a circle of electrode cap bonding pad for welding the electrode cap is arranged on the first surface of the circuit board.
Optionally, the electrode cap includes the hollow cylindric cap body and forms in the annular brim of a hat of cap body periphery, the controller still includes the electrode cap insulating piece, be provided with the through-hole in the middle of the electrode cap insulating piece, the cap body expose in the through-hole, the electrode cap insulating piece covers limit baffle with the brim of a hat.
Optionally, the bottom of the outer casing exceeds the inner casing, and the exceeding part forms a positioning cylindrical surface structure for abutting against the casing of the lithium ion battery cell.
Optionally, the bottom of the inner housing exceeds the outer housing, and the exceeding part forms a positioning groove for sleeving the battery outer housing.
Optionally, the internal electrode structure further comprises an internal electrode and an internal electrode insulation sheet, wherein the internal electrode insulation sheet is provided with a gap, one end of the internal electrode is welded on the second surface of the circuit board, the other end of the internal electrode penetrates through the gap to be placed on the internal electrode insulation sheet, so that the other end of the internal electrode is insulated from the circuit board, and the internal electrode is electrically connected with the electrode cap through a circuit component of the circuit board;
the cavity is filled with heat-conducting glue, the heat-conducting glue covers the second surface of the circuit board to form a heat-conducting glue layer, and the inner electrode insulation sheet covers the heat-conducting glue layer.
Optionally, the solar cell further comprises an inner electrode, the cavity is filled with heat-conducting glue, the heat-conducting glue covers the second surface of the circuit board to form a heat-conducting glue layer, and the inner electrode is placed on the heat-conducting glue layer.
The present disclosure additionally provides a cylindrical battery, comprising:
a lithium ion cell provided with a positive electrode and a negative electrode; and
the controller of the columnar battery is arranged at the positive end of the lithium ion cell provided with the positive electrode, the outer shell of the controller is electrically connected with the negative electrode of the lithium ion cell, and the inner electrode of the controller is electrically connected with the positive electrode of the lithium ion cell.
Optionally, the lithium ion cell is a soft package cell, a negative electrode arranged at one end of the lithium ion cell is a negative electrode plate, the negative electrode plate extends towards the other end of the lithium ion cell, the lithium ion cell is sleeved into a battery outer shell, the negative electrode plate is welded with the battery outer shell, and an outer shell of the controller is connected with the battery outer shell;
and a positive electrode arranged at the other end of the lithium ion cell is a positive electrode plate, and the positive electrode plate is connected with an inner electrode of the controller.
Optionally, the shell of the lithium ion battery cell is a steel shell, the steel shell of the lithium ion battery cell is a negative electrode of the lithium ion battery cell, and the outer shell of the controller is connected with the steel shell; the lithium ion battery cell is provided with a positive electrode lug boss, the positive electrode is connected with the positive electrode lug boss, and the positive electrode lug boss is connected with an inner electrode of the controller.
The present disclosure additionally provides a cylindrical battery comprising:
a lithium ion cell provided with a positive electrode and a negative electrode; and
in the controller of the cylindrical battery, the controller is arranged at the negative electrode end of the lithium ion battery cell provided with the negative electrode, the outer shell of the controller is electrically connected with the positive electrode of the lithium ion battery cell, and the inner electrode of the controller is electrically connected with the negative electrode of the lithium ion battery cell.
Optionally, the lithium ion battery core is a soft package battery core, a positive electrode arranged at one end of the lithium ion battery core is a positive electrode plate, the positive electrode plate extends towards the other end of the lithium ion battery core, the lithium ion battery core is sleeved into a battery outer shell, the positive electrode plate is welded with the battery outer shell, and an outer shell of the controller is connected with the battery outer shell;
and the negative electrode arranged at the other end of the lithium ion cell is a negative electrode plate, and the negative electrode plate is connected with the inner electrode of the controller.
Optionally, the shell of the lithium ion battery cell is an aluminum shell, the aluminum shell of the lithium ion battery cell is a positive electrode of the lithium ion battery cell, and the outer shell of the controller is connected with the aluminum shell;
the lithium ion battery cell is provided with a negative electrode boss, the negative electrode is connected with the negative electrode boss, and the negative electrode boss is connected with an inner electrode of the controller.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the present disclosure discloses a controller for a cylindrical battery. The controller includes an outer housing and a circuit board. The shell body is made of metal and comprises a cylindrical outer side wall and a limiting baffle formed at one axial end of the outer side wall, an opening is formed at the other end of the shell body opposite to the limiting baffle, a cavity is formed inside the shell body, a through hole is formed in the limiting baffle, and the cavity is communicated with the opening and the through hole. The circuit board is provided with a first surface and a second surface which are opposite, the first surface is provided with an electrode cap, the second surface is provided with a circuit component, the circuit board is positioned in the cavity, the electrode cap is exposed out of the outer shell through the through hole, and the circuit board is connected with the inner surface of the limiting baffle. By means of the limit baffle of shell body, make circuit board and shell body fix, so, with the circuit board location in the cavity of shell body, compare for the traditional support mode that forms arch boss through battery case, shortened the height to can provide bigger space for battery electricity core, keep battery capacity not influenced at least.
The present disclosure further provides a cylindrical battery including the above controller and a lithium ion battery cell. The lithium ion cell is provided with a positive electrode and a negative electrode. The controller is arranged at the positive end of the lithium ion cell, the outer shell of the controller is connected with the shell of the lithium ion cell or the outer shell of the battery, and the inner electrode of the controller is connected with the positive electrode of the lithium ion cell. The columnar battery adopts the controller with the reduced height, so that the columnar battery can provide more sufficient space for the lithium ion battery cell, the capacity of the lithium ion battery cell is kept unaffected, or the lithium ion battery cell with higher height and larger capacity is provided.
The present disclosure further provides a cylindrical battery including the above controller and a lithium ion battery cell. The lithium ion cell is provided with a positive electrode and a negative electrode, the controller is arranged at the negative electrode end of the lithium ion cell, the outer shell of the controller is connected with the shell of the lithium ion cell or the outer shell of the battery, and the inner electrode of the controller is connected with the negative electrode of the lithium ion cell. The columnar battery adopts the controller with the reduced height, so that the controller can provide more sufficient space for the lithium ion battery cell, keep the capacity of the lithium ion battery cell unaffected, or provide the lithium ion battery cell with higher height and larger capacity.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is an exploded view of a controller for a cylindrical battery of the present disclosure in an exemplary embodiment.
Fig. 2 is a schematic sectional view of the assembled controller of the cylindrical battery of fig. 1.
Fig. 3 is an exploded view of the controller of a cylindrical battery of the present disclosure in another exemplary embodiment.
Fig. 4 is a schematic sectional view of the assembled controller of the cylindrical battery of fig. 3.
Fig. 5 is an exploded view of the controller for battery No. 7.
Fig. 6 is a cross-sectional view of the assembled controller for battery No. 7.
Fig. 7 is an exploded view of a cylindrical battery.
Fig. 8 is a schematic structural view of the assembled cylindrical battery.
Fig. 9 is a sectional view of the assembled cylindrical battery.
Fig. 10 is a schematic diagram of the assembled cylindrical battery with the controller placed at the negative terminal of the present disclosure.
Fig. 11 is an exploded view of a pouch-type cylindrical battery with the controller of the present disclosure disposed at the positive terminal.
Fig. 12 is a sectional view of the assembled cylindrical battery of fig. 11.
Fig. 13 is an exploded view of a pouch-type cylindrical cell with the controller of the present disclosure disposed at the negative end.
Fig. 14 is a sectional view of the assembled cylindrical battery of fig. 13.
Detailed Description
For further explanation of the principles and construction of the present disclosure, reference will now be made in detail to the preferred embodiments of the present disclosure, which are illustrated in the accompanying drawings.
In an embodiment, referring to fig. 1 and fig. 2, fig. 1 is an exploded view of a controller of a cylindrical battery according to an exemplary embodiment of the present disclosure, and fig. 2 is a cross-sectional view of the controller of the cylindrical battery of fig. 1 after assembly, wherein the controller 10a includes an outer housing 11a and a circuit board 13a. The circuit board 13a is located within the outer housing 11a.
The outer housing 11a is made of metal, and includes a cylindrical outer wall 111a and a limit stopper 112a formed at one axial end of the outer wall 111a, and an opening is provided at the other end of the outer housing facing the limit stopper 112 a. A cavity is formed in the outer shell 11a, and a through hole is formed in the limit baffle 112a, and the cavity is communicated with the opening and the through hole.
And a circuit board 13a having a first surface and a second surface opposite to the first surface, the first surface being provided with electrode caps 15a, and the second surface being solder-mounted with circuit components. The circuit board 13a is located in the cavity, and the electrode cap 15a is exposed out of the outer shell 11a through the through hole of the limiting baffle 112 a.
The circuit board 13a is connected to the inner surface of the limit stop 112 a. The connection may be performed by soldering, for example, applying solder paste to the inner surface of the limit stop 112a or the edge of the first surface of the circuit board 13a, and then heating and curing the solder paste by reflow soldering, so as to cure and connect the circuit board 13a and the limit stop 112 a. In addition, a tin wire or a tin ball can also be used for welding.
This disclosed scheme makes circuit board 13a and limit baffle 112a fix with the help of the limit baffle of shell body 11a, and then makes circuit board 13a fix with shell body 11a, so, circuit board 13a directly fixes with shell body 11a, compares for the traditional support mode that forms the arch boss through battery case, has shortened the height to can provide bigger space for battery electricity core, keep battery capacity not influenced at least.
The periphery of the circuit board 13a is provided with an opening 133a for filling solder, and the solder in the opening 133a fixedly connects the circuit board 13a and the outer case 11a. The solder can be tin paste or tin solder formed by melting tin wires or tin balls. The solder fills the opening space at the edge of the circuit board 13a, and enlarges the solder paste-coated area or the soldering area between the circuit board 13a and the outer case 11a, thus enhancing the connection strength between the circuit board 13a and the outer case 11a.
The controller 10a also includes an inner electrode 16a and an inner electrode insulation sheet 17a. The internal electrode insulation sheet 17a has a gap, one end of the internal electrode 16a is welded on the second surface of the circuit board 13a, and the other end passes through the gap to be overlapped on the internal electrode insulation sheet 17a, so that the other end of the internal electrode 16a is insulated from the circuit board 13a. The inner electrode 16a is electrically connected to the electrode cap 15a through a circuit component of the circuit board 13a.
The controller 10a further includes an electrode cap insulating sheet 14a, the electrode cap insulating sheet 14a is disc-shaped, a through hole is formed in the middle, and the cap body of the electrode cap 15 is exposed out of the outer shell through the through hole. The electrode cap insulating sheet 14a covers the limit baffle 112a and the brim of the electrode cap 15. The electrode cap insulating sheet 14a separates the electrode cap 15a from the outer case 11a and prevents conduction therebetween.
In another embodiment, the controller of the present disclosure may include a double case structure, please refer to fig. 3 and 4, fig. 3 is an exploded view of the controller of the cylindrical battery of the present disclosure in another exemplary embodiment, fig. 4 is a schematic cross-sectional view of the controller of the cylindrical battery of fig. 3 after assembly, and the controller 10 includes an outer case 11, an inner case 12 and a circuit board 13. The circuit board 13 is located in the outer housing 11, and the inner housing 12 is located in the outer housing 11 and below the circuit board 13. A support portion 121 for supporting the circuit board 13 is formed at the tip end of the inner housing 12, and the support portion 121 and the circuit board 13 are connected by soldering. The outer housing 11 and the inner housing 12 may be connected by soldering.
Specifically, the outer case 11 is cylindrical and made of a metal material. The outer case 11 includes a cylindrical outer wall 111 and a limit stopper 112 forming one axial end of the outer wall. The limit stop 112 is disposed around the inner circumference of the outer sidewall 111. The inner diameter of the limiting baffle 112 is smaller than the outer diameter of the circuit board 13, so that the circuit board 13 can be limited inside the outer casing 11 to prevent exposure. The other end of the outer shell 11 facing the limit stop 112 is provided with an opening. A cavity is formed inside the outer shell 11, a through hole is formed in the limit baffle 112, and the cavity is communicated with the opening at the other end of the outer shell 11 and the through hole of the limit baffle 112.
Optionally, the other end of the outer shell 11 opposite to the limit stop 112 is provided with a plurality of pressure relief grooves 113, and the plurality of pressure relief grooves 113 are arranged at intervals along the periphery of the outer shell 11. The pressure relief groove 113 is used to discharge gas generated in the lithium ion battery cell and reduce the internal pressure.
The circuit board 13 may have a disk shape with opposing first and second surfaces 131, 132. The first surface 131 is provided with an electrode cap 15. The second surface 132 has disposed thereon circuit components, which may be components that include charge and/or discharge control.
A circle of housing pads 1311 is further disposed at the edge of the first surface 131, and the housing pads 1311 are connected to the inner surface of the limiting baffle 112 by reflow soldering. Alternatively, the housing pad 1311 is press-fitted to the limit stopper 112 through the inner housing 12, that is, the circuit board 13 is directly supported by the inner housing 12. That is to say, the connection between the circuit board and the limiting baffle may be a soldering connection in the above embodiment, or may be a pressing connection by pressing the circuit board through the inner housing to make the circuit board contact with the limiting baffle, or may be a pressing connection by pressing the circuit board through the inner housing, and the circuit board is soldered to the limiting baffle. An inner housing land 1321 is provided at an edge position of the second surface 132, and the inner housing land 1321 is welded to the support portion 121 of the inner housing 12.
The inner housing 12 is made of metal. The inner housing 12 includes an annular inner sidewall 122 and the support portion 121 connected to the inner sidewall 122. The inner wall 122 is formed in a cylindrical shape. The support portion 121 is curved and extends toward the central axis of the inner wall 122 to form a support surface for supporting the circuit board 13.
The supporting portion 121 includes a plurality of limiting bent legs 1221 formed at the top end of the inner side wall 122 and distributed along the circumferential direction of the inner side wall 122 at intervals, each limiting bent leg 1221 extends in a bending manner toward the central axis of the inner side wall 122 to form a supporting surface for supporting the circuit board 13, and an arc chamfer is formed between each limiting bent leg 1221 and the inner side wall 122, i.e., an arc transition portion 123 is formed.
In addition, in order to facilitate the installation between the inner housing 12 and the outer housing 11, a gap is also reserved between the outer surface of the inner side wall of the inner housing 12 and the inner surface of the outer side wall 111 of the outer housing 11, and a part of the solder paste on the outer housing pad 1311 and the inner housing pad 1321 flows into the gap to fill the gap. After the solder paste is heated and cured, the outer shell pad 1311 is connected to the stopper 112 of the outer shell 11, and the inner shell pad 1321 is connected to the support surface of the support portion 121 of the inner shell 12. After the solder paste is solidified, the circuit board is supported by the solder paste and the supporting portion 121 together, and because the solder paste has good shear resistance, the supporting portion 121 and the solder paste can provide firm support for the circuit board 13 after being combined.
A groove 124 for accumulating solder paste is formed between the two limiting bent legs 1221 of the supporting portion 121, and when the solder paste is heated and cured, the solder paste on the inner shell bonding pad 1321 is squeezed into the groove 124. In this manner, the connection between the outer housing 11, the circuit board 13, and the inner housing 12 is further reinforced.
In the present disclosure, instead of the solder paste, a solder wire or a solder ball may be used, and the gap, the first gap, or the second gap may be filled with a molten liquid solder of the solder wire or the solder ball.
Optionally, the limiting curved feet 1211 of the inner housing 12 are disposed at equal intervals along the circular periphery surrounded by the inner wall 122.
Alternatively, the limiting curved feet 1211 of the inner housing 12 may be arranged at unequal intervals.
The number of the limit pins 1211 may be determined according to the size of the inner case 12. For a slightly larger battery, for example, a No. 5 battery, the structure of the inner housing 12 shown in fig. 3 can be adopted, and the limiting bent feet 1211 of the inner housing 12 are arranged at equal intervals, 9 in number, and the intervals between the limiting bent feet are small. And for small-sized batteries, such as No. 7 batteries, the reduction of the number of limiting bent pins can also meet the welding strength. As shown in fig. 5, which is an exploded view of the controller of battery No. 7, the number of welding pins 1211 is reduced to 5, and the ratio of the distance between two adjacent limiting bent pins 1211 to the total circumference of the inner case 12 is increased.
Alternatively, the support portion 121 of the inner housing 12 may be an annular support extending in a curved manner in the central axis direction of the inner sidewall 122, and the annular support forms an annular support surface to support the circuit board 13.
The top end of the inner case 12 of the present disclosure is formed with a support portion 121 supporting the circuit board, the support portion 121 supporting the circuit board from below, and a limit stopper 112 of the outer case limiting the circuit board 13 above so that the circuit board 13 is positioned within the outer case 11. So, limiting displacement and supporting action through this shell body 11 and interior casing 12 position circuit board 13 in the cavity of shell body 11, compare for the traditional support mode that forms the arch boss through battery case, shortened the height to can provide bigger space for battery electricity core, keep battery capacity not influenced at least.
Alternatively, as shown in fig. 3 and 4, for the No. 5 battery, the outer case 11 may be designed such that the bottom thereof exceeds the inner case 12, and the exceeding portion forms a positioning cylindrical structure 114 for abutting against the case of the lithium ion cell.
Alternatively, as shown in fig. 6, fig. 6 is a cross-sectional schematic view of the assembled controller of battery No. 7, and for battery No. 7, the bottom of the inner housing 12 exceeds the bottom of the outer housing 1, and the exceeding part forms a ring-shaped positioning groove 125 for sleeving the outer housing of the battery.
With continued reference to fig. 3 and 4, an electrode cap pad is also disposed on the circuit board 13, and is connected to the electrode cap 15 by soldering. The electrode cap 15 includes a hollow cylindrical cap body 151 and an annular visor 152 formed on the outer periphery of the cap body 151. The electrode cap 15 protrudes from the outer case 11. The electrode cap 15 may be a positive electrode cap or a negative electrode cap, for example, if the negative electrode of the battery cell correspondingly installed in the controller 10 is connected to the outer casing 11, the electrode cap 15 is connected to the positive electrode of the battery cell, and then the electrode cap 15 is a positive electrode cap; conversely, if the positive electrode of the battery cell, to which the controller 10 is correspondingly mounted, is connected to the outer case 11, the electrode cap 15 is connected to the negative electrode of the battery cell, and the electrode cap 15 is a negative electrode cap.
The controller 10 further includes an electrode cap insulating sheet 14, the electrode cap insulating sheet 14 is disc-shaped, a through hole 141 is disposed in the middle, the cap body 151 is exposed out of the outer casing 11 through the through hole 141, and the electrode cap insulating sheet covers the limiting baffle 112 and the cap peak 152. The electrode cap insulating sheet 14 separates the electrode cap 15 from the outer case 11 to prevent conduction therebetween.
The second surface of the circuit board 23 is further provided with an inner electrode pad for soldering the inner electrode 16, the inner electrode pad is further provided with an inner electrode positioning hole 134, and the positioning pin 163 of the inner electrode 16 is inserted into the inner electrode positioning hole 134, so that circumferential positioning of the inner electrode 16 on the circuit board 13 is ensured. The inner electrode 16 includes an electrode strip 161 and an inner electrode circuit board soldering land 164, and the inner electrode circuit board soldering land 164 forms an L-shape with the electrode strip 161. The electrode contact pads 164 abut against the inner electrode pads on the second surface of the circuit board 13 to ensure axial positioning of the inner electrodes 16 on the circuit board 13. The inner electrode circuit board soldering lands 164 increase the contact area of the inner electrodes 16 with the circuit board 13, facilitating the passage of a larger current. Meanwhile, when a current is passed through the internal electrodes 16, the amount of heat generated at the connection portions of the internal electrodes 16 and the circuit board 13 can be reduced.
The inner electrode 16 is further provided with a bending positioning groove 162, and the bending positioning groove 162 can position a bending position, so that stress concentration can be reduced, the inner electrode 16 can be folded at the bending positioning groove 162, and the folding consistency of the inner electrode 16 is guaranteed.
The movable end 167 of the inner electrode 16 is provided with a resistance welding resistance flow groove 165, so that the current path passing through the inner electrode 16 and the positive electrode lug boss of the lithium ion battery cell during resistance welding is increased, and the welding strength is increased. The movable end 167 of the inner electrode 16 may be a bar.
Alternatively, as shown in fig. 5, when the battery has a small volume, for example, a No. 7 battery, the movable end 167 of the inner electrode 16 may be designed to be a round cake shape, so as to increase the contact area of the electrode.
The circuit board 13 is provided with a glue injection hole and an exhaust overflow hole. The prepared heat conducting glue is poured into the cavity of the outer shell 11 from the glue injection hole of the circuit board 13 in a vacuum environment, after the heat conducting glue fills the inner cavity formed by the first surface 131 of the circuit board 13 and the electrode cap 15, the air exhaust overflow hole of the circuit board 13 overflows to the cavity formed by the second surface 132 of the circuit board 13 and the outer shell 11 until the heat conducting glue covers the components on the second surface of the whole circuit board 13, and a layer of heat conducting glue layer is formed. The movable end of the inner electrode 16 and most of the electrode strips are exposed to the layer of thermally conductive adhesive.
An inner electrode insulation sheet 17 covers the heat conduction glue layer, the inner electrode insulation sheet 17 has a gap, one end of the inner electrode 16 is welded on the second surface 132 of the circuit board 13, and the other end passes through the gap to be placed on the inner electrode insulation sheet 17, so that the other end of the inner electrode 16 is isolated and insulated from the components on the circuit board 13. The inner electrode 16 is bent at the notch of the inner electrode insulation sheet 17 for the first time, and is bent at the bending positioning groove 162 for the second time.
In one embodiment, the internal electrode insulation sheet can be omitted, in which case the internal electrodes 16 can directly rest on the thermal conductive adhesive layer.
The controller comprises an outer shell, a circuit board and an inner shell, wherein a limiting baffle is arranged on one end face of the outer shell, a supporting part is arranged at the top end of the inner shell, the circuit board is supported by the supporting part from the lower part, and the circuit board is limited by the limiting baffle on the upper part, so that the circuit board is positioned in the outer shell. So, limiting displacement and supporting role through this shell body and interior casing compare for the traditional support mode that forms arch boss through battery case, have shortened the height to can provide bigger space for battery electricity core, be favorable to keeping battery capacity not influenced.
The present disclosure also provides a cylindrical battery, which may be a No. 5 battery or a No. 7 battery, as shown in fig. 7 and 8, which is an exploded view of the cylindrical battery, and fig. 7 is a schematic structural view of the assembled cylindrical battery. The cylindrical battery 100 includes a lithium ion battery cell 20 and the controller 10 according to any one of the embodiments of fig. 1 to 5.
The lithium ion cell 20 is filled with electrolyte, the lithium ion cell 20 is provided with a negative electrode and a positive electrode, the negative electrode is connected with a shell 24 of the lithium ion cell, the shell 24 is a steel shell, and the steel shell is the negative electrode of the lithium ion cell. The top of the lithium ion battery cell 20 is a positive electrode terminal, which is provided with a positive electrode boss 21, and the positive electrode boss 21 is electrically connected with the positive electrode inside the lithium ion battery cell 20. A cell pressure relief groove 22 is formed in a side wall of the positive electrode boss 21, and bubbles generated by the lithium ion cell are discharged through the cell pressure relief groove 22.
The controller 10 is disposed at the positive terminal of the lithium ion cell 20, and the outer casing 11 is welded to the casing 24 of the lithium ion cell, so that the outer casing 11 of the controller is electrically connected to the negative electrode of the lithium ion cell. A pressure relief groove 113 is formed between the outer case 11 and the case 24 of the lithium ion battery cell 20, and gas discharged from the cell pressure relief groove 22 enters the outer case 11 and is discharged through the pressure relief groove 113 of the outer case 11, thereby reducing the gas pressure inside the lithium ion battery cell 20. The movable end of the inner electrode 16 of the controller 10 is welded to the positive electrode boss 21.
The periphery of the positive electrode boss 21 of the lithium ion cell 20 is provided with a cell insulation sheet 23, and the cell insulation sheet is annular and used for isolating the contact between the positive electrode boss 21 and the shell 24 and avoiding short circuit.
As shown in fig. 9, which is a sectional view after the cylindrical battery is assembled. The bottom of the outer shell of the controller 10 exceeds the bottom of the inner shell 12, the portion of the outer shell 11 exceeding forms a positioning cylindrical structure 114, the positioning cylindrical structure 114 encloses a circle of positioning grooves, the top end of the lithium ion battery cell 20 is inserted into the positioning grooves, the positioning cylindrical structure 114 abuts against the round corner of the shell 24 of the lithium ion battery cell 20 at the periphery, and a welding seam is formed at the joint seam of the two for welding.
In an embodiment, the present disclosure further provides a pillar-shaped battery, as shown in fig. 10, the controller is installed at the negative end of the lithium ion battery cell, specifically, the pillar-shaped battery 200 includes a lithium ion battery cell 20b and a controller 10b, the controller 10b may adopt the same structure as the controller 10 or the controller 10a in the above embodiment, and in this embodiment, the electrode cap of the controller 10b is the negative electrode cap 15b. The inside of the lithium ion battery cell 20b is filled with an electrolyte, the lithium ion battery cell 20b is provided with a positive electrode and a negative electrode, the positive electrode is connected with the casing 24b of the lithium ion battery cell 20b, and the casing 24b may be an aluminum casing, that is, the aluminum casing of the lithium ion battery cell 20b is the positive electrode of the lithium ion battery cell 20 b. The controller 10b is arranged at the negative end of the lithium ion cell, the outer shell 11b of the controller is connected with the shell of the lithium ion cell, the outer shell 11b of the controller is electrically connected with the positive electrode of the lithium ion cell, and the inner electrode of the controller is electrically connected with the negative electrode of the lithium ion cell.
In one embodiment, the present disclosure provides a pouch-type cylindrical battery, which includes the above controller, and the controller is provided with a positive terminal. As shown in fig. 11 and 12, fig. 11 is an exploded view of a pouch type cylindrical battery with a controller disposed at a positive terminal according to the present disclosure, and fig. 12 is a cross-sectional view of the cylindrical battery of fig. 11 after assembly, where the cylindrical battery 300 includes a lithium ion battery 20c and a controller 10c, and the controller 10c may adopt the same structure as the controller 10 or the controller 10a in the above embodiment, and in this embodiment, an electrode cap of the controller 10c is a positive electrode cap 15c.
The casing 21c of the lithium ion battery cell 20c is a soft casing, that is, the lithium ion battery cell is a soft package battery cell, one end of the soft casing is provided with a negative electrode plate 22c, and the negative electrode plate 22c extends to the other end of the lithium ion battery cell. The lithium ion cell 20c is sleeved into a battery outer shell 24c, and the negative electrode sheet 22c is welded with the battery outer shell 24 c. The outer case 11c of the controller is connected to the battery outer case 24 c. The other end of the lithium ion cell 20c is provided with a positive electrode tab 23c, and the positive electrode tab 23c is connected to an internal electrode of the controller 10 c.
In one embodiment, the controller may be further disposed at the negative terminal of the pouch-type cylindrical battery. Specifically, the present disclosure further provides a cylindrical battery, as shown in fig. 13 and 14, fig. 13 is an exploded view of a pouch-type cylindrical battery with a controller of the present disclosure disposed at a negative terminal, fig. 14 is a cross-sectional view of the cylindrical battery of fig. 13 after assembly, the cylindrical battery 400 includes a lithium ion battery 20d and a controller 10d, the controller 10d may adopt the same structure as the controller 10 or the controller 10a in the above embodiment, and in this embodiment, an electrode cap of the controller 10d is a negative electrode cap 15d.
The casing 21d of the lithium ion battery cell 20d is a soft casing, that is, the lithium ion battery cell is a soft package battery cell, one end of the soft casing is provided with a positive electrode plate 22d, and the positive electrode plate 22d extends to the other end of the lithium ion battery cell. The lithium ion battery cell 20d is sleeved into a battery outer casing 24d, the positive electrode plate 22d is welded with the battery outer casing 24d, and a positive electrode boss is formed at the bottom end of the battery outer casing. The outer case 11d of the controller is connected to the battery outer case 24 d. The other end of the lithium ion cell is provided with a negative electrode sheet 23d, and the negative electrode sheet 23d is connected with an inner electrode of the controller.
The above description is only a preferred embodiment of the disclosure, and is not intended to limit the scope of the disclosure, which is included in the present disclosure by the way of description and drawings of the present disclosure.
Claims (20)
1. A controller for a cylindrical battery, comprising:
the outer shell is made of metal and comprises a cylindrical outer side wall and a limiting baffle formed at one axial end of the outer side wall, an opening is formed in the other end, facing the limiting baffle, of the outer shell, a cavity is formed inside the outer shell, a through hole is formed in the limiting baffle, and the cavity is communicated with the opening and the through hole;
the circuit board, it has relative first surface and second surface, the first surface is provided with the electrode cap, the second surface welds and is equipped with circuit components and parts, the circuit board is located in the cavity, the electrode cap warp the through-hole expose in the shell body, the circuit board with limit baffle's inner face is connected.
2. The controller for cylindrical battery as claimed in claim 1, wherein the circuit board is provided with an opening at its periphery for filling with solder, and the solder in the opening fixedly connects the circuit board and the outer case;
the circuit board is connected with the inner face of the limit baffle of the outer shell in a welding mode.
3. The cylindrical battery controller according to claim 1, further comprising an inner housing made of a metal material, wherein a support portion for supporting the circuit board is formed at a top end of the inner housing, the inner housing and the circuit board are connected by soldering, and the outer housing and the inner housing are welded to each other.
4. The cylindrical battery controller according to claim 3, wherein the edge of the first surface of the circuit board is provided with an outer casing pad, the circuit board is welded or pressed on the inner surface of the limiting baffle through the outer casing pad, the edge of the second surface of the circuit board is provided with an inner casing pad, and the supporting surface of the supporting part is tightly attached to the inner casing pad and is welded and connected with the inner casing pad.
5. The cylindrical battery controller as defined in claim 4, wherein the inner case further includes an annular inner wall, the support portion is formed at an axial end of the inner wall and forms an arc-shaped transition portion with the inner wall, and a first gap for accumulating solder is formed between the transition portion and the outer wall and between the transition portion and the inner case land of the circuit board.
6. The cylindrical battery controller according to claim 5, wherein a second gap for accumulating solder is formed between the inner wall of the inner case and the outer wall of the outer case, and the first gap and the second gap communicate with each other.
7. The controller for a cylindrical battery according to claim 6, wherein the support portion includes a plurality of limiting bent legs formed at the top end of the inner sidewall and spaced apart from each other in the circumferential direction of the inner sidewall, each of the limiting bent legs is bent and extended toward the central axis of the inner sidewall to form a support surface for supporting the circuit board, and the arc-shaped transition portion is formed between each of the limiting bent legs and the inner sidewall.
8. The cylindrical battery controller according to claim 7, wherein a groove for accumulating solder is formed between two adjacent limiting bent legs.
9. The controller for cylindrical batteries according to any one of claims 1 to 8, wherein said electrode cap is a positive electrode cap or a negative electrode cap, and a ring of electrode cap pads for welding said electrode cap is disposed on said first surface of said circuit board.
10. The controller for a cylindrical battery according to claim 9, wherein the electrode cap includes a hollow cylindrical cap body and an annular brim formed on the periphery of the cap body, the controller further includes an electrode cap insulating sheet, a through hole is formed in the middle of the electrode cap insulating sheet, the cap body is exposed from the through hole, and the electrode cap insulating sheet covers the limiting baffle and the brim.
11. The cylindrical battery controller according to claim 3, wherein the bottom of the outer case extends beyond the inner case, and the extending portion forms a positioning cylindrical structure for abutting against the case of the lithium ion battery cell.
12. The cylindrical battery controller according to claim 3, wherein the bottom of the inner case is protruded from the outer case, and the protruded portion forms a positioning groove for receiving the outer case of the battery.
13. The controller for cylindrical batteries according to claim 1, further comprising an inner electrode and an inner electrode insulation sheet, wherein the inner electrode insulation sheet has a gap, one end of the inner electrode is welded to the second surface of the circuit board, and the other end of the inner electrode passes through the gap and is placed on the inner electrode insulation sheet, so that the other end of the inner electrode is insulated from the circuit board, and the inner electrode is electrically connected to the electrode cap through a circuit component of the circuit board;
the cavity is filled with heat-conducting glue, the heat-conducting glue covers the second surface of the circuit board to form a heat-conducting glue layer, and the inner electrode insulation sheet covers the heat-conducting glue layer.
14. The cylindrical battery controller according to claim 1, further comprising an inner electrode, wherein the cavity is filled with a heat conductive adhesive, the heat conductive adhesive covers the second surface of the circuit board to form a heat conductive adhesive layer, and the inner electrode is disposed on the heat conductive adhesive layer.
15. A cylindrical battery, comprising:
a lithium ion cell provided with a positive electrode and a negative electrode; and
the cylindrical battery controller according to any one of claims 1 to 14, wherein the controller is disposed at a positive terminal of the lithium ion cell at which a positive electrode is disposed, the outer case of the controller is electrically connected to a negative electrode of the lithium ion cell, and an inner electrode of the controller is electrically connected to the positive electrode of the lithium ion cell.
16. The cylindrical battery according to claim 15, wherein the lithium ion cell is a pouch cell, a negative electrode disposed at one end of the lithium ion cell is a negative electrode plate, the negative electrode plate extends toward the other end of the lithium ion cell, the lithium ion cell is sleeved in a battery outer shell, the negative electrode plate is welded to the battery outer shell, and the outer shell of the controller is connected to the battery outer shell;
and a positive electrode arranged at the other end of the lithium ion cell is a positive electrode plate, and the positive electrode plate is connected with an inner electrode of the controller.
17. The cylindrical battery according to claim 15, wherein the shell of the lithium ion cell is a steel shell, the steel shell of the lithium ion cell is a negative electrode of the lithium ion cell, and the outer shell of the controller is connected with the steel shell;
the lithium ion battery cell is provided with a positive electrode lug boss, the positive electrode is connected with the positive electrode lug boss, and the positive electrode lug boss is connected with an inner electrode of the controller.
18. A cylindrical battery, comprising:
a lithium ion cell provided with a positive electrode and a negative electrode; and
the controller for a cylindrical battery according to any one of claims 1 to 14, wherein the controller is disposed at a negative end of the lithium ion cell where a negative electrode is disposed, an outer casing of the controller is electrically connected to a positive electrode of the lithium ion cell, and an inner electrode of the controller is electrically connected to the negative electrode of the lithium ion cell.
19. The cylindrical battery according to claim 18, wherein the lithium ion cell is a soft package cell, a positive electrode arranged at one end of the lithium ion cell is a positive electrode plate, the positive electrode plate extends towards the other end of the lithium ion cell, the lithium ion cell is sleeved in a battery outer shell, the positive electrode plate is welded with the battery outer shell, and an outer shell of the controller is connected with the battery outer shell;
and the negative electrode arranged at the other end of the lithium ion cell is a negative electrode plate, and the negative electrode plate is connected with the inner electrode of the controller.
20. The cylindrical battery according to claim 18, wherein the outer shell of the lithium ion cell is an aluminum shell, the aluminum shell of the lithium ion cell is a positive electrode of the lithium ion cell, and the outer shell of the controller is connected with the aluminum shell;
the lithium ion battery cell is provided with a negative electrode boss, the negative electrode is connected with the negative electrode boss, and the negative electrode boss is connected with the inner electrode of the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010051482.9A CN111786037A (en) | 2020-01-17 | 2020-01-17 | Columnar battery and controller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010051482.9A CN111786037A (en) | 2020-01-17 | 2020-01-17 | Columnar battery and controller thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111786037A true CN111786037A (en) | 2020-10-16 |
Family
ID=72753128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010051482.9A Pending CN111786037A (en) | 2020-01-17 | 2020-01-17 | Columnar battery and controller thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111786037A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204257740U (en) * | 2014-12-11 | 2015-04-08 | 武凤杰 | A kind of cylinder type lithium battery installing protective circuit additional |
| CN204991832U (en) * | 2015-07-31 | 2016-01-20 | 李文杰 | High cylindrical battery of security and be used for installing circuit board of cylindrical battery |
| CN106486693A (en) * | 2016-11-15 | 2017-03-08 | 漳州万宝能源科技有限公司 | A kind of 1.5V constant voltage lithium battery of alternative No. 5 disposable alkaline cells and its production method |
| US20180069273A1 (en) * | 2015-06-12 | 2018-03-08 | Fujian Nanping Nanfu Battery Co., Ltd. | Electrochemical secondary battery having inbuilt charging circuit |
| CN109962202A (en) * | 2019-03-15 | 2019-07-02 | 福建南平南孚电池有限公司 | Rechargeable battery with electrically-conductive backing plate |
| JP2019121587A (en) * | 2017-12-28 | 2019-07-22 | 晶英國際股▲分▼有限公司 | Quick charge battery |
| CN209183580U (en) * | 2018-12-29 | 2019-07-30 | 深圳市新昊青科技有限公司 | A kind of cylindrical battery |
| CN110137393A (en) * | 2019-05-09 | 2019-08-16 | 广东因奥新能源科技有限公司 | A kind of battery cap component and battery |
| CN211017306U (en) * | 2020-01-17 | 2020-07-14 | 深圳市麦格松电气科技有限公司 | Columnar battery and controller thereof |
-
2020
- 2020-01-17 CN CN202010051482.9A patent/CN111786037A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204257740U (en) * | 2014-12-11 | 2015-04-08 | 武凤杰 | A kind of cylinder type lithium battery installing protective circuit additional |
| US20180069273A1 (en) * | 2015-06-12 | 2018-03-08 | Fujian Nanping Nanfu Battery Co., Ltd. | Electrochemical secondary battery having inbuilt charging circuit |
| CN204991832U (en) * | 2015-07-31 | 2016-01-20 | 李文杰 | High cylindrical battery of security and be used for installing circuit board of cylindrical battery |
| CN106486693A (en) * | 2016-11-15 | 2017-03-08 | 漳州万宝能源科技有限公司 | A kind of 1.5V constant voltage lithium battery of alternative No. 5 disposable alkaline cells and its production method |
| JP2019121587A (en) * | 2017-12-28 | 2019-07-22 | 晶英國際股▲分▼有限公司 | Quick charge battery |
| CN209183580U (en) * | 2018-12-29 | 2019-07-30 | 深圳市新昊青科技有限公司 | A kind of cylindrical battery |
| CN109962202A (en) * | 2019-03-15 | 2019-07-02 | 福建南平南孚电池有限公司 | Rechargeable battery with electrically-conductive backing plate |
| CN110137393A (en) * | 2019-05-09 | 2019-08-16 | 广东因奥新能源科技有限公司 | A kind of battery cap component and battery |
| CN211017306U (en) * | 2020-01-17 | 2020-07-14 | 深圳市麦格松电气科技有限公司 | Columnar battery and controller thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4749130B2 (en) | Secondary battery and method for forming the same | |
| KR101084982B1 (en) | Secondary Battery Pack of Novel Structure | |
| JP5279448B2 (en) | Secondary battery and manufacturing method thereof | |
| CN100380713C (en) | Lithium accumulator | |
| KR101087046B1 (en) | Battery Pack Employed with Top Cap Mounting PTC Device thereon | |
| TWI390785B (en) | Secondary battery pack having excellent energy density and pcm assembly therefor | |
| US7781092B2 (en) | Secondary battery and method of manufacturing same | |
| JP5295077B2 (en) | Secondary battery | |
| KR101249918B1 (en) | Secondary cell having cap assemblies made of parts attached by a conductive adhesive | |
| TWI485911B (en) | Secondary battery pack and method of manufacturing a battery cell for a secondary battery pack | |
| JP4769780B2 (en) | Secondary battery | |
| CN211017306U (en) | Columnar battery and controller thereof | |
| KR101222301B1 (en) | Secondary battery | |
| CN220138590U (en) | Battery cell | |
| CN112234282A (en) | Battery shell assembly, battery and preparation method | |
| JP5908116B2 (en) | Built-in battery cell with new structure | |
| CN111786037A (en) | Columnar battery and controller thereof | |
| CN211017219U (en) | Columnar lithium ion rechargeable battery and controller thereof | |
| CN211045493U (en) | Battery controller and columnar battery | |
| CN211017304U (en) | Columnar battery and controller with indicating lamp thereof | |
| KR100561299B1 (en) | Secondary Battery | |
| CN111755646A (en) | Columnar lithium ion rechargeable battery and controller thereof | |
| CN215600446U (en) | Lithium ion battery cover plate and battery thereof | |
| KR101312428B1 (en) | Connecting structure for PCB and secondary battery utilizing the same | |
| CN213304244U (en) | Battery shell assembly and battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230913 Address after: Room 201, 2nd Floor, Building A4, Censheng Industrial Park, No. 2 Shuguang Road, Economic and Technological Development Zone, Jingzhou City, Hubei Province, 434000 (self declared) Applicant after: Megson (Hubei) Power System Co.,Ltd. Address before: 518000 Room 301, building D, T3 office building, Shenzhen Bao'an International Airport, hourui community, Hangcheng street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN MAIGESONG ELECTRICAL TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right |