CN115395164B - Single battery, battery pack and battery pack - Google Patents
Single battery, battery pack and battery pack Download PDFInfo
- Publication number
- CN115395164B CN115395164B CN202211129759.0A CN202211129759A CN115395164B CN 115395164 B CN115395164 B CN 115395164B CN 202211129759 A CN202211129759 A CN 202211129759A CN 115395164 B CN115395164 B CN 115395164B
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- battery
- battery pack
- shell
- end cover
- arc surface
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Classifications
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- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
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- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
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- 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 of a single cell or a single battery
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
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- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
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- 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
Abstract
The utility model provides a battery cell, group battery and battery package, the battery cell includes shell, core, connection piece, end cover, plastic support, and the battery cell is whole to be prismatic, and the cross-section is nearly triangle-shaped, square or regular hexagon, and wherein one corner is the arc surface, and the battery shell is wrapped up with the heat dissipation membrane, and the core is folded sheet type or winding type, and the battery cell passes through coupling mechanism and connects the combination and form the group battery, and the battery cell has the one corner of arc surface inwards, and the round hole that is used for putting into the cooling tube is constituteed to the arc surface of all battery cells when several battery cells draw together, and the group battery is assembled and is the battery package. The battery pack and the battery pack assembled by the single batteries have no gaps, so that a power battery pack system with high space utilization rate and high heat dissipation performance is manufactured; a heat conduction pipe is arranged in the middle of the battery pack, and after the heat conduction pipe is connected with the cooling system, the heat conduction pipe can radiate or heat the battery pack through the flowing of gas, liquid or phase change materials, so that the performance of the battery is improved.
Description
Technical Field
The invention relates to the field of power batteries, in particular to a single battery, a battery pack and a battery pack.
Background
The clean energy industries such as new energy automobiles and the like are developed into domestic pillar industries, the output total output value of upstream and downstream related enterprises reaches nearly trillion yuan, the scale of the clean energy industries is globally leading, and a large number of excellent enterprises are created. Besides the new energy automobiles, the energy storage power stations are also in vigorous demand as the matched arrangement of wind power and photovoltaic industries, and the core components of the energy storage power stations are new energy batteries, regardless of the new energy automobiles or the energy storage power stations. The production and marketing of new energy automobiles in China respectively reach 327.9 ten thousand and 319.4 ten thousand in 1-7 months in the present year, the same ratio increase is 1.2 times, and the market share reaches 22.1%. In the main varieties of new energy automobiles, production and marketing of pure electric automobiles, plug-in hybrid electric automobiles and fuel cell automobiles keep high-speed growth as compared with the same period of the last year. The installed capacity of the global power battery exceeds 280Gwh in 2021, and the estimated year 2030 reaches 3000Gwh. The energy storage project of 2021 is a scalar 18GWh, and 50Gwh or more is estimated in 2025, and the large environment determines that the new energy battery industry is in the era of blowout development.
The new energy battery comprises a lithium ion battery, a sodium ion battery, a solid-state battery and a quasi-solid-state battery. The battery is structurally divided into a cylindrical battery, a square aluminum shell battery and a soft package battery. The market share of the cylindrical battery is below 6%, the maximum size battery of tap enterprises in mass production is 4680 model, but in general, the battery pack has low monomer capacity, high connection cost and low battery pack energy density. The soft package battery shell adopts an aluminum plastic film package, and the expansion resistance and the environmental reliability of the soft package battery shell are far less than those of cylindrical and square aluminum shell batteries. Conventional aluminum-shell batteries are either low in yield, or poor in heat dissipation, or low in energy density.
Disclosure of Invention
The invention aims to provide a single battery, a battery pack and a battery pack, which solve the defect of low energy density of the existing battery and the defect of inconvenient installation of a radiating pipe in the battery pack.
The purpose of the invention is realized in the following way: the single battery comprises a shell, a core body, a connecting sheet, an end cover and a plastic bracket, wherein the single battery is in a prismatic shape as a whole, the cross section of the single battery is nearly triangular, square or regular hexagon, and one corner is an arc surface; the shell is a hollow body with or without a bottom, an end cover is buckled at an upper port of the shell with the bottom, the upper port and a lower port of the shell without the bottom are respectively buckled with the end cover, terminals penetrating through the inner side and the outer side of the end cover and corresponding to the anode and the cathode of the core body are arranged on the end cover and are separated from the end cover by plastic insulating materials, and the terminals of the anode and the terminals of the cathode are alternately arranged; a laminated or coiled core body is arranged in the inner cavity of the shell, the outer side of the core body is provided with lugs connected with the positive electrode and the negative electrode respectively, a plastic bracket is arranged at the corner of the inner cavity of the shell far away from the circular arc surface, a connecting sheet is clamped and fixed by the plastic bracket, the lugs and the connecting sheet are welded together, and the connecting sheets of the positive electrode and the negative electrode are welded together with terminals of the corresponding positive electrode and negative electrode; a rectangular connecting groove is arranged at one corner of the end cover, which is close to the arc surface, a space extending to the side edge is arranged at the bottom of the connecting groove, the space can be formed by outwards reaming the bottom part of the thickness of the connecting groove on the end cover, and can also be formed by a gap between the end cover and the core body, and the connecting groove can be used for locking a machine hook to enter and hook the connecting groove.
The shell is coated with a layer of heat dissipation film, and the heat dissipation film is a graphene film, a silicon carbide film or a graphite film which are made of nonmetallic materials.
The battery pack consists of single batteries, a connecting mechanism and radiating pipes, wherein one corner of each single battery with an arc surface is inwards closed, when a plurality of single batteries are closed, the arc surfaces of all the single batteries form a round hole, and a cylindrical radiating pipe is arranged in the round hole; the connecting mechanism comprises a connecting disc and locking mechanisms, wherein a radiating pipe extending hole is formed in the center of the connecting disc, the locking mechanisms corresponding to each single battery are uniformly distributed on the periphery of the connecting disc, each locking mechanism is aligned with a connecting groove of the corresponding single battery to be clamped in and locked, the radiating pipe correspondingly extends out of the radiating pipe extending hole, a plurality of single batteries are assembled together to form a battery pack, and the connecting mechanism is arranged at the upper end, the lower end or the upper end and the lower end of the single battery.
The locking mechanism consists of a locking plate, a guide shaft and a pressure spring, wherein the locking plate is an L-shaped body formed by laterally connecting lock hooks at the lower ends of vertical plates, bosses are arranged at the tops of the vertical plates, through holes are formed in the middle of the vertical plates, the lock hooks of the two vertical plates are oppositely arranged back to back outwards, the guide shaft penetrates through the through holes of the two vertical plates, the pressure spring is sleeved on the guide shaft, and the two ends of the pressure spring are correspondingly supported on the inner side surfaces of the two vertical plates; the connection pad is close to circumference edge department along circumference equipartition and is equipped with locking mechanism mounting groove, and locking mechanism mounting groove's quantity equals with the monomer battery quantity that constitutes the group battery, and locking mechanism is placed in locking mechanism mounting groove from above, and the boss of locking plate supports in the both sides of locking mechanism mounting groove. 6 prismatic single batteries with the cross section of nearly triangle are needed to form a battery pack, and the whole appearance of the battery pack is in a hexagonal prism shape; 4 prismatic single batteries with the cross section being nearly square are needed to form a battery pack, and the overall appearance of the battery pack is in a quadrangular shape; the prismatic single batteries with the cross sections of nearly regular hexagons form a battery pack, 3 batteries are needed, and the whole appearance of the battery pack is plum blossom prismatic.
The battery packs are closely densely arranged to form a battery pack, and the battery pack is formed by connecting a plurality of battery packs in series-parallel connection.
The connecting strip or the connecting plate with screw holes is arranged on the end cover of the single battery, and the screws are connected with the screw threads on the end cover through the screw holes on the connecting strip or the connecting plate to fixedly connect the single batteries together.
Compared with the prior art, the invention has the following effects: the single batteries are triangular, square and hexagonal in section, and a battery pack assembled by the single batteries have no gaps and have highest energy density; a heat conduction pipe is arranged in the middle of a battery pack formed by the single batteries, and after the heat conduction pipe is connected with a cooling system, the heat conduction pipe can radiate or heat a battery pack through the flow of gas, liquid or phase change materials, so that the performance of the battery is improved; the connection mechanism can reliably and conveniently connect the single batteries together to form a battery pack, so as to form a battery unit.
Drawings
Fig. 1 is an end schematic view of a triangular unit cell constituting a battery pack.
Fig. 2 is an internal configuration diagram of a triangular unit cell.
Fig. 3 is a schematic view of the external structure of the upper end of the triangular unit cell.
Fig. 4 is an external view of the triangular core.
Fig. 5 is a structural view of the connection mechanism.
Fig. 6 is a structural view of the shackle in the connection mechanism.
Fig. 7 is an end schematic view of a square cell constituting a battery pack.
Fig. 8 is an end schematic view of a hexagonal unit cell constituting a battery pack.
In the figure: 1-a single battery; 11-a housing; 12-core; 121-electrode lugs; 13-connecting pieces; 14-end caps; 141-a connecting groove; 142-terminals; 143-a threaded hole; 15-a plastic bracket; 16-a heat dissipation film; 17-an arc surface; 2-battery pack; 3-battery pack; 4-a connection mechanism; 41-connecting discs; 42-radiating pipe extending holes; 43-locking mechanism; 431-locking plate; 432-guiding shaft; 433-a compression spring; 44-a locking mechanism mounting slot; and 5-radiating pipes.
Detailed Description
Examples
Referring to fig. 2-4, a single battery comprises a shell 11, a core 12, a connecting sheet 13, an end cover 14 and a plastic bracket 15, wherein the single battery 1 is in a prismatic shape as a whole, the cross section of the single battery is in a nearly triangular shape, and one corner is an arc surface 17; the shell 11 is a hollow body with or without a bottom, an end cover 14 is buckled at the upper port of the shell 11 with the bottom, the end covers 14 are buckled at the upper port and the lower port of the shell 11 with the no bottom respectively, terminals 142 penetrating through the inner side and the outer side of the end cover 14 and corresponding to the positive electrode and the negative electrode of the connecting core 12 with plastic insulating materials separated from the end cover 14 are arranged on the end cover 14, and the terminals 142 of the positive electrode and the terminals 142 of the negative electrode are alternately arranged; a laminated or coiled core 12 is arranged in the inner cavity of the shell 11, a lug 121 connected with the positive electrode and the negative electrode respectively is arranged on the outer side of the core 12, a plastic bracket 15 is arranged at the corner of the inner cavity of the shell 11 far away from the circular arc surface 17, a connecting sheet 13 is clamped and fixed through the plastic bracket 15, the lug 121 and the connecting sheet 13 are welded together, and the connecting sheets 13 of the positive electrode and the negative electrode are welded together with terminals 142 of the corresponding positive electrode and the negative electrode; a rectangular connecting groove 141 is arranged on the end cover 14 at a corner close to the arc surface 17, and a space extending to the side edge is arranged at the bottom of the connecting groove 141; the shell 11 is coated with a layer of heat dissipation film 16, and the heat dissipation film 16 is a non-metallic graphene film, a silicon carbide film or a graphite film.
Referring to fig. 1, 5 and 6, the battery pack 2 is composed of single batteries 1, a connecting mechanism 4 and a radiating pipe 5, one corner of each single battery 1 with an arc surface 17 is inwards closed, when 6 single batteries 1 are closed, the arc surfaces 17 of all the single batteries 1 form a round hole, and a cylindrical radiating pipe 5 is placed in the round hole; the solar cell module comprises a connecting mechanism 4 formed by a connecting disc 41 and locking mechanisms 43, wherein a radiating tube extending hole 42 is formed in the center of the connecting disc 41, 6 locking mechanisms 43 are uniformly distributed on the periphery of the connecting disc 41, each locking mechanism 43 is aligned with a connecting groove 141 of a corresponding single cell 1 to be clamped and locked, a radiating tube 5 correspondingly extends out of the radiating tube extending hole 42, and 6 single cells 1 are assembled together to form a cell pack 2, and the connecting mechanism 4 is arranged at the upper end, the lower end or the upper end and the lower end of the single cell 1.
Referring to fig. 6, the locking mechanism 43 is composed of a locking plate 431, a guide shaft 432 and a pressure spring 433, wherein the locking plate 431 is an L-shaped body composed of a vertical plate lower end laterally connected with a locking hook, a boss is arranged at the top of the vertical plate, a through hole is arranged in the middle of the vertical plate, the locking hooks of the two vertical plates are oppositely arranged back to back outwards, the guide shaft 432 penetrates through the through holes of the two vertical plates, the pressure spring 433 is sleeved on the guide shaft 432, and two ends of the pressure spring 433 are correspondingly supported on the inner side surfaces of the two vertical plates; locking mechanism mounting grooves 44 are uniformly distributed on the connecting disc 41 near the circumferential edge along the circumferential direction, the number of the locking mechanism mounting grooves 44 is 6, the locking mechanisms 43 are placed in the locking mechanism mounting grooves 44 from above, and bosses of the locking plates 431 are supported on two sides of the locking mechanism mounting grooves 44; during installation, the locking mechanism 43 is aligned with the connecting grooves 141 of the corresponding single batteries 1 and is pressed down, two opposite locking hooks corresponding to each connecting groove 141 enter the connecting groove 141, the two locking hooks are respectively hooked on the bottom surfaces of the end parts of the connecting grooves 141 in the length direction, the locking mechanism 43 and the single batteries 1 are fixed together, and all the single batteries 1 are connected and fixed together through the connecting disc 41.
In the embodiment, the prismatic single battery 1 with a triangular section and the scheme description of the battery pack 2 and the battery pack 3 are provided, and the whole appearance of the battery pack 2 formed by 6 single batteries 1 is in a hexagonal prism shape; the battery packs 2 are closely densely arranged to form a battery pack 3, and the battery pack 3 is formed by connecting a plurality of battery packs 2 in series-parallel connection; in addition, a connecting bar or a connecting plate with screw holes is provided, screw holes 143 are provided on the end covers 14 of the single batteries 1, and screws are connected with the screw holes 143 on the end covers through the screw holes on the connecting bar or the connecting plate to fixedly connect the single batteries 1 together, referring to fig. 1.
Examples
Referring to fig. 2-7, the whole single battery 1 is prismatic, the cross section is nearly square, 4 single batteries 1 form a battery pack 2, and the battery pack 2 is combined into a battery pack 3; the whole appearance of the battery pack 2 is in a quadrangular prism shape, and the connecting mechanism 4 is provided with 4 locking mechanisms 43 for locking 4 single batteries 1 together. The other portions are the same as in example 1.
Examples
Referring to fig. 2-6 and 8, the single battery 1 is prismatic as a whole, the cross section of the single battery is nearly regular hexagon, 3 single batteries 1 form a battery pack 2, and then the battery pack 2 is combined into a battery pack 3; the whole appearance of the battery pack 2 is plum blossom prism-shaped, and the connecting mechanism 4 is provided with 3 locking mechanisms 43 for locking the 3 single batteries 1 together. The other portions are the same as in example 1.
Claims (5)
1. A battery pack, comprising a plurality of single cells, characterized in that: the single battery (1) comprises a shell (11), a core body (12), a connecting sheet (13), an end cover (14) and a plastic bracket (15), the whole single battery is prismatic, the cross section of the single battery is nearly triangular, square or regular hexagon, and one corner is an arc surface (17); the shell (11) is a hollow body with or without a bottom, an end cover (14) is buckled at an upper port of the shell (11) with the bottom, the end covers (14) are buckled at an upper port and a lower port of the shell (11) with the bottom respectively, terminals (142) penetrating through the inner side and the outer side of the end cover (14) and corresponding to the connecting core body (12) with plastic insulating materials separated from the end cover (14) are arranged on the end cover (14), and the terminals (142) of the positive electrode and the terminals (142) of the negative electrode are alternately arranged; a laminated or coiled core body (12) is arranged in an inner cavity of the shell (11), a lug (121) connected with the positive electrode and the negative electrode respectively is arranged on the outer side of the core body (12), a plastic bracket (15) is arranged at the corner of the inner cavity of the shell (11) far away from the arc surface (17), a connecting sheet (13) is clamped and fixed through the plastic bracket (15), the lug (121) and the connecting sheet (13) are welded together, and the connecting sheets (13) of the positive electrode and the negative electrode are welded together with terminals (142) of the corresponding positive electrode and negative electrode; a rectangular connecting groove (141) is arranged on the end cover (14) at a corner close to the arc surface (17), and a space extending to the side edge is arranged at the bottom of the connecting groove (141); the battery pack (2) consists of single batteries (1) and a connecting mechanism (4), wherein one corner of each single battery (1) with an arc surface (17) is inwards closed; the battery pack comprises a connecting mechanism (4) formed by a connecting disc (41) and locking mechanisms (43), wherein the locking mechanisms (43) corresponding to each single battery (1) are uniformly distributed on the circumference of the connecting disc (41), each locking mechanism (43) is aligned to a connecting groove (141) of the corresponding single battery (1) to be clamped and locked, a plurality of single batteries (1) are assembled together to form the battery pack (2), and the connecting mechanism (4) is arranged at the upper end, the lower end or the upper end and the lower end of the single battery (1); the locking mechanism (43) is composed of a locking plate (431), a guide shaft (432) and a pressure spring (433), the locking plate (431) is an L-shaped body formed by laterally connecting lock hooks at the lower ends of vertical plates, bosses are arranged at the tops of the vertical plates, through holes are formed in the middle of the vertical plates, the lock hooks of the two vertical plates are oppositely arranged back to back outwards, the guide shaft (432) penetrates through the through holes of the two vertical plates, the pressure spring (433) is sleeved on the guide shaft (432), and two ends of the pressure spring (433) are correspondingly supported on the inner side surfaces of the two vertical plates; the connecting disc (41) is close to the circumference edge and is provided with locking mechanism mounting grooves (44) along the circumference equipartition, and the quantity of locking mechanism mounting grooves (44) equals with the monomer battery (1) that constitutes group battery (2), and locking mechanism (43) are placed in locking mechanism mounting groove (44) from above, and the boss of locking plate (431) supports in the both sides of locking mechanism mounting groove (44).
2. The battery pack according to claim 1, wherein: a shell (11) of the single battery (1) is coated with a layer of heat dissipation film (16), and the heat dissipation film (16) is a graphene film, a silicon carbide film or a graphite film made of nonmetallic materials.
3. The battery pack according to claim 1, wherein: when the single batteries (1) of the battery pack (2) are gathered, the circular arc surfaces (17) of all the single batteries (1) form a round hole, and a cylindrical radiating pipe (5) is arranged in the round hole; the center of the connecting disc (41) is provided with a radiating pipe extending hole (42), and the radiating pipe (5) correspondingly extends out of the radiating pipe extending hole (42).
4. A battery pack constructed of the battery pack according to claim 1, wherein: the battery packs (2) are closely densely arranged to form a battery pack (3), and the battery pack (3) is formed by connecting a plurality of battery packs (2) in series-parallel connection.
5. The battery pack according to claim 4, wherein: the battery pack is characterized in that a connecting strip or a connecting plate with screw holes is arranged, screw holes (143) are formed in the end covers (14) of the single batteries (1), and screws are connected with the screw threads of the end covers (14) through the screw holes in the connecting strip or the connecting plate to fixedly connect the single batteries (1) together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211129759.0A CN115395164B (en) | 2022-09-16 | 2022-09-16 | Single battery, battery pack and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211129759.0A CN115395164B (en) | 2022-09-16 | 2022-09-16 | Single battery, battery pack and battery pack |
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| Publication Number | Publication Date |
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| CN115395164A CN115395164A (en) | 2022-11-25 |
| CN115395164B true CN115395164B (en) | 2023-09-15 |
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| CN202211129759.0A Active CN115395164B (en) | 2022-09-16 | 2022-09-16 | Single battery, battery pack and battery pack |
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| CN (1) | CN115395164B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115882126A (en) * | 2022-12-14 | 2023-03-31 | 江苏正力新能电池技术有限公司 | Battery case, cylindrical battery and battery module |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10106520A (en) * | 1996-09-26 | 1998-04-24 | Matsushita Electric Ind Co Ltd | Storage battery power supply device |
| JP2006032240A (en) * | 2004-07-21 | 2006-02-02 | Nissan Motor Co Ltd | Battery pack |
| CN102394284A (en) * | 2011-11-17 | 2012-03-28 | 茵卡动力***（上海）有限公司 | Power battery pack of new-energy automobile |
| CN202308179U (en) * | 2011-08-08 | 2012-07-04 | 珠海银通新能源有限公司 | Ring-shaped power battery pack |
| WO2015075004A1 (en) * | 2013-11-21 | 2015-05-28 | Commissariat à l'énergie atomique et aux énergies alternatives | Electrochemical cell including a hollow tubular gas electrode |
| CN104882290A (en) * | 2015-06-08 | 2015-09-02 | 中航锂电（洛阳）有限公司 | Housing, supercapacitor applying housing and capacitor bank |
| CN107978698A (en) * | 2017-12-01 | 2018-05-01 | 合肥国盛电池科技有限公司 | Vehicular battery bag |
| CN208240775U (en) * | 2018-06-05 | 2018-12-14 | 大连中比动力电池有限公司 | A kind of integrated assembling support of lithium ion battery mould group |
| CN111261976A (en) * | 2020-03-25 | 2020-06-09 | 上海比耐信息科技有限公司 | Large-capacity battery with radiating pipe |
| CN111384353A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| CN211670237U (en) * | 2020-03-18 | 2020-10-13 | 湖北亿纬动力有限公司 | Battery module |
| CN212011103U (en) * | 2020-06-18 | 2020-11-24 | 黄晓萍 | Single column lithium battery composite structure |
| CN212725476U (en) * | 2020-09-09 | 2021-03-16 | 常州市金坛碳谷新材料科技有限公司 | Graphite heat dissipation module for new energy power battery |
| CN214774434U (en) * | 2021-01-17 | 2021-11-19 | 泰兴挚富显示技术有限公司 | Compound heat dissipation membrane of graphite alkene |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8652707B2 (en) * | 2011-09-01 | 2014-02-18 | Watt Fuel Cell Corp. | Process for producing tubular ceramic structures of non-circular cross section |
-
2022
- 2022-09-16 CN CN202211129759.0A patent/CN115395164B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10106520A (en) * | 1996-09-26 | 1998-04-24 | Matsushita Electric Ind Co Ltd | Storage battery power supply device |
| JP2006032240A (en) * | 2004-07-21 | 2006-02-02 | Nissan Motor Co Ltd | Battery pack |
| CN202308179U (en) * | 2011-08-08 | 2012-07-04 | 珠海银通新能源有限公司 | Ring-shaped power battery pack |
| CN102394284A (en) * | 2011-11-17 | 2012-03-28 | 茵卡动力***（上海）有限公司 | Power battery pack of new-energy automobile |
| WO2015075004A1 (en) * | 2013-11-21 | 2015-05-28 | Commissariat à l'énergie atomique et aux énergies alternatives | Electrochemical cell including a hollow tubular gas electrode |
| CN104882290A (en) * | 2015-06-08 | 2015-09-02 | 中航锂电（洛阳）有限公司 | Housing, supercapacitor applying housing and capacitor bank |
| CN107978698A (en) * | 2017-12-01 | 2018-05-01 | 合肥国盛电池科技有限公司 | Vehicular battery bag |
| CN208240775U (en) * | 2018-06-05 | 2018-12-14 | 大连中比动力电池有限公司 | A kind of integrated assembling support of lithium ion battery mould group |
| CN111384353A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| CN211670237U (en) * | 2020-03-18 | 2020-10-13 | 湖北亿纬动力有限公司 | Battery module |
| CN111261976A (en) * | 2020-03-25 | 2020-06-09 | 上海比耐信息科技有限公司 | Large-capacity battery with radiating pipe |
| CN212011103U (en) * | 2020-06-18 | 2020-11-24 | 黄晓萍 | Single column lithium battery composite structure |
| CN212725476U (en) * | 2020-09-09 | 2021-03-16 | 常州市金坛碳谷新材料科技有限公司 | Graphite heat dissipation module for new energy power battery |
| CN214774434U (en) * | 2021-01-17 | 2021-11-19 | 泰兴挚富显示技术有限公司 | Compound heat dissipation membrane of graphite alkene |
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