CN110556607A - battery module and battery pack - Google Patents
battery module and battery pack Download PDFInfo
- Publication number
- CN110556607A CN110556607A CN201910927737.0A CN201910927737A CN110556607A CN 110556607 A CN110556607 A CN 110556607A CN 201910927737 A CN201910927737 A CN 201910927737A CN 110556607 A CN110556607 A CN 110556607A
- Authority
- CN
- China
- Prior art keywords
- battery
- heat
- busbar
- battery module
- battery cell
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
- H01M10/6553—Terminals or leads
-
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention belongs to the technical field of soft package batteries, and particularly relates to a battery module which comprises a plurality of battery cores, a busbar and a heat-conducting piece, wherein the battery cores are provided with tabs, the tabs are connected with the busbar, and the heat-conducting piece is attached to the tabs or the busbar. Compared with the prior art, the heat dissipation structure is simple and reasonable in structure, heat dissipation is performed through the lugs, heat dissipation is uniform, and the heat dissipation effect is obvious. In addition, the invention also provides a battery pack which comprises at least one battery module and a cooling system for cooling the battery module, wherein the heat generated by the battery module is quickly transferred to the cooling system of the battery pack through the heat conducting piece, so that more direct and quick heat dissipation is realized.
Description
Technical Field
The invention belongs to the technical field of soft package batteries, and particularly relates to a battery module and a battery pack.
Background
The soft package battery has the advantages of good safety, high energy density, long cycle life and the like, and can be rapidly developed in the new energy electric automobile industry.
Laminate polymer battery can produce a large amount of heats at the during operation, if the battery does not have good heat dissipation design, the life-span of battery will be shortened greatly to the untimely release of heat, and the stability in use of battery also will greatly reduced causes the potential safety hazard even. The heat dissipation of the battery in the soft package battery module is mostly realized by bonding a cooling fin on the surface of the battery, conducting the heat of the battery to a specified position through the cooling fin and then performing centralized heat dissipation. Although this method can play a role in heat dissipation to some extent, the following disadvantages still exist: 1) the temperature in the direction close to the aluminum-plastic film in the battery is lower than that in the middle of the battery, so that the internal temperature of the battery is uneven, the performance of the battery is easy to decay from the middle, the service life of the battery is shortened, and the safety cannot be ensured; 2) the heat generated in the battery needs to be concentrated and radiated together after sequentially passing through the aluminum plastic film, the heat conducting glue and the radiating fins, and the heat can be finally concentrated and radiated after being conducted through various media, so that the radiating effect is not obvious; 3) and a plurality of radiating fins are added in the module, so that the weight of the module is greatly increased, and the energy density is reduced.
Disclosure of Invention
One of the objects of the present invention is: aiming at the defects of the prior art, the battery module is provided, and has uniform heat dissipation and obvious heat dissipation effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
The utility model provides a battery module, includes a plurality of electric cores, busbar and heat conduction spare, and is a plurality of the electric core all is provided with utmost point ear, utmost point ear with the busbar is connected, just heat conduction spare with utmost point ear or the laminating of busbar.
In the invention, when the heat conducting piece is directly attached to the lug, heat generated in the battery core is directly conducted to the heat conducting piece through the lug, and when the heat conducting piece is attached to the busbar, the heat generated in the battery core is conducted to the busbar through the lug and then conducted to the heat conducting piece, namely, the heat generated in the battery core is conducted through the lug without passing through a diaphragm, an aluminum plastic film, a heat conducting adhesive and a radiating fin, so that the heat conducting effect of the lug disclosed by the invention is far better than that of the battery surface heat radiation.
As an improvement of the battery module, heat generated in the plurality of battery cells is conducted to the heat conducting member through the tabs, or heat generated in the plurality of battery cells is conducted to the bus bar through the tabs and then conducted to the heat conducting member.
As an improvement of the battery module, the tabs include a positive tab and a negative tab, and the positive tab and the negative tab are arranged at the same end of the battery core; or the positive pole lug is arranged at one end part of the battery cell, and the negative pole lug is arranged at the other end part of the battery cell. When the positive pole lug and the negative pole lug are arranged at the same end, heat generated in the battery cell is conducted to one end of the battery cell in a centralized manner to realize heat dissipation. When positive pole utmost point ear and negative pole utmost point ear set up respectively at the relative both ends of electric core, the heat that the electric core is inside then dispels the heat to both ends, and the heat dissipation is more even, and the radiating efficiency is higher.
As an improvement of the battery module, the bus bar includes a positive bus bar and a negative bus bar, positive tabs of the plurality of battery cells are connected to the positive bus bar, and negative tabs of the plurality of battery cells are connected to the negative bus bar.
As an improvement of the battery module, the battery cell is a laminated battery cell, a plurality of positive electrode plates in the battery cell are all connected with the positive electrode tabs, and a plurality of negative electrode plates in the battery cell are all connected with the negative electrode tabs. When the lug is adopted for heat dissipation, each pole piece is directly connected with the lug, so the heat dissipation speed is the same, even if some temperature gradients can be generated inside the pole pieces, the distribution of current on each pole piece is the same because each pole piece is the same, the current distribution in the battery is relatively uniform, and the attenuation speed of the battery is greatly reduced.
As an improvement of the battery module, the battery cell is a winding battery cell, a positive electrode plate in the battery cell is connected with the positive electrode tab, and a negative electrode plate in the battery cell is connected with the negative electrode tab.
As an improvement of the battery module, the battery module further comprises a heat-conducting adhesive, wherein the heat-conducting adhesive is attached between the tab and the heat-conducting member, or the heat-conducting adhesive is attached between the busbar and the heat-conducting member. The heat-conducting glue ensures that the lug or the busbar is in close contact with the heat-conducting piece, and ensures that heat conducted to the lug by the battery cell can be fully dissipated in time.
The improved battery module further comprises a buffer piece, wherein every N battery cores form one battery unit, the buffer piece is arranged between every two adjacent battery units, and N is larger than or equal to 1. The buffer piece is a heat-insulating foaming material with the thickness of 0.5-2 mm. Firstly, the heat-insulating foaming material has low hardness and high resilience, and can absorb the bulging stress of the battery to play a role in buffering; secondly, when the battery core sends out thermal runaway, the buffer piece can play a role in heat insulation, inhibit thermal diffusion and delay accidents; and finally, when the electric core is on fire, the flame retardant effect of the buffer piece can delay the fire spreading and increase the escape time.
As an improvement of the battery module, the battery module further comprises a box body, and the plurality of battery cells, the bus bar and the heat conducting piece are all fixed in the box body.
Another object of the invention is: the battery pack comprises at least one battery module and a cooling system for cooling the battery module, wherein the battery module is the battery module in any section of the specification.
The invention has the beneficial effects that:
1) In the battery module, heat generated in the battery cell is transferred to the lug through the pole piece, and then the lug transfers the heat to the heat conducting piece, so that more direct and rapid heat dissipation is realized, the heat is prevented from being accumulated in the middle of the battery cell, the temperature of the battery cell is homogenized, and the heat dissipation performance is improved.
2) In the battery module, the radiating fins in the traditional battery module are removed, so that the parts of the battery module are reduced, the weight is reduced, and the energy density is improved.
3) In the battery pack, the heat generated by the battery module is quickly transferred to the cooling system of the battery pack through the heat conducting piece, so that the direct and quick heat dissipation is realized.
4) The battery module and the battery pack have simple and reasonable structures, are convenient to realize, have strong practicability and are suitable for popularization and application.
Drawings
Fig. 1 is a schematic structural view of a battery module according to the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is one of the structural schematic diagrams of the cell.
Fig. 4 is a second schematic diagram of the cell structure.
Wherein: 1-battery core, 2-anode tab, 3-cathode tab, 4-anode busbar, 5-cathode busbar, 6-heat conducting piece, 7-heat conducting glue, 8-buffer piece and 9-box body.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.
Example 1
As shown in fig. 1 to 3, a battery module includes a plurality of battery cells 1, a busbar and a heat conducting member 6, wherein the plurality of battery cells 1 are provided with tabs, the tabs are connected with the busbar, and the heat conducting member 6 is attached to the tabs or the busbar. The heat generated in the plurality of battery cells 1 is conducted to the heat conducting member 6 through the tabs, or the heat generated in the plurality of battery cells 1 is conducted to the busbar through the tabs and then conducted to the heat conducting member 6.
Further, the tab comprises a positive tab 2 and a negative tab 3, and the positive tab 2 and the negative tab 3 are disposed at the same end of the battery cell 1.
Further, the busbar comprises a positive busbar 4 and a negative busbar 5, the positive tabs 2 of the plurality of cells 1 are connected with the positive busbar 4, and the negative tabs 3 of the plurality of cells 1 are connected with the negative busbar 5.
Further, electric core 1 is lamination formula electric core, and a plurality of positive pole pieces in electric core 1 all are connected with anodal utmost point ear 2, and a plurality of negative pole pieces in electric core 1 all are connected with negative pole utmost point ear 3. When the lug is adopted for heat dissipation, each pole piece is directly connected with the lug, so the heat dissipation speed is the same, even if some temperature gradients can be generated inside the pole pieces, the distribution of current on each pole piece is the same because each pole piece is the same, the current distribution in the battery is relatively uniform, and the attenuation speed of the battery is greatly reduced.
The embodiment further comprises a heat-conducting glue 7, wherein the heat-conducting glue 7 is attached between the lug and the heat-conducting piece 6, or the heat-conducting glue is attached between the busbar and the heat-conducting piece 6. The heat-conducting glue 7 ensures that the lug or the busbar is in close contact with the heat-conducting piece 6, and ensures that heat conducted to the lug by the battery core 1 can be fully dissipated in time.
The embodiment further includes a buffer 8, each N electric cores 1 form one battery unit, and the buffer 8 is disposed between two adjacent battery units, where N is greater than or equal to 1. The buffer member 8 is a heat-insulating foam material with a thickness of 0.5-2 mm. Firstly, the heat-insulating foaming material has low hardness and high resilience, and can absorb the bulging stress of the battery to play a role in buffering; secondly, when the battery cell 1 sends out thermal runaway, the buffer part 8 can play a role in heat insulation, inhibit thermal diffusion and delay accidents; finally, when the electric core 1 is on fire, the flame retardant effect of the buffer member 8 can delay the fire spreading and increase the escape time.
The embodiment further comprises a box body 9, and the plurality of battery cells 1, the busbar and the heat conducting piece 6 are all fixed in the box body 9.
Example 2
The difference from example 1 is: in this embodiment, the battery cell 1 is a winding battery cell, a positive electrode plate in the battery cell 1 is connected to the positive electrode tab 2, and a negative electrode plate in the battery cell 1 is connected to the negative electrode tab 3.
The rest is the same as embodiment 1, and the description is omitted here.
Example 3
As shown in fig. 4, unlike embodiment 1: in the present embodiment, the tabs include a positive tab 2 and a negative tab 3, the positive tab 2 is disposed at one end of the battery cell 1, and the negative tab 3 is disposed at the other end of the battery cell 1. Set up anodal utmost point ear 2 and negative pole utmost point ear 3 respectively at electric core 1 relative both ends for the heat of electric core 1 inside production dispels the heat through both ends, and the heat dissipation is more even, and the radiating efficiency is higher.
The rest is the same as embodiment 1, and the description is omitted here.
Example 4
A battery pack includes at least one battery module of embodiment 1 and a cooling system for dissipating heat from the battery module.
Example 5
A battery pack includes at least one battery module of embodiment 2 and a cooling system for dissipating heat from the battery module.
Example 6
A battery pack includes at least one battery module of embodiment 3 and a cooling system for dissipating heat from the battery module.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A battery module, its characterized in that: including a plurality of electric cores, busbar and heat conduction spare, it is a plurality of the electric core all is provided with utmost point ear, utmost point ear with the busbar is connected, just heat conduction spare with utmost point ear or the laminating of busbar.
2. The battery module according to claim 1, wherein: the heat generated in the battery cores is conducted to the heat conducting piece through the lugs, or the heat generated in the battery cores is conducted to the busbar through the lugs and then conducted to the heat conducting piece.
3. the battery module according to claim 1, wherein: the tabs comprise a positive tab and a negative tab, and the positive tab and the negative tab are arranged at the same end of the battery cell; or the positive pole lug is arranged at one end part of the battery cell, and the negative pole lug is arranged at the other end part of the battery cell.
4. The battery module according to claim 1, wherein: the busbar includes anodal busbar and negative pole busbar, and is a plurality of the anodal utmost point ear of electric core with anodal busbar is connected, and is a plurality of the negative pole utmost point ear of electric core with the negative pole busbar is connected.
5. The battery module according to claim 1, wherein: the battery cell is a laminated battery cell, a plurality of positive pole pieces in the battery cell are all connected with the positive pole lug, and a plurality of negative pole pieces in the battery cell are all connected with the negative pole lug.
6. The battery module according to claim 1, wherein: the battery cell is a winding battery cell, a positive pole piece in the battery cell is connected with the positive pole lug, and a negative pole piece in the battery cell is connected with the negative pole lug.
7. The battery module according to claim 1, wherein: the heat-conducting glue is attached between the lug and the heat-conducting piece or between the busbar and the heat-conducting piece.
8. The battery module according to claim 1, wherein: the battery cell structure is characterized by further comprising a buffer piece, wherein every N battery cells form a battery unit, the buffer piece is arranged between every two adjacent battery units, and N is larger than or equal to 1.
9. The battery module according to claim 1, wherein: the battery cell is characterized by further comprising a box body, and the battery cells, the bus bars and the heat conducting pieces are all fixed in the box body.
10. A battery package, includes at least one battery module and is used for to the cooling system that the battery module dispels the heat, its characterized in that: the battery module according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927737.0A CN110556607A (en) | 2019-09-27 | 2019-09-27 | battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927737.0A CN110556607A (en) | 2019-09-27 | 2019-09-27 | battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110556607A true CN110556607A (en) | 2019-12-10 |
Family
ID=68741829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910927737.0A Pending CN110556607A (en) | 2019-09-27 | 2019-09-27 | battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110556607A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162225A (en) * | 2020-03-02 | 2020-05-15 | 荣盛盟固利新能源科技有限公司 | Battery module |
| CN111403845A (en) * | 2020-03-28 | 2020-07-10 | 哈尔滨工程大学 | Power battery tab heat dissipation system capable of exhausting waste gas |
| CN112787000A (en) * | 2021-02-15 | 2021-05-11 | 苏州阿福机器人有限公司 | Radiating electric core packaging structure of electrode lid |
| CN113540640A (en) * | 2021-07-19 | 2021-10-22 | 远景动力技术(江苏)有限公司 | Power battery module |
| CN113809466A (en) * | 2021-10-26 | 2021-12-17 | 海口安驰博尔能源技术开发有限公司 | A soft-pack lithium-ion battery module horizontal arrangement structure |
| DE102021115705B3 (en) | 2021-06-17 | 2022-06-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Battery for a motor vehicle |
| CN115863833A (en) * | 2022-12-21 | 2023-03-28 | 国联汽车动力电池研究院有限责任公司 | Busbar cooling module and battery module |
| WO2024037133A1 (en) * | 2022-08-19 | 2024-02-22 | 比亚迪股份有限公司 | Battery pack and vehicle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162225A (en) * | 2020-03-02 | 2020-05-15 | 荣盛盟固利新能源科技有限公司 | Battery module |
| CN111403845A (en) * | 2020-03-28 | 2020-07-10 | 哈尔滨工程大学 | Power battery tab heat dissipation system capable of exhausting waste gas |
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| CN112787000A (en) * | 2021-02-15 | 2021-05-11 | 苏州阿福机器人有限公司 | Radiating electric core packaging structure of electrode lid |
| DE102021115705B3 (en) | 2021-06-17 | 2022-06-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Battery for a motor vehicle |
| CN113540640A (en) * | 2021-07-19 | 2021-10-22 | 远景动力技术(江苏)有限公司 | Power battery module |
| CN113809466A (en) * | 2021-10-26 | 2021-12-17 | 海口安驰博尔能源技术开发有限公司 | A soft-pack lithium-ion battery module horizontal arrangement structure |
| WO2024037133A1 (en) * | 2022-08-19 | 2024-02-22 | 比亚迪股份有限公司 | Battery pack and vehicle |
| CN115863833A (en) * | 2022-12-21 | 2023-03-28 | 国联汽车动力电池研究院有限责任公司 | Busbar cooling module and battery module |
| CN115863833B (en) * | 2022-12-21 | 2024-12-17 | 国联汽车动力电池研究院有限责任公司 | Busbar cooling assembly and battery module |
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Application publication date: 20191210 |
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| RJ01 | Rejection of invention patent application after publication |