CN111063959A - Electric vehicle and battery module thereof - Google Patents
Electric vehicle and battery module thereof Download PDFInfo
- Publication number
- CN111063959A CN111063959A CN201811210830.1A CN201811210830A CN111063959A CN 111063959 A CN111063959 A CN 111063959A CN 201811210830 A CN201811210830 A CN 201811210830A CN 111063959 A CN111063959 A CN 111063959A
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- Prior art keywords
- liquid cooling
- cooling plate
- electric core
- battery
- heat conduction
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 82
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000002390 adhesive tape Substances 0.000 claims description 41
- 239000003292 glue Substances 0.000 claims description 37
- 239000000853 adhesive Substances 0.000 abstract description 26
- 230000001070 adhesive effect Effects 0.000 abstract description 26
- 239000002184 metal Substances 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 8
- 239000004020 conductor Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H01M10/60—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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
- H01M10/6554—Rods or plates
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the technical field of power batteries, and particularly provides an electric vehicle and a battery module thereof. The electric vehicle comprises a frame and a battery module arranged on the frame, the battery module comprises a liquid cooling plate and an electric core arranged on the liquid cooling plate, the electric core is fixedly bonded with the liquid cooling plate, a structural adhesive for bonding the liquid cooling plate with the electric core is arranged between the liquid cooling plate and the electric core, and a heat conduction material which is in contact with the liquid cooling plate and the electric core and conducts heat is arranged between the liquid cooling plate and the electric core. The structural adhesive is arranged between the liquid cooling plate and the battery core, has high connection strength and strong bonding capacity compared with a heat conduction adhesive, can stably connect the battery core to the liquid cooling plate, and is also provided with the heat conduction material.
Description
Technical Field
The invention relates to the technical field of power batteries, in particular to an electric vehicle and a battery module thereof.
Background
With the continuous progress of the power battery technology, the application of the power battery system in the automobile field is more and more extensive. Meanwhile, with the development of technology, the performance requirements of electric vehicles on power battery systems are also higher and higher. Electric vehicle charges at high magnification and traveles the use in-process, and the electric core as the battery monomer generates heat and can lead to the temperature of electric core and battery box to continue to rise, leads to the warning of charging/current limiting of driving system, can make the time of charging become long, output reduces to the electric core generates heat and leads to the high temperature of battery and battery module, makes driving system's life-span shorten. The problem of temperature rise of the battery module becomes an important factor for restricting the performance and the service life of the power system, the problem of overhigh temperature of a battery core and a battery box in the battery module is solved, and the charge and discharge performance of the power system and the service life of the power system can be effectively improved.
In the prior art, in order to guarantee the normal work of battery module, adopt the liquid cooling board to dispel the heat to electric core usually. For example, patent document No. CN203631621U entitled "2014.06.04" discloses a battery module, which includes a battery pack formed by stacking a plurality of battery cells in sequence, metal end plates disposed at both ends of the battery pack in the stacking direction, and end insulating plates disposed between the metal end plates and the battery cells. And structural glue is coated on the two front sides of each battery cell, the front side and the back side of each end insulation board in the stacking direction of the battery cells and the surface of each metal end plate attached to the corresponding end insulation board. The bottom surface of the battery pack is provided with a metal bottom plate, the whole inner surface of the metal bottom plate is provided with an insulating film, heat conducting glue is arranged between the insulating film and the bottom surface of the battery pack, and the metal bottom plate can transfer heat of the battery pack outwards.
However, when the battery module moves along with the electric vehicle, the frame can transmit the vibration to the battery module fixed on the frame, so that the battery module is influenced by the vibration, and therefore, when the bottom surface of the battery pack is fixed on the metal bottom plate only by using the heat-conducting glue, the high requirement is provided for the bonding strength of the heat-conducting glue. The battery pack and the metal base plate are fixed by using the heat-conducting glue, the fixing strength is not enough, and the connection failure of the battery pack and the metal base plate can occur in the use process of the battery module.
Disclosure of Invention
The invention aims to provide a battery module, which can solve the problem of low connection strength of the battery module in the prior art; in addition, the present invention also provides an electric vehicle using the battery module, which can ensure the connection stability of the battery module and the driving stability of the electric vehicle.
In order to achieve the purpose, the electric vehicle adopts the following technical scheme:
electric vehicle, including frame and the battery module of setting on the frame, the battery module includes liquid cooling board and the electric core of setting on the liquid cooling board, electric core and liquid cooling board bonding are fixed, are equipped with the structure that bonds liquid cooling board and electric core between liquid cooling board and the electric core and glue, are equipped with the heat conduction material that conducts heat with liquid cooling board and electric core contact between liquid cooling board and the electric core.
The beneficial effects are that: the structural adhesive is arranged between the liquid cooling plate and the battery core, has high connection strength and strong bonding capacity compared with a heat conduction adhesive, can stably connect the battery core to the liquid cooling plate, and is provided with a heat conduction material for ensuring good heat exchange between the liquid cooling plate and the battery core.
Further, the heat conduction material is heat conduction glue, and electric core and liquid cooling plate all bond with heat conduction glue.
The beneficial effects are that: the heat conduction material sets up to the heat conduction glue, and the heat conduction glue has both had the heat conductivity and has the adhesion ability, has improved the joint strength of electric core and liquid cooling board to there is the stopping in the heat conduction glue if the metal particle, can increase weight, only is provided with partial heat conduction glue between liquid cooling board and electric core, has avoided the technical scheme who completely uses the heat conduction glue between liquid cooling board and electric core, also can reduce the weight of battery module, has improved the energy density of battery module.
Further, the structure is glued and is extended along the direction of piling up of electric core and arrange in order to form the structure adhesive tape that bonds between electric core and liquid cooling board, structure adhesive tape interval is provided with more than two.
The beneficial effects are that: pile up the direction setting along electric core with the structure glue to make the structure glue and form the structure adhesive tape more than two of interval arrangement on liquid-cooled board, double-phase adjacent structure adhesive tape bonds the bottom surface of an electric core, can realize fixing a plurality of electric cores through a fixed adhesive tape, has both saved the structure and has glued, can provide more packing space for heat-conducting glue again.
Furthermore, the two ends of the bottom surface of the battery cell in the direction perpendicular to the stacking direction of the battery cell are respectively bonded with two structural adhesive tapes arranged at intervals.
The beneficial effects are that: the battery module is in mechanical vibration, mechanical shock's operating mode, and its both sides along width direction can receive great effort, consequently, make the bottom surface of electric core pile up the both ends of direction along perpendicular to electric core and bond with the structure adhesive tape of difference simultaneously, when the structure adhesive tape at electric core both ends was inefficacy in life cycle, the impact effect of external impact to electric core middle part is very little, consequently adopts this kind of connection structure, makes the structure adhesive tape carry out the adhesion to the main atress position of electric core.
In order to achieve the purpose, the battery module adopts the following technical scheme:
the battery module comprises a liquid cooling plate and an electric core arranged on the liquid cooling plate, wherein the electric core is fixedly bonded with the liquid cooling plate, a structural adhesive for bonding the liquid cooling plate with the electric core is arranged between the liquid cooling plate and the electric core, and a heat conduction material which is in contact with the liquid cooling plate and the electric core to conduct heat is arranged between the liquid cooling plate and the electric core.
The beneficial effects are that: the structural adhesive is arranged between the liquid cooling plate and the battery core, has high connection strength and strong bonding capacity compared with a heat conduction adhesive, can stably connect the battery core to the liquid cooling plate, and is provided with a heat conduction material for ensuring good heat exchange between the liquid cooling plate and the battery core.
Further, the heat conduction material is heat conduction glue, and electric core and liquid cooling plate all bond with heat conduction glue.
The beneficial effects are that: the heat conduction material sets up to the heat conduction glue, and the heat conduction glue has both had the heat conductivity and has the adhesion ability, has improved the joint strength of electric core and liquid cooling board to there is the stopping in the heat conduction glue if the metal particle, can increase weight, only is provided with partial heat conduction glue between liquid cooling board and electric core, has avoided the technical scheme who completely uses the heat conduction glue between liquid cooling board and electric core, also can reduce the weight of battery module, has improved the energy density of battery module.
Further, the structure is glued and is extended along the direction of piling up of electric core and arrange in order to form the structure adhesive tape that bonds between electric core and liquid cooling board, structure adhesive tape interval is provided with more than two.
The beneficial effects are that: pile up the direction setting along electric core with the structure glue to make the structure glue and form the structure adhesive tape more than two of interval arrangement on liquid-cooled board, double-phase adjacent structure adhesive tape bonds the bottom surface of an electric core, can realize fixing a plurality of electric cores through a fixed adhesive tape, has both saved the structure and has glued, can provide more packing space for heat-conducting glue again.
Furthermore, the two ends of the bottom surface of the battery cell in the direction perpendicular to the stacking direction of the battery cell are respectively bonded with two structural adhesive tapes arranged at intervals.
The beneficial effects are that: the battery module is in mechanical vibration, mechanical shock's operating mode, and its both sides along width direction can receive great effort, consequently, make the bottom surface of electric core pile up the both ends of direction along perpendicular to electric core and bond with the structure adhesive tape of difference simultaneously, when the structure adhesive tape at electric core both ends was inefficacy in life cycle, the impact effect of external impact to electric core middle part is very little, consequently adopts this kind of connection structure, makes the structure adhesive tape carry out the adhesion to the main atress position of electric core.
Drawings
Fig. 1 is a schematic structural view of a battery module according to the present invention;
fig. 2 is a schematic diagram of the arrangement of structural adhesive and heat conducting material on the liquid cooling plate of the present invention.
In the figure: 1. a liquid-cooled plate; 2. an electric core; 3. heat conducting glue; 4. and (4) structural adhesive.
Detailed Description
The embodiments of the present invention will now be described with reference to the accompanying drawings.
The electric vehicle includes a vehicle frame forming an electric vehicle body, and a battery module as a power source of the electric vehicle is provided on the vehicle frame. As shown in fig. 1, the battery module includes a liquid cooling plate 1 and an electric core 2 arranged on the liquid cooling plate 1, the electric core 2 generates heat when charging or discharging, a cooling medium channel is arranged in the liquid cooling plate 1, the electric core 2 is cooled and radiated when the cooling medium is introduced, and the electric core 2 is kept in a stable working state. In order to guarantee the relation of connection of electric core 2 and liquid cooling board 1, be provided with the structure between electric core 2 and liquid cooling board 1 and glue 4, the effect that the structure was glued 4 is with carrying out stable connection between electric core 2 and the liquid cooling board 1, and the essence that the structure was glued 4 is the viscose, and the quality is lighter, between liquid cooling board 1 and electric core 2, still is provided with the heat conduction material that can improve heat transfer efficiency between liquid cooling board 1 and electric core 2. In this example, the heat conductive material is a heat conductive paste 3 having an adhesive ability, and the heat conductive paste 3 has metal particles for improving the conductive ability.
As shown in fig. 2, the shape of the liquid cooling plate 1 is rectangular, 4 structural adhesive is provided on the contact surface of the liquid cooling plate 1 and the battery cell 2, the structural adhesive 4 is extended along the stacking direction of the battery cell 2 and is arranged on the liquid cooling plate 1 to form a structural adhesive tape, such structural adhesive tape is provided with a plurality of structural adhesive tapes on the liquid cooling plate 1 at intervals along the length direction of the liquid cooling plate 1, the distance between the structural adhesive tapes is less than the width of the battery cell 2, and the bottom surface of the battery cell 2 is bonded with the structural adhesive tapes respectively along the edges of the two ends perpendicular to the stacking direction of the battery cell. A plurality of electric cores 2 in a battery module have shared two structure adhesive tapes. Be provided with a plurality of groups of batteries along its length direction on liquid cooling board 1, be provided with the interval between the group of batteries, this interval relies on in 1 length direction of liquid cooling board, and the structure adhesive tape interval arrangement that connects is carried out different electric cores 2 forms.
Between the structure adhesive tape that bonds to same electric core 2, it has heat-conducting glue 3 to fill, and heat-conducting glue 3 is full of completely between two structure adhesive tapes moreover, and this kind of arrangement structure has made to be covered with structure adhesive tape and heat-conducting glue 3 between electric core 2 and the liquid cooling board 1, and structure adhesive tape all has the bonding ability with heat-conducting glue 3, has improved the joint strength of electric core 2 with liquid cooling board 1, and the bonding ability of structure adhesive tape is stronger, and heat-conducting glue 3 still has the effect of heat conduction.
In other embodiments, the heat conducting material may be replaced by a material without adhesive ability, such as heat conducting silicone grease or heat conducting paste, or a heat conducting pad is used, and the side surface of the heat conducting pad opposite to the liquid cooling plate and the battery core is coated with an adhesive, so that the heat conducting pad is fixed between the battery core and the liquid cooling plate.
In other embodiments, the bonding manner of the structural adhesive may be replaced by other manners, for example, the structural adhesive is disposed along the s-shape on the contact surface between the electric core and the liquid cooling plate, but it should be ensured that the plurality of electric cores can be bonded on the liquid cooling plate by the structural adhesive at the same time, and the structural adhesive is not disposed along the width direction of the liquid cooling plate any more, so that the structural adhesive supports both sides of the electric core in the width direction.
In other embodiments, three adhesive tapes may be disposed below one battery pack, so that two ends of the bottom surface of a battery cell in the battery pack along a direction perpendicular to the stacking direction of the battery cell are respectively bonded to the spaced structural adhesive tapes, and the structural adhesive tape between the adhesive tapes at the two ends is disposed in the middle of the bottom surface of the battery cell.
In other embodiments, the structural adhesive may also form a wide range of shapes such as an adhesive block between the liquid cooling plate and the battery core, and is not limited to forming a thin and long adhesive tape.
In other embodiments, gaps may be left between the structural adhesive and the thermally conductive material without the thermally conductive material being spread between the structural adhesive strips.
In other embodiments, a combination of structural adhesive and thermal conductive adhesive may be used to bond the battery cells to other plates, for example, the battery cells may be directly bonded to the bottom of the battery box.
In other embodiments, an end plate and a side plate may be further disposed in the battery module to fix the battery cell, and a tie may be further added outside the end plate and the side plate.
The structure of the battery module in the present invention is the same as that of the battery module in the above-described embodiment of the electric vehicle, and therefore, a description thereof will not be repeated.
The above-mentioned embodiments, the objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. Electric vehicle, including frame and the battery module of setting on the frame, the battery module includes liquid cooling board and sets up the electric core on the liquid cooling board, its characterized in that: the battery cell is fixedly bonded with the liquid cooling plate, the structure for bonding the liquid cooling plate with the battery cell is arranged between the liquid cooling plate and the battery cell, and the heat conduction material which is in contact with the liquid cooling plate and the battery cell to conduct heat is arranged between the liquid cooling plate and the battery cell.
2. The electric vehicle according to claim 1, characterized in that: the heat conduction material is heat conduction glue, and electric core and liquid cooling plate all bond with heat conduction glue.
3. The electric vehicle according to claim 1 or 2, characterized in that: the structure is glued and is extended along the direction of piling up of electric core and arrange in order to form the structure adhesive tape that bonds between electric core and liquid cooling board, structure adhesive tape interval is provided with more than two.
4. The electric vehicle according to claim 3, characterized in that: the bottom surface of the battery cell is respectively bonded with two structure adhesive tapes arranged at intervals along two ends perpendicular to the stacking direction of the battery cell.
5. The battery module includes liquid cooling board and electric core of setting on the liquid cooling board, its characterized in that: the battery cell is fixedly bonded with the liquid cooling plate, the structure for bonding the liquid cooling plate with the battery cell is arranged between the liquid cooling plate and the battery cell, and the heat conduction material which is in contact with the liquid cooling plate and the battery cell to conduct heat is arranged between the liquid cooling plate and the battery cell.
6. The battery module according to claim 5, wherein: the heat conduction material is heat conduction glue, and electric core and liquid cooling plate all bond with heat conduction glue.
7. The battery module according to claim 5 or 6, wherein: the structure is glued and is extended along the direction of piling up of electric core and arrange in order to form the structure adhesive tape that bonds between electric core and liquid cooling board, structure adhesive tape interval is provided with more than two.
8. The battery module according to claim 7, wherein: the bottom surface of the battery cell is respectively bonded with two structure adhesive tapes arranged at intervals along two ends perpendicular to the stacking direction of the battery cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210830.1A CN111063959A (en) | 2018-10-17 | 2018-10-17 | Electric vehicle and battery module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210830.1A CN111063959A (en) | 2018-10-17 | 2018-10-17 | Electric vehicle and battery module thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111063959A true CN111063959A (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811210830.1A Pending CN111063959A (en) | 2018-10-17 | 2018-10-17 | Electric vehicle and battery module thereof |
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| Country | Link |
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| CN (1) | CN111063959A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599957A (en) * | 2020-04-27 | 2020-08-28 | 威睿电动汽车技术(宁波)有限公司 | Battery module and battery pack |
| CN113140850A (en) * | 2021-03-04 | 2021-07-20 | 厦门海辰新能源科技有限公司 | Battery pack |
| CN113540650A (en) * | 2021-08-12 | 2021-10-22 | 宁波信泰机械有限公司 | Module support of cylindrical battery, battery pack and mounting method |
| CN113782860A (en) * | 2021-11-17 | 2021-12-10 | 江铃汽车股份有限公司 | Liquid cooling plate with anti-sticking agent sprayed on surface, spraying method and battery pack |
| CN114374020A (en) * | 2021-12-31 | 2022-04-19 | 中国第一汽车股份有限公司 | Battery pack and vehicle with same |
| DE102022130233A1 (en) | 2022-11-15 | 2024-05-16 | Audi Aktiengesellschaft | Battery arrangement for a motor vehicle and method for producing a battery arrangement with improved mechanical stability |
| CN114374020B (en) * | 2021-12-31 | 2024-06-04 | 中国第一汽车股份有限公司 | Battery pack and vehicle with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111599957A (en) * | 2020-04-27 | 2020-08-28 | 威睿电动汽车技术(宁波)有限公司 | Battery module and battery pack |
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| CN113140850A (en) * | 2021-03-04 | 2021-07-20 | 厦门海辰新能源科技有限公司 | Battery pack |
| CN113540650A (en) * | 2021-08-12 | 2021-10-22 | 宁波信泰机械有限公司 | Module support of cylindrical battery, battery pack and mounting method |
| CN113782860A (en) * | 2021-11-17 | 2021-12-10 | 江铃汽车股份有限公司 | Liquid cooling plate with anti-sticking agent sprayed on surface, spraying method and battery pack |
| CN113782860B (en) * | 2021-11-17 | 2023-11-07 | 江铃汽车股份有限公司 | Liquid cooling plate with anti-sticking agent sprayed on surface, spraying method and battery pack |
| CN114374020A (en) * | 2021-12-31 | 2022-04-19 | 中国第一汽车股份有限公司 | Battery pack and vehicle with same |
| CN114374020B (en) * | 2021-12-31 | 2024-06-04 | 中国第一汽车股份有限公司 | Battery pack and vehicle with same |
| DE102022130233A1 (en) | 2022-11-15 | 2024-05-16 | Audi Aktiengesellschaft | Battery arrangement for a motor vehicle and method for producing a battery arrangement with improved mechanical stability |
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