CN209993643U - Power battery box and power battery - Google Patents
Power battery box and power battery Download PDFInfo
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- CN209993643U CN209993643U CN201920944103.1U CN201920944103U CN209993643U CN 209993643 U CN209993643 U CN 209993643U CN 201920944103 U CN201920944103 U CN 201920944103U CN 209993643 U CN209993643 U CN 209993643U
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- 238000003825 pressing Methods 0.000 claims description 46
- 238000005452 bending Methods 0.000 claims description 27
- 230000007704 transition Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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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
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Abstract
The utility model provides a power battery box and power battery, the box includes bottom plate and four curb plates, is equipped with the backup pad that supports the battery module on the bottom plate, is equipped with the lightening hole in the backup pad, and the box still includes the clamp plate with curb plate fixed connection in order to compress tightly the battery module, is equipped with the fixing base on the board of relative both sides, and fastener and fixing base releasable connection are passed through at the clamp plate both ends. Has the advantages that: compared with the battery module which is directly placed on the bottom plate, the double-layer support at the bottom can enhance the mechanical vibration impact resistance of the box body by arranging one more layer, so that most of vibration force is directly absorbed by the bottom plate, and part of vibration force is absorbed by the supporting plate, thereby protecting the battery module; the lightening holes arranged on the supporting plate can avoid increasing the weight of the box body too much; utilize the clamp plate to compress tightly fixed battery module, no longer need other fixed knot structure or mounting, also from the angle that does not increase box weight, fully compromise the design principle of lightweight to power battery's energy density can be improved.
Description
Technical Field
The utility model relates to a power battery box and power battery.
Background
The electric automobile takes electric energy as a main driving energy source, and the application and popularization of the electric automobile can reduce the consumption of the automobile on petroleum resources, lighten the urban 'heat island effect' and achieve the aim of improving the environment. The driving electric energy of the electric vehicle is mainly provided by the power battery, and therefore, the performance of the power battery determines the service performance of the electric vehicle, such as driving range and safety, to a great extent. In practical applications, the key factors affecting the performance of the power battery are the energy density and the service life of the power battery.
The power battery is arranged on the automobile and takes the battery box body as a carrier, the battery box body plays a role in fixing and protecting the battery module, and particularly, the automobile jolts in the driving process, so that the box body needs to have good mechanical vibration impact resistance so as to reduce the vibration force applied to the battery module and protect the safety of the battery module. In addition, the weight of the box body is a great factor for determining the energy density of the power battery, and how to make the box body have better fixed protection performance and meet the design principle of light weight so as to improve the energy density and safety of the power battery is a design problem of the battery box body all the time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power battery box body which has better mechanical vibration impact resistance and can also realize light weight; an object of the utility model is to provide a possess better anti mechanical vibration impact performance, can compromise the power battery of lightweight again simultaneously.
In order to achieve the above object, the utility model provides a power battery box adopts following technical scheme:
the utility model provides a power battery box, includes bottom plate and four curb plates on every side, is provided with the backup pad that is used for supporting the battery module on the bottom plate, is provided with the lightening hole in the backup pad, and power battery box is still including being used for placing the battery module in the backup pad after with curb plate fixed connection in order to compress tightly the clamp plate of fixed battery module, be provided with the fixing base on two relative curb plates, fastener and fixing base detachable connections are passed through at the both ends of clamp plate.
The technical scheme of the power battery box body has the beneficial effects that: because the supporting plate is arranged on the bottom plate, the battery module is supported by the supporting plate, and the bottom of the battery module is equivalent to double-layer support, compared with the situation that the battery module is directly placed on the bottom plate, the battery module is additionally provided with one layer of material which can enhance the mechanical vibration impact resistance of the box body, so that most of the vibration force is directly absorbed by the bottom plate, and part of the vibration force is absorbed by the supporting plate, thereby protecting the safety of the battery module; and owing to set up the backup pad more, for avoiding the weight of too much increase box, set up the lightening hole in the backup pad to after having placed battery module, directly utilize the clamp plate to compress tightly fixed battery module, no longer need other fixed knot to construct or mounting, also from the angle that does not increase box weight, fully compromise the design principle of lightweight, thereby can improve power battery's energy density.
Furthermore, in order to enable the pressing plate to have a better pressing and fixing effect and avoid the movement of the battery modules, the pressing plate comprises a separation part which is inserted between two adjacent rows of the battery modules to separate the two rows of the battery modules, and the pressing plate further comprises a pressing part which is used for respectively pressing the two adjacent rows of the battery modules.
Furthermore, in order to facilitate the manufacture of the pressing plate, the pressing plate comprises two L-shaped bending plates, the vertical sections of the two bending plates are fixed in a pasting mode and form the separation part, and the horizontal sections of the two bending plates are arranged in a back-to-back mode and respectively form the compression part.
Furthermore, in order to conveniently realize the connection between the pressing plate and the fixing seat, the pressing plate further comprises Z-shaped connecting plates which are respectively fixed at two ends of the bending plate, and each Z-shaped connecting plate comprises a first fixing section, a second fixing section and a middle transition section, wherein the first fixing section is fixedly connected with the top surface of the horizontal section, the second fixing section is detachably connected with the fixing seat, and the middle transition section is connected with the first fixing section and the second fixing section.
Furthermore, in order to conveniently arrange the positive and negative plugs and the battery management system, and the weight of the box body is not excessively increased, two limiting plates which are respectively arranged at intervals with two adjacent side plates are further arranged in the power battery box body, a module placing space for placing a battery module is defined between the two limiting plates and the other two adjacent side plates, each limiting plate is provided with a lightening hole, the side plate opposite to one limiting plate is provided with the positive and negative plugs, and the side plate opposite to the other limiting plate is provided with the battery management system.
In order to achieve the above object, the utility model provides a power battery adopts following technical scheme:
the utility model provides a power battery, includes the box and sets up the battery module in the box, and the box includes bottom plate and four curb plates on every side, is provided with the backup pad that supports the battery module on the bottom plate, is provided with the lightening hole in the backup pad, and the box is still including being used for placing the battery module in the backup pad after with curb plate fixed connection in order to compress tightly the clamp plate of fixed battery module, be provided with the fixing base on two relative curb plates, fastener and fixing base releasable connection are passed through at the both ends of clamp plate.
The technical scheme of the power battery has the beneficial effects that: because the supporting plate is arranged on the bottom plate, the battery module is supported by the supporting plate, and the bottom of the battery module is equivalent to double-layer support, compared with the situation that the battery module is directly placed on the bottom plate, the battery module is additionally provided with one layer of material which can enhance the mechanical vibration impact resistance of the box body, so that most of the vibration force is directly absorbed by the bottom plate, and part of the vibration force is absorbed by the supporting plate, thereby protecting the safety of the battery module; and owing to set up the backup pad more, for avoiding the weight of too much increase box, set up the lightening hole in the backup pad to after having placed battery module, directly utilize the clamp plate to compress tightly fixed battery module, no longer need other fixed knot to construct or mounting, also from the angle that does not increase box weight, fully compromise the design principle of lightweight, thereby can improve power battery's energy density.
Furthermore, in order to enable the pressing plate to have a better pressing and fixing effect and avoid the battery module from moving, the battery modules are provided with at least two rows, the pressing plate comprises a separation part which is inserted between two adjacent rows of battery modules to separate the two rows of battery modules, and the pressing plate further comprises a pressing part which is used for pressing the two adjacent rows of battery modules respectively.
Furthermore, in order to facilitate the manufacture of the pressing plate, the pressing plate comprises two L-shaped bending plates, the vertical sections of the two bending plates are fixed in a pasting mode and form the separation part, and the horizontal sections of the two bending plates are arranged in a back-to-back mode and respectively form the compression part.
Furthermore, in order to conveniently realize the connection between the pressing plate and the fixing seat, the pressing plate further comprises Z-shaped connecting plates which are respectively fixed at two ends of the bending plate, and each Z-shaped connecting plate comprises a first fixing section, a second fixing section and a middle transition section, wherein the first fixing section is fixedly connected with the top surface of the horizontal section, the second fixing section is detachably connected with the fixing seat, and the middle transition section is connected with the first fixing section and the second fixing section.
Furthermore, in order to conveniently arrange the positive and negative electrode plugs and the battery management system, and the weight of the box body is not excessively increased, two limiting plates which are respectively arranged at intervals with two adjacent side plates are further arranged in the box body, a module placing space for placing a battery module is defined between the two limiting plates and the other two adjacent side plates, each limiting plate is provided with a lightening hole, the side plate opposite to one limiting plate is provided with the positive and negative electrode plugs, and the side plate opposite to the other limiting plate is provided with the battery management system.
Drawings
Fig. 1 is a three-dimensional structure diagram of a power battery of the present invention;
FIG. 2 is a perspective view of the platen of FIG. 1;
fig. 3 is a perspective view of the case of fig. 1.
In the figure: 1. a left side plate; 2. a rear side plate; 3. a right side plate; 4. a front side plate; 5. a right limit plate; 51. lightening holes; 6. a front limiting plate; 61. lightening holes; 7. a plug; 8. a battery module; 9. pressing a plate; 91. a left bending plate; 92. a right bending plate; 93. Z-shaped connection board; 931. connecting holes; 10. a battery management system; 11. a fixed seat; 12. a support plate; 121. and (7) lightening holes.
Detailed Description
The utility model discloses an embodiment of well power battery is shown in fig. 1, including box and the battery module 8 of setting in the box, it is shown in combination with fig. 3, the box comprises bottom plate, four curb plates on every side and upper cover (not shown in the figure), and wherein four curb plates are left side board 1, right side board 3, preceding curb plate 4 and posterior lateral plate 2 respectively. Be provided with in the box with preceding curb plate 4 interval and parallel preceding limiting plate 6, be provided with two plugs 7 on preceding curb plate 4, one of them is anodal plug, another is the negative pole plug, in the one end of plug 7 stretched into preceding curb plate 4 and preceding spacing between 6 the interval for link to each other with battery module 8 anodal or negative pole, the other one end of plug 7 stretches out in the outside of preceding curb plate 4, convenient and external power source line's connection.
Still be provided with in the box with 3 intervals of right curb plate and parallel right spacing board 5, be fixed with battery management system (BMS promptly) 10 on the right curb plate 3, BMS is located the interval between right curb plate 3 and the right spacing board 5, and whether the power battery breaks down is judged through monitoring power battery's temperature, voltage isoparametric to BMS, when judging that power battery breaks down, BMS feeds back the fault to whole car management system, is handled the fault by whole car management system.
Preceding limiting plate 6, right limiting plate 5, posterior lateral plate 2 and left side board 1 enclose into the module that is used for placing battery module 8 and place the space, and battery module 8 sets up in this space, and battery module 8 is total five. In addition, as shown in fig. 3, the bottom plate of the case is provided with the supporting plate 12, the battery module 8 is placed on the supporting plate 12, and thus the bottom is equivalent to a double-layer support, so that compared with the case of directly placing the battery module 8 on the bottom plate, the mechanical vibration impact resistance of the case can be enhanced by additionally arranging a layer, most of the vibration force is directly absorbed by the bottom plate, and a part of the vibration force is absorbed by the supporting plate 12, so that the safety of the battery module 8 can be protected.
And, except that front side and the right side in the box need set up plug and BMS respectively, and set up preceding limiting plate and right limiting plate and separate, do not set up other limiting plate in the box, the rear side of battery module 8 is direct to be contradicted with posterior lateral plate 2, and the left side is direct to be contradicted with left side board 1, length and the width of reduction box that like this can furthest to alleviate the weight of box. In addition, in order to avoid excessive arrangement of the front limiting plate 6, the right limiting plate 5 and the bottom supporting plate 12 and increase the weight of the box body, a plurality of lightening holes 61 which are uniformly distributed are arranged on the front limiting plate 6, a plurality of lightening holes 51 which are uniformly distributed are arranged on the right limiting plate 5, and a plurality of lightening holes 121 which are uniformly distributed are arranged on the supporting plate 12, so that the design principle of lightening the box body is fully considered, and the energy density of the power battery is improved. Meanwhile, the arrangement of the lightening holes is also beneficial to heat dissipation of the battery module.
As shown in fig. 3, four fixing seats 11 are respectively arranged on the front side plate 4 and the rear side plate 2 of the box body at intervals, and the eight fixing seats correspond to each other two by two to form four groups. The fixing seat 11 is in an L shape, reinforcing plates are fixed on two sides of the fixing seat, one side edge of the fixing seat 11 is welded and fixed with the inner wall of the box body, a threaded hole is machined in the other side edge of the fixing seat, or a nut is welded and fixed on the other side edge of the fixing seat to provide a threaded hole.
As shown in fig. 1, five battery module 8 are directly placed in the box, then fixed clamp plate 9 between two adjacent battery modules, as shown in fig. 2, clamp plate 9 includes the board of bending of two L shapes, left side board 91 and right side board 92 of bending respectively, the vertical section of two boards of bending is laminated fixedly and insert between two adjacent battery modules, thereby constitute the partition part who separates two adjacent battery modules, and then the removal about having restricted battery module, and guaranteed to have certain clearance between two adjacent battery modules, be favorable to battery module's heat dissipation.
The horizontal sections of the two bending plates are arranged in a back-to-back mode and respectively press two adjacent columns of battery modules, so that a pressing part is formed. The pressing plate 9 further comprises Z-shaped connecting plates 93 fixed at two ends of the bending plate respectively, and each Z-shaped connecting plate comprises a first fixed section fixedly connected with the top surface of the horizontal section, a second fixed section detachably connected with the fixing seat 9 and a middle transition section connected with the first fixed section and the second fixed section. Specifically, the second fixing segment is provided with a connecting hole 931 corresponding to the threaded hole in the fixing seat 11, and the pressing plate 9 is detachably connected to the fixing seat 9 through a bolt.
The setting up of clamp plate 9 has both restricted controlling of battery module, has restricted reciprocating of battery module simultaneously again, restricts the back-and-forth movement of battery module by box curb plate and limiting plate in addition to guaranteed the fixed effect of battery module, no longer need other fixed knot to construct or mounting, so such fixed mode is simple and convenient both, can simplify the box structure simultaneously again, alleviate box weight, and then can improve power battery's energy density.
In other embodiments of the power battery, the front limit plate and the right limit plate may not be provided with lightening holes.
In other embodiments of the power battery, when the battery management system is disposed on the right side plate, the plug may also be disposed on the rear side plate; of course, the battery management system may be disposed on the front side plate, and the plug may be disposed on the right side plate or the left side plate; or the battery management system is arranged on the rear side plate, and the plug is arranged on the left side plate or the right side plate; or the battery management system is arranged on the left side plate, and the plug is arranged on the front side plate or the rear side plate.
In other embodiments of the power battery, when the box body is not provided with the battery management system and only the plug is required to be arranged, only one limiting plate can be arranged, and at the moment, the battery module is arranged in a space surrounded by three side box body side plates and one limiting plate.
In other embodiments of the power battery, even if the battery management system and the plug need to be disposed on the box, the limiting plate may not be disposed in the box, for example, the placing groove of the battery module may be disposed at the bottom of the box, so as to limit the battery module.
In other embodiments of the power battery, the connecting plate connected to the fixing seat on the pressing plate may not be in a zigzag shape, for example, the connecting plate may be in an L shape, one side edge of the L-shaped connecting plate is fixedly connected to the top surface of the horizontal section of the bending plate, the other side edge is directly connected to the fixing seat, and at this time, the axes of the connecting holes on the fixing seat and the side edge extend horizontally.
In other embodiments of the power battery, the pressing plate may not include a connecting plate, the pressing plate is composed of only two L-shaped bending plates, a horizontal section of each L-shaped bending plate may be longer than a vertical section, and the extended portion is connected to the fixing seat.
In other embodiments of the power battery, the pressing plate may not be a combination of two L-shaped bending plates, for example, the pressing plate is formed by fixedly connecting a horizontal plate and a vertical plate, the horizontal plate and the fixing plate are T-shaped, the vertical plate forms the separating portion, the horizontal plate forms the compressing portion, and the horizontal plate is longer than the vertical plate, and the extended portion is connected to the fixing seat.
In other embodiments of the power battery, the pressure plate may also be a U-shaped plate with outward turned edges at both ends, where the outward turned edges form the pressing part and the U-shaped part forms the separating part.
In other embodiments of the power battery, there may be two, three, four or more rows of battery modules, and of course, there may be only one row of battery modules.
In other embodiments of the power battery, when there are multiple rows of battery modules, the pressing plate may not be fixed between two rows of battery modules, for example, one row of battery modules corresponds to one pressing plate, and the pressing plate is directly fixed on the top of each row of battery modules; of course, when there is only one row of battery modules, the pressing plate must be fixed on the top of the row of battery modules.
In other embodiments of the power battery, a stud may be welded and fixed on the fixing seat, and at this time, the two ends of the pressing plate penetrate through the stud on the fixing seat, and the detachable connection with the fixing seat is realized through a nut.
In other embodiments of the power battery, the fixing seats can be arranged on the left side plate and the right side plate of the box body according to the arrangement form of the battery modules.
The utility model discloses the embodiment of well power battery box is shown in FIG. 1 ~ FIG. 3, and the concrete structure of power battery box is the same with the box in the above-mentioned power battery embodiment, and the repetition is not repeated here and again repeated.
Claims (10)
1. The utility model provides a power battery box, includes bottom plate and four curb plates on every side, its characterized in that: the bottom plate is provided with a supporting plate for supporting the battery module, lightening holes are formed in the supporting plate, the power battery box body further comprises a pressing plate which is used for being placed on the supporting plate at the battery module and then fixedly connected with the side plates to compress the fixed battery module, fixing seats are arranged on the two opposite side plates, and the two ends of the pressing plate are connected with the fixing seats in a detachable mode through fasteners.
2. The power battery box of claim 1, wherein: the pressing plate includes a partition portion for being inserted between two adjacent rows of battery modules to partition the two rows of battery modules, and a pressing portion for pressing the two adjacent rows of battery modules, respectively.
3. The power battery box of claim 2, wherein: the pressing plate comprises two L-shaped bending plates, the vertical sections of the two bending plates are attached and fixed to form the separation part, and the horizontal sections of the two bending plates are arranged back to form the compression part respectively.
4. The power battery box of claim 3, wherein: the pressing plate further comprises Z-shaped connecting plates fixed at two ends of the bending plate respectively, and each Z-shaped connecting plate comprises a first fixed section fixedly connected with the top surface of the horizontal section, a second fixed section detachably connected with the fixing seat and a middle transition section connected with the first fixed section and the second fixed section.
5. The power battery box body according to any one of claims 1 ~ 4, wherein the power battery box body is further provided with two limiting plates which are respectively arranged at intervals with two adjacent side plates, a module placing space for placing a battery module is defined by the two limiting plates and the other two adjacent side plates, each limiting plate is provided with a lightening hole, the side plate opposite to one limiting plate is provided with a positive and negative plug, and the side plate opposite to the other limiting plate is provided with a battery management system.
6. The utility model provides a power battery, includes the box and sets up the battery module in the box, the box includes bottom plate and four curb plates on every side, its characterized in that: the bottom plate is provided with a supporting plate for supporting the battery module, lightening holes are formed in the supporting plate, the box body further comprises a pressing plate which is used for being placed on the supporting plate at the battery module and then fixedly connected with the side plates so as to compress the fixed battery module, fixing seats are arranged on the two opposite side plates, and the two ends of the pressing plate are connected with the fixing seats in a detachable mode through fastening pieces.
7. The power cell of claim 6, wherein: the battery module is provided with two at least, the clamp plate includes inserting the partition part between two adjacent battery modules in order to separate these two battery modules, and the clamp plate still includes the part that compresses tightly two adjacent battery modules respectively.
8. The power cell of claim 7, wherein: the pressing plate comprises two L-shaped bending plates, the vertical sections of the two bending plates are attached and fixed to form the separation part, and the horizontal sections of the two bending plates are arranged back to form the compression part respectively.
9. The power cell of claim 8, wherein: the pressing plate further comprises Z-shaped connecting plates fixed at two ends of the bending plate respectively, and each Z-shaped connecting plate comprises a first fixed section fixedly connected with the top surface of the horizontal section, a second fixed section detachably connected with the fixing seat and a middle transition section connected with the first fixed section and the second fixed section.
10. The power battery according to any one of claims 6 ~ 9, wherein the box body is further provided with two limiting plates which are respectively arranged at intervals with two adjacent side plates, a module placing space for placing the battery module is defined by the two limiting plates and the other two adjacent side plates, each limiting plate is provided with a lightening hole, the side plate opposite to one limiting plate is provided with a positive and negative electrode plug, and the side plate opposite to the other limiting plate is provided with a battery management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944103.1U CN209993643U (en) | 2019-06-21 | 2019-06-21 | Power battery box and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944103.1U CN209993643U (en) | 2019-06-21 | 2019-06-21 | Power battery box and power battery |
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| Publication Number | Publication Date |
|---|---|
| CN209993643U true CN209993643U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920944103.1U Expired - Fee Related CN209993643U (en) | 2019-06-21 | 2019-06-21 | Power battery box and power battery |
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| CN (1) | CN209993643U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416079A (en) * | 2020-03-15 | 2020-07-14 | 南京金龙客车制造有限公司 | New energy automobile battery integrated configuration |
| CN114552110A (en) * | 2020-11-26 | 2022-05-27 | 比亚迪股份有限公司 | Battery pack and vehicle |
| WO2023025205A1 (en) * | 2021-08-27 | 2023-03-02 | 北京车和家信息技术有限公司 | Battery pack and vehicle |
| CN117239322A (en) * | 2023-11-14 | 2023-12-15 | 深圳市赋勤创新科技有限公司 | Shell and active heat dissipation energy storage lithium battery |
| WO2024045692A1 (en) * | 2022-08-30 | 2024-03-07 | 江苏时代新能源科技有限公司 | Battery module, battery and electric device |
-
2019
- 2019-06-21 CN CN201920944103.1U patent/CN209993643U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416079A (en) * | 2020-03-15 | 2020-07-14 | 南京金龙客车制造有限公司 | New energy automobile battery integrated configuration |
| CN114552110A (en) * | 2020-11-26 | 2022-05-27 | 比亚迪股份有限公司 | Battery pack and vehicle |
| WO2022110768A1 (en) * | 2020-11-26 | 2022-06-02 | 比亚迪股份有限公司 | Battery pack and vehicle |
| WO2023025205A1 (en) * | 2021-08-27 | 2023-03-02 | 北京车和家信息技术有限公司 | Battery pack and vehicle |
| WO2024045692A1 (en) * | 2022-08-30 | 2024-03-07 | 江苏时代新能源科技有限公司 | Battery module, battery and electric device |
| CN117239322A (en) * | 2023-11-14 | 2023-12-15 | 深圳市赋勤创新科技有限公司 | Shell and active heat dissipation energy storage lithium battery |
| CN117239322B (en) * | 2023-11-14 | 2024-01-16 | 深圳市赋勤创新科技有限公司 | Shell and active heat dissipation energy storage lithium battery |
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Granted publication date: 20200124 |