CN213692186U - Transom battery modules, power batteries and vehicles - Google Patents
Transom battery modules, power batteries and vehicles Download PDFInfo
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- CN213692186U CN213692186U CN202023020137.3U CN202023020137U CN213692186U CN 213692186 U CN213692186 U CN 213692186U CN 202023020137 U CN202023020137 U CN 202023020137U CN 213692186 U CN213692186 U CN 213692186U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
本申请是关于一种横梁式电池模组、动力电池和车辆。其中，横梁式电池模组包括：横梁式液冷板，包括竖向设置的第一液冷板和横向设置于第一液冷板的厚度方向两侧的第二液冷板；复合汇流排，竖向设置于第二液冷板远离第一液冷板的一侧；多个电池电芯，设于第二液冷板上并沿第二液冷板的长度方向排布设置，且多个电池电芯的电极与复合汇流排电连接。本申请提供的方案，能够简化电池模组的结构，减轻电池的整体重量，且能够提高电池系统的集成度，提高电池系统的电池能量密度以及提高电池电芯的冷却效率。
The present application relates to a beam-type battery module, a power battery and a vehicle. The beam-type battery module includes: a beam-type liquid-cooling plate, including a first liquid-cooling plate arranged vertically and a second liquid-cooling plate laterally arranged on both sides of the first liquid-cooling plate in the thickness direction; a composite bus bar, Vertically arranged on the side of the second liquid-cooling plate away from the first liquid-cooling plate; a plurality of battery cells are arranged on the second liquid-cooling plate and arranged along the length direction of the second liquid-cooling plate, and a plurality of The electrodes of the battery cells are electrically connected to the composite busbars. The solution provided by the present application can simplify the structure of the battery module, reduce the overall weight of the battery, improve the integration degree of the battery system, improve the battery energy density of the battery system, and improve the cooling efficiency of the battery cells.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a beam type battery module, a power battery and a vehicle.
Background
The integration of the battery system of the electric automobile is very important to the development of the whole electric automobile, along with the continuous improvement of the requirement of the electric quantity of the battery, the volume of the battery box body is also larger and larger, and in the related technology, the battery system of the electric automobile is not only complicated in structure, but also low in integration level of the battery system, so that the energy density of the battery system is low, and the whole weight is larger.
SUMMERY OF THE UTILITY MODEL
In order to solve or partially solve the problems existing in the related art, the present application provides a beam type battery module, which simplifies the structure of a battery system, reduces the overall weight of a battery, and can improve the integration level of the battery system, the battery energy density of the battery system, and the cooling efficiency of a battery cell.
This application first aspect provides a crossbeam formula battery module, includes: the cross beam type liquid cooling plate comprises a first liquid cooling plate which is vertically arranged and second liquid cooling plates which are transversely arranged on two sides of the first liquid cooling plate in the thickness direction; the composite busbar is vertically arranged on one side, away from the first liquid cooling plate, of the second liquid cooling plate; and the plurality of battery cells are arranged on the second liquid cooling plate and arranged along the length direction of the second liquid cooling plate, and a plurality of electrodes of the battery cells are electrically connected with the composite busbar.
In some embodiments, a side of the composite busbar facing the first liquid-cooled plate is a metal surface, and a side facing away from the first liquid-cooled plate is an insulating surface.
In some embodiments, the first liquid cooling plate is provided with a first liquid cooling circulation chamber, the second liquid cooling plate is provided with a second liquid cooling circulation chamber communicated with the first liquid cooling circulation chamber, at least one end of the first liquid cooling plate in the length direction is provided with a liquid cooling communication pipe communicated with the first liquid cooling circulation chamber, and the liquid cooling communication pipe is used for connecting a cooling pipeline.
In some embodiments, a heat conduction connector is disposed on a top wall surface of the second liquid cooling plate, and the heat conduction connector is fixedly connected to the plurality of battery cells.
In some embodiments, an insulating layer is provided on an outer peripheral side of the beam type liquid cooling plate; and/or, the quantity of second liquid cooling board is a plurality of, and is a plurality of second liquid cooling board sets up along direction of height interval, and is a plurality of all be equipped with a plurality ofly on the second liquid cooling board battery electricity core.
In some embodiments, a pressure relief valve is disposed at the top of the battery cell, and a pressure relief port of the pressure relief valve faces the composite busbar.
In some embodiments, the battery cell is any one of a cylindrical battery, a prismatic battery, or a pouch battery.
The second aspect of the present application provides a power battery, including: the box body comprises an upper box body and a lower box body which is hermetically connected with the upper box body, and an accommodating cavity is defined between the upper box body and the lower box body; and the beam type battery module according to any one of the first to third embodiments, the beam type battery module being provided in the accommodation chamber.
The power battery provided in the embodiment of the second aspect of the present application includes the beam type battery module described in any one of the embodiments of the first aspect, so that the technical effects described in any one of the embodiments are achieved, and details are not repeated herein.
According to one embodiment of the application, the cross beam type liquid cooling plate is fixedly connected with the lower box body and is configured as a cross beam of the lower box body; and/or the number of the beam type battery modules is multiple.
A third aspect of the present application provides a vehicle comprising: a vehicle body; and the power battery according to any one of the embodiments of the second aspect, wherein the power battery is provided on the vehicle body.
The vehicle provided by the embodiment of the third aspect of the present application includes the power battery described in any one of the embodiments of the second aspect, so that the technical effects described in any one of the embodiments are achieved, and details are not repeated herein.
The technical scheme provided by the application can comprise the following beneficial effects:
the utility model provides a crossbeam formula battery module, including crossbeam formula liquid cooling board, compound busbar and a plurality of battery electricity core. Wherein, the crossbeam type liquid cooling plate comprises a first liquid cooling plate which is vertically arranged and a second liquid cooling plate which is horizontally arranged, the second liquid cooling plate is arranged at two sides of the thickness direction of the first liquid cooling plate, and the composite busbar is arranged at one side of the second liquid cooling plate far away from the first liquid cooling plate, so that a fixing frame structure for fixing battery cells can be defined between the second liquid cooling plate and the composite busbar as well as the first liquid cooling plate, a plurality of battery cells are arranged on the second liquid cooling plate and arranged along the length direction of the second liquid cooling plate, and the electrodes of the plurality of battery cells are electrically connected with the composite busbar, the structure not only can effectively improve the stability of the installation and fixation of the battery cells, and the heat exchange efficiency of the battery cells, and the product structure is simple, thereby being beneficial to reducing the weight of the battery system, and simultaneously being beneficial to improving the integration level of the battery system so as to improve, the heat exchange efficiency of the battery cell is guaranteed, and the use safety of the battery system is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
Fig. 1 is a schematic perspective view illustrating a cross-beam type battery module according to an embodiment of the present invention;
fig. 2 is a schematic view of a main view body structure of a beam type battery module according to an embodiment of the present disclosure;
fig. 3 is a schematic bottom view of a beam type battery module according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram illustrating a first liquid cold plate according to an embodiment of the present disclosure;
fig. 5 is an exploded schematic view of a power battery according to an embodiment of the present disclosure;
fig. 6 is a block diagram schematically illustrating the structure of a vehicle according to the embodiment of the present application.
Reference numerals:
1. a beam-type battery module; 10. a cross beam type liquid cooling plate; 101. a first liquid cold plate; 1011. a cold liquid communicating pipe; 102. a second liquid cooling plate; 20. a composite busbar; 30. a battery cell; 2. a power battery; 201. an upper box body; 202. a lower box body; 3. a vehicle; 301. a vehicle body.
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of a beam type battery module 1 according to an embodiment of the present invention.
Referring to fig. 1, a first aspect of the present application provides a beam type battery module 1 including: a beam type liquid cooling plate 10, a composite bus bar 20, and a plurality of battery cells 30. The crossbeam type liquid cooling plate 10 comprises a first liquid cooling plate 101 which is vertically arranged and second liquid cooling plates 102 which are transversely arranged at two sides of the first liquid cooling plate 101 in the thickness direction; the composite busbar 20 is vertically arranged on one side of the second liquid cooling plate 102 away from the first liquid cooling plate 101; the plurality of battery cells 30 are disposed on the second liquid cooling plate 102 and arranged along the length direction of the second liquid cooling plate 102, and the electrodes of the plurality of battery cells 30 are electrically connected to the composite bus bar 20.
In the beam-type battery module 1 provided by the first aspect of the present application, the beam-type liquid cooling plate 10 includes a first liquid cooling plate 101 disposed vertically and a second liquid cooling plate 102 disposed horizontally, and the second liquid cooling plate 102 is disposed at two sides of the first liquid cooling plate 101 in the thickness direction, and the composite bus bar 20 is disposed at one side of the second liquid cooling plate 102 away from the first liquid cooling plate 101, so that a fixing frame structure for fixing the battery electric cores 30 can be defined between the second liquid cooling plate 102 and the composite bus bar 20 and between the first liquid cooling plate 101 and the second liquid cooling plate 102, and by disposing the plurality of battery electric cores 30 on the second liquid cooling plate 102 and arranging the plurality of battery electric cores 30 along the length direction of the second liquid cooling plate 102, and electrically connecting the electrodes (positive and negative electrodes) of the plurality of battery electric cores 30 with the composite bus bar 20, not only the stability of mounting and fixing of the battery electric cores 30 can be effectively improved, but also the, meanwhile, the heat exchange efficiency of the battery core 30 is improved, the use safety of the battery system is guaranteed, the product structure is simple, and the weight of the battery system is favorably reduced.
According to an embodiment of the present application, a side of the composite busbar 20 facing the first liquid-cooled plate 101 is a metal surface, and a side facing away from the first liquid-cooled plate 101 is an insulating surface.
That is, one side of the composite busbar 20 facing the first liquid cooling plate 101 is electrically connected to the electrode of the battery cell 30, and the other side is an insulator or coated with an insulating paint, so as to prevent an electric leakage accident and ensure the safety of the product. The series connection and the parallel connection of the beam type battery modules 1 can be combined by the internal composite bus bar 20 to form various series-parallel connection modules.
As shown in fig. 1, fig. 2, and fig. 4, in some embodiments, the first liquid-cooling plate 101 is provided with a first cold liquid circulation chamber, the second liquid-cooling plate 102 is provided with a second cold liquid circulation chamber communicated with the first cold liquid circulation chamber, at least one end of the first liquid-cooling plate 101 in the length direction is provided with a cold liquid communication pipe 1011 communicated with the first cold liquid circulation chamber, and the cold liquid communication pipe 1011 is used for connecting a cooling pipeline.
First liquid cold drawing 101 and second liquid cold drawing 102 are equipped with first cold liquid circulation chamber and second cold liquid circulation chamber respectively, through being linked together first cold liquid circulation chamber and second cold liquid circulation chamber, make the coolant liquid in the cooling pipeline can get into the cold liquid circulation chamber of second through cold liquid communicating pipe 1011 and first cold liquid circulation chamber, make first liquid cold drawing 101 and second liquid cold drawing 102 homoenergetic carry out heat exchange treatment to battery electricity core 30, in order to realize the heat that reduces battery electricity core 30 production fast in the use, thereby further improved the security of product use.
In some embodiments, the top wall surface of the second liquid cooling plate 102 is provided with a heat conductive connector, and the heat conductive connector is fixedly connected with the plurality of battery cells 30.
Through set up heat conduction connecting piece (like nonmetal heat conduction connecting piece such as heat conduction structure glue) at the roof face of second liquid cooling board 102, heat conduction connecting piece and battery electricity core fixed connection for heat conduction connecting piece not only plays the effect of heat conduction, plays the effect of fixed battery electricity core 30 simultaneously, thereby can effectively improve the radiating efficiency and the fixed reliability of battery electricity core 30.
In some embodiments, the outer peripheral side of the beam type liquid cooling plate 10 is provided with an insulating layer. If the insulating paint is sprayed on the outer surface of the beam type liquid cooling plate 10, the beam type liquid cooling plate 10 can be prevented from being electrically connected with the battery electric core 30, and a high-low voltage insulating effect is achieved, so that the use safety of the product is further improved.
As shown in fig. 1 and fig. 3, in some embodiments, the number of the second liquid cooling plates 102 is multiple, the multiple second liquid cooling plates 102 are arranged at intervals along the height direction, and the multiple battery cells 30 are disposed on each of the multiple second liquid cooling plates 102. Through setting up a plurality of second liquid cooling boards 102 along direction of height interval, and be equipped with a plurality of battery electricity cores 30 on a plurality of second liquid cooling boards 102, further improved the loading quantity of battery electricity core 30 to further improve the energy density of product.
In some embodiments, a pressure relief valve (not shown) is disposed on the top of the battery cell 30, and a pressure relief opening of the pressure relief valve faces the composite busbar 20.
Arrangement of battery electricity core 30 belongs to transverse arrangement, box 201 and lower box 202 are equipped with in the outside of crossbeam formula battery module 1, through the relief valve with battery electricity core 30 towards compound busbar 20, thus, when battery electricity core 30 outside or inside breaks down, can produce when a large amount of gaseous relief valves of breaching battery electricity core 30 in the battery electricity core 30, guarantee that it can not be towards the automobile cockpit, when preventing battery electricity core 30 thermal runaway simultaneously, high-temperature gas and injection material can directly not go up box 201, consequently, the temperature resistance and the thickness of box 201 can further the lowering requirement on the battery, can reduce fireproof material's thickness or fireproof material even, can further improve battery system's integrated level.
In some embodiments, the battery cell 30 is any one of a cylindrical battery, a prismatic battery, or a pouch battery.
Fig. 5 is a schematic block diagram illustrating an exploded structure of the power battery 2 according to the embodiment of the present application.
Referring to fig. 5, a second aspect of the present application provides a power battery 2, which includes a case body including an upper case 201 and a lower case 202, wherein the upper case 201 is hermetically connected to the lower case 202, and a receiving cavity is defined between the upper case 201 and the lower case 202; the cross beam type battery module 1 as described in the first aspect embodiment is further included, and the cross beam type battery module 1 is provided in the housing chamber.
The power battery 2 provided in the second aspect of the present application includes the beam type battery module 1 in any one of the first aspect of the present application, so that the technical effects of any one of the above embodiments are achieved, and details are not repeated herein.
In some embodiments, the cross beam type liquid cooling plate 10 is fixedly connected with the lower case 202 and configured as a cross beam of the lower case 202.
In some embodiments, the number of the beam type battery modules 1 is plural.
The cross beam type liquid cooling plate and the lower box body can be connected in a welding, bonding or bolt connection mode, and the cross beam type liquid cooling plate is configured into a cross beam structure of the lower box body 202, so that the cross beam of the lower box body 202 is eliminated, and the weight of the battery system is further reduced. The number of the beam type battery modules 1 can be increased or reduced according to the energy requirement of the battery system, and the number of the arrangement layers of the battery electric cores 30 in the beam type battery modules 1 can also be increased or reduced according to the total height requirement of the battery system, so that the possibility is provided for developing the battery systems required by various platform vehicle types for the whole vehicle.
Fig. 6 is a block diagram schematically illustrating the structure of the vehicle 3 according to the embodiment of the present application.
Referring to fig. 6, a third aspect of the present application provides a vehicle 3 comprising: a vehicle body 301 and a power battery 2 as in the second aspect embodiment, the power battery 2 being provided on the vehicle body 301.
The vehicle 3 provided in the third aspect of the present application includes the power battery 2 in any one of the second aspect of the present application, so that the technical effects of any one of the above embodiments are achieved, and details are not repeated herein.
The specific structure of the power battery 2 provided in the present application is described in detail below with reference to a specific embodiment.
As shown in fig. 1 to 5, the present application provides a power battery 2, which includes a beam-type battery module 1 and a case, wherein the case includes an upper case 201 and a lower case 202, a containing cavity is defined between the upper case 201 and the lower case 202, and the beam-type battery module 1 is disposed in the containing cavity.
As shown in fig. 1, the beam type battery module 1 includes a beam type liquid cooling plate 10, a composite bus bar 20, and a plurality of battery cells 30. The crossbeam type liquid cooling plate 10 comprises a first liquid cooling plate 101 and second liquid cooling plates 102, wherein the first liquid cooling plate 101 is vertically arranged, the second liquid cooling plates 102 are transversely arranged on two sides of the thickness direction of the first liquid cooling plate 101, the composite busbar 20 is arranged on one side, far away from the first liquid cooling plate 101, of the second liquid cooling plates 102, and the plurality of battery electric cores 30 are transversely arranged along the length direction of the second liquid cooling plates 102.
Specifically, a cold liquid circulation cavity is arranged in the crossbeam type liquid cooling plate 10, the flow and the flow speed of the module can be optimized through the design of the cold liquid circulation cavity, and further the heat management performance of the crossbeam type battery module 1 is optimized.
Further, the crossbeam type liquid cooling plate 10 is fixedly connected with the lower box 202, such as welding, bonding or bolt connection, so that the structure of the crossbeam of the lower box 202 can be eliminated, the product integration level is higher, the space of the battery liquid cooling plate is saved, the energy density of the battery is further improved, the structural weight of the power battery 2 is reduced, the structural performance of the battery system is enhanced, and particularly the first-order mode of the battery system can be improved.
Insulating paint is sprayed on the outer surface of the cross beam type liquid cooling plate 10, and a shell of the battery cell 30 cannot be directly contacted with a base material of the cross beam type liquid cooling plate 10, so that the high-voltage and low-voltage insulation effect can be achieved.
Further, a heat conducting structure adhesive is arranged between the top of the second liquid cooling plate 102 and the bottom of the battery electric core 30, and the heat conducting structure adhesive has high heat conductivity and tensile strength, so that the heat conducting function can be achieved, and the battery electric core 30 can be fixed.
Further, the composite busbar 20 provides a carrier for the series-parallel connection of the modules, one surface of the composite busbar facing away from the battery electric core 30 is an insulator, one side of the composite busbar facing the battery electric core 30 is a metal, and the metal surface is used for being electrically connected with the battery electric core 30.
Further, the battery cell 30 is a cylindrical cell, the bottom of which can be used as a thermal management interface, and the top of which is provided with a positive electrode and a negative electrode electrically connected to the composite bus bar 20, as shown in fig. 1.
Further, the top of battery electricity core 30 is equipped with the relief valve, and the pressure release mouth of relief valve is towards compound busbar 20 for when battery electricity core 30 outside or inside break down, high-temperature gas can not directly spout box 201 with the injection material, consequently goes up the temperature resistance and the thickness of box 201 and can further reduce the requirement, can reduce fireproof material's thickness even, further improves the integrated level of product.
To sum up, the power battery that this application provided has improved the integrated level of battery system to improve battery system's energy density, ensured the heat exchange efficiency of battery electricity core, improved battery system's safety in utilization. And the cross beam type liquid cooling plate is fixedly connected with the lower box body to be configured into a cross beam structure of the lower box body, so that the cross beam of the lower box body is eliminated, and the weight of the battery system is further reduced.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023020137.3U CN213692186U (en) | 2020-12-15 | 2020-12-15 | Transom battery modules, power batteries and vehicles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023020137.3U CN213692186U (en) | 2020-12-15 | 2020-12-15 | Transom battery modules, power batteries and vehicles |
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| CN213692186U true CN213692186U (en) | 2021-07-13 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871753A (en) * | 2021-09-24 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Battery pack |
| CN114374021A (en) * | 2022-01-06 | 2022-04-19 | 广州小鹏汽车科技有限公司 | Power battery assembly |
| CN115621656A (en) * | 2022-09-21 | 2023-01-17 | 中国第一汽车股份有限公司 | Battery assembly and electric vehicle with same |
| CN115832515A (en) * | 2022-12-04 | 2023-03-21 | 安徽江淮汽车集团股份有限公司 | Battery module with liquid cooling I-beam and electric automobile |
| WO2023103880A1 (en) * | 2021-12-07 | 2023-06-15 | 北京车和家汽车科技有限公司 | Battery cooling system, battery pack, and vehicle |
| CN117438695A (en) * | 2023-10-18 | 2024-01-23 | 岚图汽车科技有限公司 | A battery module, battery pack and electric vehicle |
| CN118899592A (en) * | 2024-10-09 | 2024-11-05 | 中创新航科技集团股份有限公司 | Battery Pack |
| WO2024244111A1 (en) * | 2023-05-29 | 2024-12-05 | 惠州亿纬锂能股份有限公司 | Battery pack and electric device |
| CN119890591A (en) * | 2025-01-24 | 2025-04-25 | 合肥国轩高科动力能源有限公司 | Battery module and battery pack |
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2020
- 2020-12-15 CN CN202023020137.3U patent/CN213692186U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871753A (en) * | 2021-09-24 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Battery pack |
| WO2023103880A1 (en) * | 2021-12-07 | 2023-06-15 | 北京车和家汽车科技有限公司 | Battery cooling system, battery pack, and vehicle |
| CN114374021A (en) * | 2022-01-06 | 2022-04-19 | 广州小鹏汽车科技有限公司 | Power battery assembly |
| CN115621656A (en) * | 2022-09-21 | 2023-01-17 | 中国第一汽车股份有限公司 | Battery assembly and electric vehicle with same |
| CN115832515A (en) * | 2022-12-04 | 2023-03-21 | 安徽江淮汽车集团股份有限公司 | Battery module with liquid cooling I-beam and electric automobile |
| WO2024244111A1 (en) * | 2023-05-29 | 2024-12-05 | 惠州亿纬锂能股份有限公司 | Battery pack and electric device |
| CN117438695A (en) * | 2023-10-18 | 2024-01-23 | 岚图汽车科技有限公司 | A battery module, battery pack and electric vehicle |
| CN118899592A (en) * | 2024-10-09 | 2024-11-05 | 中创新航科技集团股份有限公司 | Battery Pack |
| CN119890591A (en) * | 2025-01-24 | 2025-04-25 | 合肥国轩高科动力能源有限公司 | Battery module and battery pack |
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| GR01 | Patent grant |