CN220021517U - Soft package battery module and power battery package - Google Patents
Soft package battery module and power battery package Download PDFInfo
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- CN220021517U CN220021517U CN202320262243.7U CN202320262243U CN220021517U CN 220021517 U CN220021517 U CN 220021517U CN 202320262243 U CN202320262243 U CN 202320262243U CN 220021517 U CN220021517 U CN 220021517U
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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
本申请提供一种软包电池模组及动力电池包。上述的软包电池模组包括软包电芯组、PCB转接板、BMS支架及BMS保护板，位于软包电芯组的两端的两个电芯分别设有端部正极耳及端部负极耳，BMS支架设有两个过流组件，每一过流组件包括过流排及过流片，两个过流排分别连接于BMS支架的两端，端部正极耳固定连接于一过流排及对应的过流片之间，端部负极耳固定连接于另一过流排及对应的过流片之间；BMS保护板连接于BMS支架，两个过流排均电连接于BMS保护板。本申请避免了将端部正极耳和端部负极耳焊接在PCB转接板上，从而缩短PCB转接板的长度，使得转接板的长度小于软包电芯组的厚度，提高了电池壳内部空间的利用率。
This application provides a soft pack battery module and a power battery pack. The above-mentioned soft-pack battery module includes a soft-pack battery pack, a PCB adapter board, a BMS bracket and a BMS protection plate. The two cells located at both ends of the soft-pack battery pack are respectively equipped with end positive electrodes and end negative electrodes. Ears, the BMS bracket is equipped with two over-current components. Each over-current component includes a flow row and a flow piece. The two flow rows are connected to both ends of the BMS bracket respectively. The positive ear at the end is fixedly connected to an over-current Between one overcurrent row and the corresponding overcurrent plate, the negative electrode ear at the end is fixedly connected between another overcurrent row and the corresponding overcurrent plate; the BMS protection plate is connected to the BMS bracket, and both overcurrent bars are electrically connected to the BMS protection plate. This application avoids welding the end positive electrode lug and the end negative electrode lug on the PCB adapter plate, thereby shortening the length of the PCB adapter plate, making the length of the adapter plate smaller than the thickness of the soft-packed battery pack, and improving the battery case Internal space utilization.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a soft package battery module and a power battery package.
Background
Nowadays, with the vigorous development of new energy technologies, lithium ion batteries are increasingly receiving attention from the market. Among lithium ion battery modules, the soft package battery module is more prominent due to the advantages of high safety, high energy density and long service life.
For the assembly of a soft-pack battery module, in the prior art, for example, chinese patent No. CN218414870U proposes a soft-pack battery module and a new energy automobile, a plurality of welding parts are formed by sequentially overlapping a plurality of battery cells, a plurality of bus bars are uniformly distributed on a PCB, and each welding part is correspondingly welded to a bus bar, so that a battery cell assembly is fixedly connected with an adapter plate, and then a fixing bracket and a protection plate are sequentially installed, thereby completing the assembly of the soft-pack battery module.
In the above-mentioned patent, although modularization of the assembly of the soft package battery module can be realized, in the scheme, because a plurality of battery core monomers are stacked in turn to form a battery core assembly, the positive electrode lug of each battery core monomer and the negative electrode lug of the adjacent battery core monomer are lapped to form welding parts, each welding part is correspondingly welded on each busbar of the adapter plate, and two battery cores positioned at two ends of the battery core assembly can leave a positive electrode lug and a negative electrode lug respectively, the positive electrode lug and the negative electrode lug cannot be used for forming welding parts, and only the positive electrode lug and the negative electrode lug can be welded on the PCB adapter plate independently; therefore, the length of the adapter plate is required to be slightly larger than the thickness of the battery cell assembly, so that when the battery shell is used for sleeving the soft-pack battery module to form a battery pack, the utilization rate of the soft-pack battery module to the internal space of the battery shell is lower.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a soft package battery module and a power battery pack, which can further improve the utilization rate of the internal space of a battery shell by shortening the length of a PCB adapter plate.
The aim of the utility model is realized by the following technical scheme:
the soft package battery module comprises a soft package battery cell group, a PCB adapter plate, a BMS support and a BMS protection plate, wherein a plurality of bus bars are uniformly arranged on the PCB adapter plate, the soft package battery cell group comprises a plurality of battery cells which are stacked in sequence, each battery cell is provided with a positive electrode lug and a negative electrode lug, the positive electrode lug of each battery cell and the negative electrode lug adjacent to the battery cell are mutually bent and abutted to form welding pieces, and each welding piece is welded on the corresponding bus bar; a plurality of locking nuts are arranged on one side, away from the soft package battery cell group, of the PCB adapter plate, a plurality of through holes are formed in the BMS bracket, the through holes correspond to the locking nuts one by one, and each through hole is adapted to the corresponding locking nut; the two battery cells positioned at the two ends of the soft package battery cell group are respectively provided with an end positive electrode lug and an end negative electrode lug, the BMS bracket is provided with two overcurrent components, each overcurrent component comprises an overcurrent row and an overcurrent sheet which are connected with each other, the two overcurrent rows are respectively connected to two ends of the BMS bracket, the positive lugs at the end parts are fixedly connected between one overcurrent row and the corresponding overcurrent piece, and the negative lugs at the end parts are fixedly connected between the other overcurrent row and the corresponding overcurrent piece; the BMS protection board connect in BMS support deviates from one side of PCB keysets, two the electric connection of overflow row in BMS protection board.
In one embodiment, each of the overcurrent rows is formed with a first through hole, the end negative electrode lug is formed with a second through hole, and each of the overcurrent sheets is formed with a third through hole, and the second through holes are respectively communicated with the corresponding first through hole and third through hole.
In one embodiment, the flexible battery module further comprises a signal wire, the PCB adapter plate is provided with a signal row seat, the BMS protection plate is provided with a signal socket, and two ends of the signal wire are respectively and electrically connected with the signal row seat and the signal socket.
In one embodiment, the soft package battery module further comprises a plurality of EVA foam, a buffer channel is formed between two adjacent cells, and each EVA foam is filled in the corresponding buffer channel.
In one embodiment, the soft package battery module further comprises two EVA cushions, and the two EVA cushions are respectively attached to two ends of the soft package battery cell group.
In one embodiment, the soft package battery module further comprises four insulating sheets, and the four insulating sheets are respectively attached to the periphery of the soft package battery cell group.
In one embodiment, the BMS support is formed with a plurality of fixing nuts, the BMS protection plate is formed with a plurality of through holes, the through holes are in one-to-one correspondence with the fixing nuts, and each through hole is adapted to the corresponding fixing nut.
In one embodiment, the BMS support is formed with a plurality of protection bosses, the protection bosses are in one-to-one correspondence with the plurality of through holes, and each protection boss is arranged around the corresponding through hole.
In one embodiment, the plurality of lock nuts are uniformly distributed on the PCB adapter plate.
A power battery pack comprises a battery shell and the soft pack battery module according to any of the above embodiments, wherein the battery shell is formed with a containing cavity for containing the soft pack battery module.
Compared with the prior art, the utility model has the following advantages:
1. through respectively connecting the end positive lug and the end negative lug with two overcurrent assemblies, and the two overcurrent assemblies are respectively arranged at two ends of the BMS bracket, and the BMS protection plate is connected to one side of the BMS bracket, which is away from the PCB adapter plate, and the two overcurrent rows are electrically connected to the BMS protection plate, so that the soft package battery cell group supplies power to the BMS protection plate through the two overcurrent assemblies;
2. the welding of the end positive lug and the end negative lug on the PCB adapter plate is avoided, so that the length of the PCB adapter plate is shortened, the length of the adapter plate is smaller than the thickness of the soft-package battery cell group, and the utilization rate of the soft-package battery module to the internal space of the battery shell is improved when the battery shell is sleeved with the soft-package battery module.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a soft pack battery module according to an embodiment;
fig. 2 is an exploded view of the pouch battery module shown in fig. 1;
fig. 3 is a schematic connection diagram among the soft pack battery cell group, the PCB adapter plate and the BMS bracket in the soft pack battery module shown in fig. 2;
fig. 4 is a schematic structural view of a PCB adapter plate in the soft pack battery module shown in fig. 2;
fig. 5 is a schematic structural view of a soft pack battery module according to another embodiment.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The utility model provides a soft package battery module, which comprises a soft package battery cell group, a PCB adapter plate, a BMS bracket and a BMS protection plate, wherein a plurality of bus bars are uniformly arranged on the PCB adapter plate; a plurality of locking nuts are arranged on one side, away from the soft package battery cell group, of the PCB adapter plate, a plurality of through holes are formed in the BMS bracket, the through holes correspond to the locking nuts one by one, and each through hole is adapted to the corresponding locking nut; the two battery cells positioned at the two ends of the soft package battery cell group are respectively provided with an end positive electrode lug and an end negative electrode lug, the BMS bracket is provided with two overcurrent components, each overcurrent component comprises an overcurrent row and an overcurrent sheet which are connected with each other, the two overcurrent rows are respectively connected to two ends of the BMS bracket, the positive lugs at the end parts are fixedly connected between one overcurrent row and the corresponding overcurrent piece, and the negative lugs at the end parts are fixedly connected between the other overcurrent row and the corresponding overcurrent piece; the BMS protection board connect in BMS support deviates from one side of PCB keysets, two the electric connection of overflow row in BMS protection board.
In order to better understand the technical scheme and beneficial effects of the present utility model, the following describes the present utility model in further detail with reference to specific embodiments:
referring to fig. 1 to 5, a flexible battery module 10 according to an embodiment of the utility model includes a flexible battery cell set 100, a PCB adapter board 200, a BMS support 300 and a BMS protection board 400, wherein a plurality of bus bars 210 are uniformly disposed on the PCB adapter board 200, the flexible battery cell set 100 includes a plurality of battery cells 110 stacked in sequence, each battery cell 110 is provided with a positive electrode tab 112 and a negative electrode tab 114, the positive electrode tab 112 of each battery cell 110 and the negative electrode tab 114 adjacent to the battery cell 110 are bent and abutted with each other to form a welding member 116, and each welding member 116 is welded to the corresponding bus bar 210; a plurality of locking nuts 201 are arranged on one side, facing away from the soft package battery core group 100, of the PCB adapter board 200, a plurality of through holes 301 are formed in the BMS bracket 300, the through holes 301 are in one-to-one correspondence with the locking nuts 201, and each through hole 301 is adapted to the corresponding locking nut 201; the two battery cells 110 at two ends of the soft package battery cell group 100 are respectively provided with an end positive electrode lug 112a and an end negative electrode lug 114a, the BMS bracket 300 is provided with two overcurrent assemblies 310, each overcurrent assembly 310 comprises an overcurrent row 312 and an overcurrent piece 314 which are connected with each other, the two overcurrent rows 312 are respectively connected with two ends of the BMS bracket 300, the end positive electrode lug 112a is fixedly connected between one overcurrent row 312 and the corresponding overcurrent piece 314, and the end negative electrode lug 114a is fixedly connected between the other overcurrent row 312 and the corresponding overcurrent piece 314; the BMS protection plate 400 is connected to a side of the BMS holder 300 facing away from the PCB adapter plate 200, and the two overcurrent rows 312 are electrically connected to the BMS protection plate 400.
In this embodiment, a plurality of battery cells 110 are stacked in sequence to form a soft package battery cell group 100, the positive electrode tab 112 of each battery cell 110 is bent and abutted with the negative electrode tab 114 of the adjacent battery cell 110 to form a welding piece 116, and similarly, the negative electrode tab 114 of each battery cell 110 is bent and abutted with the positive electrode tab 112 of the adjacent battery cell 110 to form a welding piece 116, and a plurality of bus bars 210 are uniformly arranged on the PCB adapter 200, and each welding piece 116 is welded to the corresponding bus bar 210, so that the soft package battery cell group 100 is welded and fixed on the PCB adapter 200; because the PCB adapter plate 200 is provided with the plurality of locking nuts 201, the BMS bracket 300 is provided with the plurality of through holes 301, the plurality of through holes 301 are in one-to-one correspondence with the plurality of locking nuts 201, and each screw sequentially penetrates through the corresponding through hole 301 and is connected with the inner wall of the corresponding locking nut 201 by using the plurality of screws, so that the BMS bracket 300 is fixedly arranged on the PCB adapter plate 200; while the two electric cores 110 at two ends of the soft package electric core group 100 are respectively provided with an end positive electrode tab 112a and an end negative electrode tab 114a, it can be understood that the two electric cores 110 at two ends of the soft package electric core group 100 are respectively provided with the positive electrode tab 112 and the negative electrode tab 114, which cannot be used for forming the welding piece 116, and the positive electrode tab 112 and the negative electrode tab 114 of the left part are respectively the end positive electrode tab 112a and the end negative electrode tab 114a; in addition, the BMS support 300 is provided with two overcurrent assemblies 310, each overcurrent assembly 310 comprises an overcurrent row 312 and an overcurrent piece 314, the two overcurrent rows 312 are respectively connected to two ends of the BMS support 300, wherein the end positive lug 112a is fixedly connected between one overcurrent row 312 and the corresponding overcurrent piece 314, the end negative lug 114a is fixedly connected between the other overcurrent row 312 and the corresponding overcurrent piece 314, the two overcurrent rows 312 are electrically connected to the BMS protection board 400, and the BMS protection board 400 is connected to the BMS support 300, so that the assembly of the soft package battery module 10 is completed.
In this embodiment, by connecting the end positive tab 112a and the end negative tab 114a with two overcurrent assemblies 310 respectively, and the two overcurrent assemblies 310 are respectively disposed at two ends of the BMS support 300, and the BMS protection board 400 is connected to one side of the BMS support 300 facing away from the PCB adapter board 200, the two overcurrent rows 312 are both electrically connected to the BMS protection board 400, so that the soft package battery pack 100 supplies power to the BMS protection board 400 through the two overcurrent assemblies 310; the welding of the end positive electrode lug 112a and the end negative electrode lug 114a on the PCB adapter plate 200 is avoided, so that the length of the PCB adapter plate 200 is shortened, the length of the adapter plate is smaller than the thickness of the soft-package battery core group 100, and the utilization rate of the soft-package battery module 10 to the internal space of the battery shell is improved when the battery shell is used for sleeving the soft-package battery module 10.
In one embodiment, referring to fig. 2, each of the through-flow rows 312 is formed with a first through hole 3141, the end negative electrode tab 114a is formed with a second through hole 1121, each of the through-flow sheets 314 is formed with a third through hole 3121, and the second through holes 1121 are respectively communicated with the first through hole 3141 and the third through hole 3121. In the present embodiment, since the through-flow sheet 314 is formed with the first through-hole 3141, the end positive tab 112a is formed with the second through-hole 1121, and the through-flow row 312 is formed with the third through-hole 3121, the first through-hole 3141, the second through-hole 1121, and the third through-hole 3121 may be sequentially penetrated by screws, thereby locking and fastening the end negative tab 114a between one through-flow row 312 and the corresponding through-flow sheet 314.
In one embodiment, referring to fig. 2, the soft pack battery module 10 further includes a signal line 500, the PCB adapter board 200 is provided with a signal socket 220, the BMS protection board 400 is provided with a signal socket 410, and two ends of the signal line 500 are respectively electrically connected to the signal socket 220 and the signal socket 410. In this embodiment, the signal line 500 is provided, and both ends of the signal line 500 are electrically connected to the signal socket 220 and the signal socket 410, respectively, so that the signal collection is performed to the BMS protection plate 400.
In one embodiment, referring to fig. 5, the soft pack battery module 10 further includes a plurality of EVA foam 600, a buffer channel 1101 is formed between two adjacent cells 110, and each EVA foam 600 is filled in the corresponding buffer channel 1101. In this embodiment, by providing a plurality of EVA foam 600, a plurality of buffer channels 1101 are respectively filled, so that an expansion buffer effect is achieved between two adjacent cells 110.
In one embodiment, referring to fig. 2 and 5, the soft-pack battery module 10 further includes two EVA cushions 700, and the two EVA cushions 700 are respectively attached to two ends of the soft-pack battery cell set 100. Thus, by providing two EVA cushions 700, the two ends of the soft-pack battery cell group 100 are respectively inflated and buffered.
In one embodiment, referring to fig. 1, the soft-pack battery module 10 further includes four insulating sheets 800, and the four insulating sheets 800 are respectively attached to the periphery of the soft-pack battery cell group 100. In this embodiment, four insulating sheets 800 are provided to insulate and protect the soft package battery cell group 100.
In one embodiment, referring to fig. 2, the BMS support 300 is formed with a plurality of fixing nuts 302, the BMS protection plate 400 is formed with a plurality of through holes 401, the plurality of through holes 401 are in one-to-one correspondence with the plurality of fixing nuts 302, and each through hole 401 is adapted to the corresponding fixing nut 302. In this embodiment, a plurality of screws are used, each of which is inserted through a through hole 401 and connected to the inner wall of the corresponding fixing nut 302, so that the BMS plate guard is fixed on the BMS bracket 300.
In one embodiment, referring to fig. 3, a plurality of protection bosses 303 are formed on the BMS support 300, the plurality of protection bosses 303 are in one-to-one correspondence with the plurality of through holes 301, and each protection boss 303 is disposed around the corresponding through hole 301. In this embodiment, the plurality of protection bosses 303 are provided to limit and protect the plurality of vias 301, respectively, so as to prevent the vias 301 from being damaged due to external impact.
In one embodiment, referring to fig. 4, a plurality of lock nuts 201 are uniformly distributed on the PCB adapter 200.
The utility model also provides a power battery pack, which comprises a battery shell and the soft pack battery module according to any one of the embodiments, wherein the battery shell is provided with an accommodating cavity for accommodating the soft pack battery module.
Compared with the prior art, the utility model has the following advantages:
1. through respectively connecting the end positive lug and the end negative lug with two overcurrent assemblies, and the two overcurrent assemblies are respectively arranged at two ends of the BMS bracket, and the BMS protection plate is connected to one side of the BMS bracket, which is away from the PCB adapter plate, and the two overcurrent rows are electrically connected to the BMS protection plate, so that the soft package battery cell group supplies power to the BMS protection plate through the two overcurrent assemblies;
2. the welding of the end positive lug and the end negative lug on the PCB adapter plate is avoided, so that the length of the PCB adapter plate is shortened, the length of the adapter plate is smaller than the thickness of the soft-package battery cell group, and the utilization rate of the soft-package battery module to the internal space of the battery shell is improved when the battery shell is sleeved with the soft-package battery module.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The soft package battery module comprises a soft package battery cell group, a PCB adapter plate, a BMS support and a BMS protection plate, wherein a plurality of bus bars are uniformly arranged on the PCB adapter plate, the soft package battery cell group comprises a plurality of battery cells which are stacked in sequence, each battery cell is provided with a positive electrode lug and a negative electrode lug, the positive electrode lug of each battery cell and the negative electrode lug adjacent to the battery cell are mutually bent and abutted to form welding pieces, and each welding piece is welded on the corresponding bus bar;
the PCB adapter plate is characterized in that a plurality of locking nuts are arranged on one side, away from the soft package battery cell group, of the PCB adapter plate, a plurality of through holes are formed in the BMS bracket, the through holes correspond to the locking nuts one by one, and each through hole is adapted to the corresponding locking nut; the two battery cells positioned at the two ends of the soft package battery cell group are respectively provided with an end positive electrode lug and an end negative electrode lug, the BMS bracket is provided with two overcurrent components, each overcurrent component comprises an overcurrent row and an overcurrent sheet which are connected with each other, the two overcurrent rows are respectively connected to two ends of the BMS bracket, the positive lugs at the end parts are fixedly connected between one overcurrent row and the corresponding overcurrent piece, and the negative lugs at the end parts are fixedly connected between the other overcurrent row and the corresponding overcurrent piece; the BMS protection board connect in BMS support deviates from one side of PCB keysets, two the electric connection of overflow row in BMS protection board.
2. The flexible battery module according to claim 1, wherein each of the overcurrent rows is formed with a first through hole, the end negative electrode tab is formed with a second through hole, and each of the overcurrent sheets is formed with a third through hole, and the second through holes are respectively communicated with the first through hole and the third through hole.
3. The flexible battery module according to claim 1, further comprising a signal line, wherein the PCB adapter plate is provided with a signal socket, the BMS protection plate is provided with a signal socket, and two ends of the signal line are respectively and electrically connected to the signal socket and the signal socket.
4. The flexible battery module according to claim 1, further comprising a plurality of EVA foam, wherein a buffer channel is formed between two adjacent cells, and each EVA foam is filled in the corresponding buffer channel.
5. The soft pack battery module according to claim 1, further comprising two EVA cushion pads respectively attached to two ends of the soft pack battery cell group.
6. The soft pack battery module according to claim 1, further comprising four insulating sheets, wherein the four insulating sheets are respectively attached to the periphery of the soft pack battery cell group.
7. The pouch battery module according to claim 1, wherein the BMS support is formed with a plurality of fixing nuts, the BMS protection plate is formed with a plurality of through holes, the plurality of through holes are in one-to-one correspondence with the plurality of fixing nuts, and each through hole is adapted to the corresponding fixing nut.
8. The flexible battery module according to claim 1, wherein a plurality of protection bosses are formed on the BMS support, the protection bosses are in one-to-one correspondence with the through holes, and each protection boss is arranged around the corresponding through hole.
9. The pouch battery module of claim 1, wherein the plurality of locking nuts are uniformly distributed on the PCB adapter plate.
10. A power battery pack, characterized by comprising a battery case and the soft pack battery module according to any one of claims 1 to 9, wherein the battery case is formed with a receiving chamber for receiving the soft pack battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320262243.7U CN220021517U (en) | 2023-02-17 | 2023-02-17 | Soft package battery module and power battery package |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320262243.7U CN220021517U (en) | 2023-02-17 | 2023-02-17 | Soft package battery module and power battery package |
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| CN220021517U true CN220021517U (en) | 2023-11-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119495889A (en) * | 2025-01-17 | 2025-02-21 | 深圳市德兰明海新能源股份有限公司 | A battery pack |
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- 2023-02-17 CN CN202320262243.7U patent/CN220021517U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119495889A (en) * | 2025-01-17 | 2025-02-21 | 深圳市德兰明海新能源股份有限公司 | A battery pack |
| CN119495889B (en) * | 2025-01-17 | 2025-06-24 | 深圳市德兰明海新能源股份有限公司 | A battery pack |
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