CN215644895U - Battery and battery pack - Google Patents
Battery and battery pack Download PDFInfo
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- CN215644895U CN215644895U CN202122331615.0U CN202122331615U CN215644895U CN 215644895 U CN215644895 U CN 215644895U CN 202122331615 U CN202122331615 U CN 202122331615U CN 215644895 U CN215644895 U CN 215644895U
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- plate body
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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 relates to the technical field of batteries and provides a battery and a battery pack. The battery includes: the battery cell comprises a battery cell main body, a first lug and a second lug; a first housing member; the first shell piece is connected with the second shell piece in an insulating mode so as to accommodate the battery core; the first electrode lug is electrically connected with the first shell part, and the second electrode lug is electrically connected with the second shell part. The first lug on the battery cell main body is electrically connected with the first shell piece, and the second lug is electrically connected with the second shell piece, so that the first shell piece and the second shell piece can be used as electrode leading-out ends of the batteries, the batteries can be conveniently electrically connected, and the service performance of the batteries is improved.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery and a battery pack.
Background
In the related art, the batteries need to be connected with the battery pole assembly through the bus bar in series-parallel connection, and a plurality of batteries are connected in groups. The post component protrudes out of the battery shell and is connected with the busbar, and the busbar is arranged to occupy a larger space inside the battery pack, so that the utilization rate of the space inside the battery pack is lower, and the overall energy density of the battery pack is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery and a battery pack, which are used for improving the service performance of the battery.
According to a first aspect of the present invention, there is provided a battery comprising:
the battery cell comprises a battery cell main body, a first lug and a second lug;
a first housing member;
the first shell piece is connected with the second shell piece in an insulating mode so as to accommodate the battery core;
the first electrode lug is electrically connected with the first shell part, and the second electrode lug is electrically connected with the second shell part.
The battery comprises a battery core, a first shell piece and a second shell piece, wherein the battery core is positioned in the first shell piece and the second shell piece, the first shell piece is in insulated connection with the second shell piece, a first tab on a battery core main body is electrically connected with the first shell piece, and a second tab is electrically connected with the second shell piece, so that the first shell piece and the second shell piece can be used as electrode leading-out ends of the battery, and the electric connection among a plurality of batteries is facilitated, and the use performance of the battery is improved.
According to a second aspect of the present invention, there is provided a battery pack comprising the above battery.
The battery pack comprises a battery, wherein the battery comprises a battery cell, a first shell piece and a second shell piece, the battery cell is positioned in the first shell piece and the second shell piece, the first shell piece is in insulated connection with the second shell piece, a first tab on a battery cell main body is electrically connected with the first shell piece, and a second tab is electrically connected with the second shell piece, so that the first shell piece and the second shell piece can be used as electrode leading-out ends of the battery, the electric connection among a plurality of batteries is convenient to directly form, the space utilization rate of the whole battery is improved, and the service performance of the battery is improved.
Drawings
For a better understanding of the present disclosure, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may be arranged differently as is known in the art. Further, in the drawings, like reference characters designate the same or similar parts throughout the several views. Wherein:
fig. 1 is a schematic view illustrating a structure of a battery pack according to an exemplary embodiment;
fig. 2 is an exploded schematic view of a battery pack according to an exemplary embodiment;
FIG. 3 is an exploded schematic view of housing components of a battery pack according to an exemplary embodiment;
FIG. 4 is an exploded schematic view of a plurality of housing components of a battery pack according to another exemplary embodiment;
fig. 5 is a schematic structural diagram of a housing member of a battery pack according to an exemplary embodiment.
The reference numerals are explained below:
10. an electric core; 11. a cell main body; 12. a first tab; 13. a second tab; 20. a first housing member; 21. a first plate body; 22. a second plate body; 23. a third plate body; 24. a fourth plate body; 30. a second housing member; 40. an insulating seal; 50. a third housing piece.
Detailed Description
The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.
In the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, reference to "the" object or "an" object is also intended to mean one of many such objects possible.
The terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, an electrical connection, or a signal connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood by those skilled in the art as the case may be.
Further, in the description of the present disclosure, it is to be understood that the directional words "upper", "lower", "inner", "outer", etc., which are described in the exemplary embodiments of the present disclosure, are described at the angles shown in the drawings, and should not be construed as limiting the exemplary embodiments of the present disclosure. It will also be understood that, in this context, when an element or feature is referred to as being "on", "under", or "inner", "outer" with respect to another element(s), it can be directly on "," under ", or" inner "," outer "with respect to the other element(s), or indirectly on", "under", or "inner", "outer" with respect to the other element(s) via intervening elements.
An embodiment of the present invention provides a battery, please refer to fig. 1 to 5, the battery includes: the battery cell 10 includes a battery cell main body 11, a first tab 12, and a second tab 13; a first housing piece 20; the second housing piece 30, the first housing piece 20 and the second housing piece 30 are connected in an insulating manner to accommodate the battery cell 10; the first tab 12 is electrically connected to the first housing part 20, and the second tab 13 is electrically connected to the second housing part 30.
The battery of one embodiment of the utility model comprises a battery core 10, a first shell member 20 and a second shell member 30, wherein the battery core 10 is positioned in the first shell member 20 and the second shell member 30, the first shell member 20 is in insulated connection with the second shell member 30, the first tab 12 on the battery core body 11 is electrically connected with the first shell member 20, and the second tab 13 on the battery core body 11 is electrically connected with the second shell member 30, so that the first shell member 20 and the second shell member 30 can be used as electrode leading-out terminals of the battery, thereby facilitating the direct formation of electrical connection among a plurality of batteries, improving the space utilization rate of the whole battery, and improving the service performance of the battery.
It should be noted that the first tab 12 of the battery cell 10 and the first case member 20 may be directly electrically connected, and the second tab 13 and the second case member 30 may be directly electrically connected, so that the pole assembly adopted in the related art may be eliminated. When a plurality of batteries are connected in series or in parallel, the housing members can be connected with each other, so that the bus bars used in the related art can be eliminated, and of course, in some embodiments, the electrical connection between the housing members by the conductive portions similar to the bus bars is not excluded. One of the first tab 12 and the second tab 13 is a positive tab, and the other tab is a negative tab, which is not limited herein and can be adjusted according to the series connection and the parallel connection of the batteries. As shown in fig. 2, the negative electrode tab "-" of one cell 10 is electrically connected to the first casing member 20, the positive electrode tab "+" of the other cell 10 is electrically connected to the second casing member 30, the negative electrode tab "-" of the other cell 10 is electrically connected to the second casing member 30, and the positive electrode tab "+" of the other cell 10 is electrically connected to the third casing member 50, where the batteries are connected in series, but the present application is not limited to series connection between batteries, and the series connection and parallel connection between batteries are achieved by adjusting the positions of the positive electrode tab and the negative electrode tab.
The first housing part 20 and the second housing part 30 are connected in an insulating manner, i.e., the first housing part 20 and the second housing part 30 cannot be directly electrically connected, but are electrically connected through the internal electric core 10, i.e., the first housing part 20 and the second housing part 30 serve as electrode terminals of the electric core 10.
The battery includes a cell 10 and an electrolyte, and a minimum unit capable of performing an electrochemical reaction such as charge/discharge. The battery cell 10 refers to a unit formed by winding or laminating a stack including a first electrode, a separator, and a second electrode. When the first electrode is a positive electrode, the second electrode is a negative electrode. Wherein the polarities of the first electrode and the second electrode can be interchanged.
In one embodiment, the first housing part 20 and the second housing part 30 may form a sealed space after being connected in an insulating manner, so as to seal the battery cell 10. In some embodiments, the first housing member 20 and the second housing member 30 may be insulated to form an open space, and the opening may be subsequently sealed by a cover structure. When the metal cover plate structure is used to seal the opening, if the metal cover plate is directly connected to the first and second housing members 20 and 30, it is necessary to ensure that the first and second housing members 20 and 30 are respectively provided with the corresponding cover plate structures, so as to avoid direct electrical connection between the first and second housing members 20 and 30, and if the insulating cover plate structure is used, it is not excluded that the first and second housing members 20 and 30 adopt the same cover plate structure.
In one embodiment, as shown in fig. 1, the battery further includes: and the first shell piece 20 and the second shell piece 30 are connected through the insulating sealing member 40, so that the indirect connection between the first shell piece 20 and the second shell piece 30 is ensured on the basis of ensuring the insulation between the first shell piece 20 and the second shell piece 30.
In one embodiment, the first housing member 20 and the insulating sealing member 40 are bonded, injection-molded, or heat-fused to ensure the stability of the connection between the first housing member 20 and the insulating sealing member 40.
The adhesion between the first housing member 20 and the insulating seal member 40 may be an adhesive or a joint strip.
In one embodiment, the second housing member 30 is bonded, injection-molded, or heat-fused to the insulating sealing member 40, thereby securing the stability of the connection between the second housing member 30 and the insulating sealing member 40.
The adhesion between the second housing member 30 and the insulating seal member 40 may be an adhesive or a joint strip.
In one embodiment, the first tab 12 and the second tab 13 extend from opposite ends of the cell body 11, which not only facilitates connection, but also ensures that the first tab 12 and the second tab 13 are connected to the first casing member 20 and the second casing member 30, respectively.
The first tab 12 and the second tab 13 may extend from the cell body 11 in the longitudinal direction (the longitudinal direction is two directions). The first tab 12 and the second tab 13 may extend in the width direction (the width direction is two directions) or the height direction (the height direction is two directions) of the cell body 11.
In one embodiment, the first tab 12 is ultrasonically welded to the first shell member 20, so that the connection stability of the first tab 12 to the first shell member 20 is ensured without causing structural damage to the first shell member 20.
In one embodiment, the second tab 13 is ultrasonically welded to the second housing member 30, thereby ensuring the stability of the connection between the second tab 13 and the second housing member 30 without causing structural damage to the second housing member 30.
In one embodiment, as shown in fig. 3-5, the first or second shell member 20, 30 includes: a first plate body 21; the first plate 21 is connected to the second plate 22, and an included angle between the first plate 21 and the second plate 22 is greater than 0 degree and smaller than 180 degrees, so that a space (cavity) for accommodating the battery cell 10 can be formed between the first housing member 20 and the second housing member 30.
The first plate 21 and the second plate 22 connected to each other surround the first housing piece 20 or the second housing piece 30 to form a cavity for accommodating the electrical core 10, that is, when the first housing piece 20 includes the first plate 21 and the second plate 22, the first plate 21 and the second plate 22 surround the second housing piece 30 to form the cavity. When the second housing member 30 includes the first plate 21 and the second plate 22, the first plate 21 and the second plate 22 surround the first housing member 20 to form a cavity.
In one embodiment, the first housing member 20 and the second housing member 30 may be composed of a first plate 21 and a second plate 22, and the first plate 21 and the second plate 22 may form an L-shaped structure or a T-shaped structure, so that two L-shaped structures or two T-shaped structures form a space for accommodating the battery cell 10. Alternatively, an L-shaped structure and a T-shaped structure form a space for accommodating the battery cell 10. And the battery may further include a cover structure for closing the openings formed by the first and second casing members 20 and 30, thereby achieving sealing of the battery cell 10. It should be noted that, regardless of the change in the structure of the first and second housing pieces 20 and 30, it is necessary to ensure that the first and second tabs 12 and 13 are connected to the first and second housing pieces 20 and 30, respectively.
In one embodiment, the first plate 21 and the second plate 22 are substantially perpendicular to each other, and an included angle between the first plate 21 and the second plate 22 is 90 °, so as to adapt to the shape of the battery cell 10.
In one embodiment, as shown in fig. 3-5, the first or second shell member 20, 30 further comprises: the third plate 23 and the second plate 22 are connected to the third plate 23, so that the first plate 21 and the third plate 23 are respectively located at two opposite ends of the second plate 22, thereby facilitating accommodation of the battery cell 10, and facilitating connection of the first tab 12 and the second tab 13 to the first casing member 20 and the second casing member 30, respectively.
In one embodiment, the first and second housing pieces 20 and 30 may each be composed of a first plate 21, a second plate 22, and a third plate 23. The battery may further include a cover structure for closing the opening formed by the first and second casing members 20 and 30, thereby sealing the battery cell 10.
In some embodiments, one end of the second plate 22 is connected to the end of the first plate 21, and the other end of the second plate 22 is connected to the end of the third plate 23, so that the first plate 21, the second plate 22 and the third plate 23 may form a C-shaped structure, or the first plate 21 and the third plate 23 may extend in two opposite directions, respectively, but it still can be ensured that the first housing member 20 and the second housing member 30 form a space for accommodating the battery cell 10.
In some embodiments, one end of the second plate 22 is connected to the middle of the first plate 21, and the other end of the second plate 22 is connected to the middle of the third plate 23, so as to form the structure shown in fig. 3, that is, the left and right sides of the second plate 22 are provided with the accommodating cavities, so that the first housing member 20 and the second housing member 30 form the space for accommodating the battery cell 10.
In some embodiments, one end of the second plate 22 is connected to the end of the first plate 21, and the other end of the second plate 22 is connected to the middle of the third plate 23, so as to form a structure as shown in fig. 4, such that the first and second casing members 20 and 30 form a space for accommodating the battery cell 10.
It should be noted that, when the first plate 21, the second plate 22 and the third plate 23 of the first housing member 20 form a C-shaped structure, the second housing member 30 may only include a flat plate, so as to close one opening of the C-shaped structure. The specific combination of the first and second housing parts 20, 30 is not limited here, and can be adjusted appropriately to ensure that the first and second tabs 12, 13 are connected to the first and second housing parts 20, 30, respectively.
In one embodiment, as shown in FIG. 5, the first or second shell member 20, 30 further comprises: the number of the fourth plate bodies 24 is two, the two fourth plate bodies 24 are arranged oppositely, and the fourth plate bodies 24 are connected with the first plate body 21, the second plate body 22 and the third plate body 23, so that after the first housing piece 20 and the second housing piece 30 are connected in an insulating manner, a sealed space can be formed between the first housing piece 20 and the second housing piece 30, and the battery cell 10 is sealed.
The first plate 21, the third plate 23 and the two fourth plates 24 are arranged around the circumferential direction of the second plate 22, so that a receiving groove for receiving the battery cell 10 is formed, and after the first housing piece 20 and the second housing piece 30 are connected in an insulated manner, an opening of the receiving groove is closed, so that the battery cell 10 is reliably sealed between the first housing piece 20 and the second housing piece 30. The first plate body 21, the third plate body 23 and the two fourth plate bodies 24 are arranged around the second plate body 22 in the circumferential direction to form a holding groove, or two holding grooves may be formed, that is, the two holding grooves are respectively located at the left and right sides of the second plate body 22.
In some embodiments, the first housing part 20 may be composed of a first plate 21, a second plate 22, a third plate 23, and two fourth plates 24, and the second housing part 30 may include only one plate, so that a closed space is formed between the first housing part 20 and the second housing part 30 to seal the battery cell 10 after the first housing part 20 and the second housing part 30 are connected in an insulating manner.
In one embodiment, the first housing member 20 and the second housing member 30 are of the same structure, which not only improves the versatility of the structure, but also simplifies the manufacturing process of the structure.
In one embodiment, the first and second housing members 20, 30 are of different configurations to accommodate different battery requirements.
An embodiment of the present invention also provides a battery pack, as shown in fig. 1 to 5, including the above-described battery.
The battery pack according to one embodiment of the present invention includes a battery, the battery includes a battery cell 10, a first casing member 20 and a second casing member 30, the battery cell 10 is located in the first casing member 20 and the second casing member 30, and the first casing member 20 and the second casing member 30 are connected in an insulated manner, and the first tab 12 on the cell body 11 is electrically connected to the first casing member 20, and the second tab 13 is electrically connected to the second casing member 30, so that the first casing member 20 and the second casing member 30 can be used as electrode leading-out terminals of the battery, thereby facilitating the electrical connection among a plurality of batteries and improving the usability of the battery.
In one embodiment, the battery pack may include a plurality of battery cells 10, and at least one of the first and second casing members 20 and 30 in the battery pack may be a plurality of battery cells 10, so that the plurality of battery cells 10 are accommodated, and series or parallel connection between the plurality of battery cells 10 may be performed by the casing members.
In one embodiment, the battery pack may include a plurality of the above-mentioned batteries, and the plurality of the above-mentioned batteries may also be connected in series or in parallel through the external conductive part.
In one embodiment, as shown in fig. 1 to 4, the battery pack further includes: a third housing part 50, the third housing part 50 being connected to the second housing part 30 on the side remote from the first housing part 20 in an insulating manner, the other electrical core 10 being located inside the third housing part 50 and the second housing part 30; the first tab 12 of the other cell 10 is electrically connected to the second housing piece 30, and the second tab 13 of the other cell 10 is electrically connected to the third housing piece 50. The first housing part 20, the second housing part 30 and the third housing part 50 accommodate the two battery cells 10, and the two battery cells 10 can be connected in series or in parallel, so that the structure of the battery pack is simplified, the utilization rate of the internal space of the battery pack is improved, and the overall energy density of the battery pack is improved.
It should be noted that the structural form of the third shell element 50 may refer to the structural forms of the first shell element 20 and the second shell element 30, which are not described herein again.
The battery pack may further include a fourth casing part, which may be connected to the first casing part 20 or the third casing part 50, so as to accommodate a third battery cell 10, and may realize series connection and parallel connection among the three battery cells 10. In some embodiments, the battery pack may further include a fifth housing element, which may be multiple, and the structural forms of the fourth and fifth housing elements may refer to the structural forms of the first and second housing elements 20 and 30 described above. The specific number of the housing members is not limited herein, and can be selected according to the requirement, so as to meet the use requirement of the battery pack.
In one embodiment, the battery pack may be a battery module or a battery pack.
According to the battery pack, the plurality of split shell pieces are connected through the insulating sealing pieces, the split shell pieces enclose the cavity, the electric core is arranged in the internal cavity, the split shell pieces are connected through the insulating sealing pieces, the positive lugs and the negative lugs are respectively connected to the shell pieces connected to the two sides of the insulating sealing pieces, series-parallel connection in the battery pack is achieved through electric connection of the electric core and the shell pieces, the phenomenon that a bus bar assembly is increased to occupy a large space in the battery pack is avoided, and meanwhile, integrated assembly is achieved. The tab is directly welded with the shell piece, so that the introduction of a pole component is avoided, the electric core is electrically connected with the shell piece, and the series-parallel connection between batteries in the battery pack is directly realized.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and example embodiments be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (12)
1. A battery, comprising:
the battery cell (10), wherein the battery cell (10) comprises a cell main body (11), a first tab (12) and a second tab (13);
a first housing piece (20);
a second housing part (30), wherein the first housing part (20) is connected in an insulating manner to the second housing part (30) in order to accommodate the battery core (10);
the first tab (12) is electrically connected with the first housing part (20), and the second tab (13) is electrically connected with the second housing part (30).
2. The battery of claim 1, further comprising:
an insulating seal (40), the first housing part (20) and the second housing part (30) being connected by the insulating seal (40).
3. The battery according to claim 2, wherein the first housing member (20) is bonded, injection molded or heat fused to the insulating seal member (40); and/or the presence of a gas in the gas,
the second housing part (30) is bonded, injection-molded or thermally fused to the insulating seal (40).
4. The battery according to claim 1, wherein the first tab (12) and the second tab (13) extend from opposite ends of the cell body (11).
5. The battery according to claim 1, wherein the first case member (20) or the second case member (30) comprises:
a first plate body (21);
the first plate body (21) is connected with the second plate body (22), and an included angle larger than 0 degree is formed between the first plate body (21) and the second plate body (22);
the first plate body (21) and the second plate body (22) which are connected form a cavity for accommodating the battery cell (10) in a surrounding manner with the first housing piece (20) or the second housing piece (30).
6. The battery according to claim 5, characterized in that the angle between the first plate body (21) and the second plate body (22) is 90 °.
7. The battery according to claim 5, wherein the first case member (20) or the second case member (30) further comprises:
a third plate body (23), the second plate body (22) being connected to the third plate body (23) such that the first plate body (21) and the third plate body (23) are located at opposite ends of the second plate body (22), respectively.
8. The battery according to claim 7, wherein one end of the second plate body (22) is connected to an end of the first plate body (21), and the other end of the second plate body (22) is connected to an end of the third plate body (23);
or one end of the second plate body (22) is connected with the end part of the first plate body (21), and the other end of the second plate body (22) is connected with the middle part of the third plate body (23);
or one end of the second plate body (22) is connected with the middle part of the first plate body (21), and the other end of the second plate body (22) is connected with the middle part of the third plate body (23).
9. The battery according to claim 7, wherein the first case member (20) or the second case member (30) further comprises:
the fourth plate body (24), fourth plate body (24) are two, two fourth plate body (24) set up relatively, fourth plate body (24) are connected first plate body (21), second plate body (22) and third plate body (23).
10. The battery according to any one of claims 1 to 9, wherein the first housing piece (20) and the second housing piece (30) are of the same structure.
11. A battery pack characterized by comprising the battery according to any one of claims 1 to 10.
12. The battery pack of claim 11, further comprising:
a third housing part (50), wherein the third housing part (50) is connected with the second housing part (30) at a side far away from the first housing part (20) in an insulated manner, and the other electric core (10) is positioned in the third housing part (50) and the second housing part (30);
wherein the first tab (12) of the other electrical core (10) is electrically connected to the second housing part (30), and the second tab (13) of the other electrical core (10) is electrically connected to the third housing part (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122331615.0U CN215644895U (en) | 2021-09-26 | 2021-09-26 | Battery and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122331615.0U CN215644895U (en) | 2021-09-26 | 2021-09-26 | Battery and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215644895U true CN215644895U (en) | 2022-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122331615.0U Active CN215644895U (en) | 2021-09-26 | 2021-09-26 | Battery and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215644895U (en) |
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2021
- 2021-09-26 CN CN202122331615.0U patent/CN215644895U/en active Active
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Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC lithium Technology Co.,Ltd. Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC lithium Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC lithium Technology Co.,Ltd. |