CN216288659U - Battery and battery pack with same - Google Patents
Battery and battery pack with same Download PDFInfo
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- CN216288659U CN216288659U CN202122885923.8U CN202122885923U CN216288659U CN 216288659 U CN216288659 U CN 216288659U CN 202122885923 U CN202122885923 U CN 202122885923U CN 216288659 U CN216288659 U CN 216288659U
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- cover plate
- battery
- connecting interface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a battery and a battery assembly with the same, wherein the battery comprises: an electric core; the shell, the parcel sets up in the outside of electric core, is provided with the connection interface on the shell, and the cavity intercommunication that connection interface and shell enclose is connected the interface and is used for being connected with the gasbag to the gasbag that makes to install at the connection interface collects through the gas that connection interface exhaust produced by electric core. Through the technical scheme provided by the utility model, the technical problem that the product performance of the battery cell is not convenient to master in real time in the prior art can be solved.
Description
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a battery and a battery assembly with the same.
Background
At present, electric core can produce certain gas in the use, generally need detect through the gas to electric core output to in real time master the performance of electric core. In the prior art, when gas production components are analyzed, the gas production rate and the gas production components of the battery cell are generally analyzed mainly through the final cycle stage.
However, such a detection method needs to detect the generated gas after the battery cell is cycled for a long time, which is too long to facilitate real-time control of the product performance of the battery cell.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a battery and a battery assembly with the same, so as to solve the technical problem that the product performance of a battery cell is not convenient to grasp in real time in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a battery including: an electric core; the shell, the parcel sets up in the outside of electric core, is provided with the connection interface on the shell, and the cavity intercommunication that connection interface and shell enclose is connected the interface and is used for being connected with the gasbag to the gasbag that makes to install at the connection interface collects through the gas that connection interface exhaust produced by electric core.
Further, the housing includes: the main shell part is arranged around the side part of the battery cell; the first cover plate is provided with a cathode pole and is provided with one end of the main shell part; the second cover plate is provided with a positive pole column and is arranged at the other end of the main shell; at least one of the main shell part, the first cover plate and the second cover plate is provided with a connecting interface.
Further, when the first cover plate is provided with the connecting interface, the first cover plate is also provided with a first explosion-proof valve, the first explosion-proof valve and the negative pole post are arranged at intervals along the length direction of the first cover plate, and the connecting interface is arranged between the first explosion-proof valve and the negative pole post; or when the first cover plate is provided with the connecting interface, the connecting interface is provided with the first explosion-proof valve.
Further, when the second cover plate is provided with the connecting interface, the second cover plate is also provided with a second explosion-proof valve, the second explosion-proof valve and the positive pole post are arranged at intervals along the length direction of the second cover plate, and the connecting interface is arranged between the second explosion-proof valve and the positive pole post; or when the second cover plate is provided with the connecting interface, the connecting interface is provided with a second explosion-proof valve.
Further, the battery further includes: the plugging piece is detachably arranged at the connecting interface so as to plug the connecting interface through the plugging piece.
Furthermore, a clamping structure is arranged on the plugging piece, so that the plugging piece is clamped at the connecting interface.
Further, the connecting interface is a circular port, an oval port or a polygonal port.
Further, when the first cover plate is provided with the connecting interface, the connecting interface is a circular opening, and the diameter of the circular opening is smaller than the width of the first cover plate; and/or when the second cover plate is provided with the connecting interface, the connecting interface is a circular opening, and the diameter of the circular opening is smaller than the width of the second cover plate.
Further, when the first cover plate is provided with the connection interface, the distance between the connection interface and the end of the first cover plate far away from the negative pole post is L1，44mm≤L1Less than or equal to 57 mm; and/or when the second cover plate is provided with the connecting interface, the distance between the connecting interface and one end of the second cover plate, which is far away from the positive pole post, is L2，44mm≤L2≤57mm。
Further, the connection interface is used for injecting liquid; or, still be provided with on the shell and annotate the liquid hole, annotate the liquid hole and connect the interface interval setting to annotate the liquid through annotating the liquid hole.
Furthermore, the thickness of the battery cell is A, and A is more than or equal to 10mm and less than or equal to 25 mm; and/or the length-width ratio of the battery cell is I, and I is more than or equal to 2.23 and less than or equal to 6; and/or the length of the battery cell is B, wherein B is more than or equal to 290mm and less than or equal to 600 mm; and/or the width of the battery cell is C, wherein C is more than or equal to 100mm and less than or equal to 130 mm.
According to another aspect of the present invention, there is provided a battery pack including: the battery provided above; and the air bag is detachably installed at the connection interface of the battery.
Further, the airbag includes: the body part is provided with an accommodating cavity and a communication port communicated with the accommodating cavity, and the communication port is used for being communicated with the connecting interface; and a sealing part arranged at the communication port to seal the communication port through the sealing part.
Further, the air bag is made of rubber, or polyvinyl chloride, or polyethylene.
By applying the technical scheme of the utility model, the air bag is only required to be arranged at the connecting interface, the generated gas of the battery core is collected through the air bag, and the air bag can be replaced according to different periods so as to collect the generated gas at different stages. After the air bag is taken down, only the gas production component in the air bag needs to be analyzed, and the structure is simple, the operation is convenient, the accurate detection is convenient, and the performance of the battery cell can be mastered in real time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural diagram illustrating a connection interface provided on a first cover plate according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram illustrating a connection interface provided on the second cover plate according to an embodiment of the present invention;
FIG. 3 is a schematic structural view illustrating an airbag disposed on a second cover plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram illustrating an airbag disposed on a first cover plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram illustrating an airbag provided on both the first cover plate and the second cover plate according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a housing; 11. connecting an interface; 12. a main housing portion; 13. a first cover plate; 131. a liquid injection hole; 14. a second cover plate; 20. an air bag; 21. a body portion; 22. a sealing part; 31. a negative electrode post; 32. a positive pole column; 41. a first explosion-proof valve; 42. a second explosion-proof valve.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 5, the present invention provides a battery, which includes a battery core and a casing 10, wherein the casing 10 is disposed outside the battery core, a connection interface 11 is disposed on the casing 10, the connection interface 11 is communicated with a cavity enclosed by the casing 10, and the connection interface 11 is used for being connected with an airbag 20, so that the airbag 20 installed at the connection interface 11 collects gas generated by the battery core and exhausted through the connection interface 11.
By adopting the battery provided by the utility model, the connecting interface 11 is arranged on the shell 10, when the gas production component of the battery core needs to be analyzed, only the air bag 20 needs to be arranged at the connecting interface 11, the gas production of the battery core is collected through the air bag 20, and the air bag 20 can be replaced according to different periods so as to collect the gas production at different stages. After the air bag 20 is taken down, only the gas production component in the air bag 20 needs to be analyzed, and the structure is simple, the operation is convenient, the accurate detection is convenient, and the performance of the battery core can be conveniently mastered in real time.
Specifically, the housing 10 in the present embodiment includes a main housing portion 12, a first cover plate 13, and a second cover plate 14, where the main housing portion 12 is disposed around the side of the battery cell. The first cover 13 is provided with a negative electrode terminal 31, and the first cover 13 is provided with one end of the main housing portion 12. The second cover plate 14 is provided with a positive pole post 32, and the second cover plate 14 is arranged at the other end of the main shell part 12; at least one of the main housing portion 12, the first cover 13, and the second cover 14 is provided with a connection interface 11. By adopting the structure, the gas production of the battery cell can be conveniently collected, and the gas production component and the gas production quantity can be conveniently and accurately detected.
Specifically, the first cover plate 13 and the second cover plate 14 in this embodiment can both meet the functional requirements of a normal battery cell, and the first cover plate 13 is further provided with a liquid injection hole 131.
In this embodiment, when the connection port 11 is provided on the first cover plate 13, the first cover plate 13 is further provided with a first explosion-proof valve 41, the first explosion-proof valve 41 and the negative electrode post 31 are arranged at intervals along the length direction of the first cover plate 13, and the connection port 11 is arranged between the first explosion-proof valve 41 and the negative electrode post 31. By adopting the structure, the arrangement position of the connecting interface 11 on the first cover plate 13 can be optimized conveniently, and the compactness of the structure layout is improved. Or, when the first cover plate 13 is provided with the connection interface 11, the first explosion-proof valve 41 is arranged at the connection interface 11, and the produced gas of the battery cell flows out through the first explosion-proof valve 41.
Specifically, when the connection interface 11 is disposed on the second cover plate 14, the second cover plate 14 is further provided with a second explosion-proof valve 42, the second explosion-proof valve 42 and the positive pole post 32 are disposed at intervals along the length direction of the second cover plate 14, and the connection interface 11 is disposed between the second explosion-proof valve 42 and the positive pole post 32. With such a structural arrangement, the arrangement position of the connection interface 11 on the second cover plate 14 can be optimized conveniently, and the compactness of the structural layout on the second cover plate 14 is improved. Or, when the second cover plate 14 is provided with the connection interface 11, the second explosion-proof valve 42 is arranged at the connection interface 11, and the produced gas of the battery cell flows out through the second explosion-proof valve 42.
In this embodiment, the battery further includes a blocking member detachably provided at the connection interface 11 to block the connection interface 11 by the blocking member. By adopting the structure, when the air bag 20 does not need to be installed at the connecting interface 11, only the plugging piece needs to be installed at the connecting interface 11, so that the sealing performance of the shell 10 is ensured, and the condition that the gas generated by the battery cell leaks out is avoided.
Specifically, a clamping structure is arranged on the plugging piece, so that the plugging piece is clamped at the connecting interface 11. By adopting the structure, the structure is simple, the disassembly and the assembly are convenient, and the operation is convenient for users. Alternatively, the plug may be mounted in the form of a knob to ensure sealing performance.
In the present embodiment, the connection interface 11 is a circular opening, an oval opening, or a polygonal opening (e.g., a hexagon). The shape of the connection port 11 is not limited as long as the airbag 20 can be attached to the connection port 11.
Specifically, when the connection port 11 is disposed on the first cover plate 13, the connection port 11 is a circular opening, and the diameter of the circular opening is smaller than the width of the first cover plate 13. Or, when the connection interface 11 is disposed on the second cover plate 14, the connection interface 11 is a circular opening, and a diameter of the circular opening is smaller than a width of the second cover plate 14. Or, when the first cover plate 13 is provided with the connection interface 11, the connection interface 11 is a circular opening, and the diameter of the circular opening is smaller than the width of the first cover plate 13; when the second cover plate 14 is provided with the connection interface 11, the connection interface 11 is a circular opening, and the diameter of the circular opening is smaller than the width of the second cover plate 14.
Preferably, when the first cover plate 13 is provided with the connection interface 11, the connection interface 11 is a circular opening, and the diameter of the circular opening is smaller than the width of the first cover plate 13; when the second cover plate 14 is provided with the connection interface 11, the connection interface 11 is a circular opening, and the diameter of the circular opening is smaller than the width of the second cover plate 14. With such a structural arrangement, the diameter of the circular opening is smaller than the width of the first cover plate 13, so that the connection interface 11 is completely circular in the first cover plate 13, and the connection interface 11 is connected with the airbag 20; by making the diameter of the circular opening smaller than the width of the second cover plate 14, the connection interface 11 is completely circular in the second cover plate 14, so that the connection interface 11 and the airbag 20 can be connected.
Preferably, when the connection interface 11 is disposed on the first cover plate 13, the center of the connection interface 11 on the first cover plate 13 is located at the position of the center line of the first cover plate 13 in the width direction; when the connection interface 11 is disposed on the second cover plate 14, the center of the connection interface 11 on the second cover plate 14 is located at the center line position of the second cover plate 14 in the width direction.
When the connection interface 11 is disposed on the first cover 13 and the connection interface 11 is polygonal, the maximum value of the inscribed diagonal of the connection interface 11 should be smaller than the width of the first cover 13. When the connection interface 11 is disposed on the second cover plate 14 and the connection interface 11 is polygonal, the maximum value of the inscribed diagonal of the connection interface 11 should be smaller than the width of the second cover plate 14.
Specifically, when the first cover plate 13 is provided with the connection interface 11, the connection interface 11 is located at a distance L from one end of the first cover plate 13 away from the cathode terminal 311，44mm≤L1Less than or equal to 57 mm. OrWhen the second cover plate 14 is provided with the connection interface 11, the distance between the connection interface 11 and the end of the second cover plate 14 far away from the positive pole post 32 is L2，44mm≤L2Less than or equal to 57 mm. Alternatively, when the first cover plate 13 is provided with the connection interface 11, the distance between the connection interface 11 and the end of the first cover plate 13 away from the cathode terminal 31 is L1，44mm≤L1Less than or equal to 57 mm; when the second cover plate 14 is provided with the connection interface 11, the distance between the connection interface 11 and the end of the second cover plate 14 far away from the positive pole post 32 is L2，44mm≤L2≤57mm。
Preferably, when the first cover plate 13 is provided with the connection interface 11, the distance between the connection interface 11 and the end of the first cover plate 13 far away from the cathode terminal 31 is L1，44mm≤L1Less than or equal to 57 mm; when the second cover plate 14 is provided with the connection interface 11, the distance between the connection interface 11 and the end of the second cover plate 14 far away from the positive pole post 32 is L2，44mm≤L2Less than or equal to 57 mm. With such a structural arrangement, the position layout of the connection interface 11 on the first cover plate 13 and the position layout of the connection interface 11 on the second cover plate 14 can be optimized conveniently, and the connection interface 11 can be prevented from shielding other structures of the first cover plate 13, the second cover plate 14, or the first cover plate 13 and the second cover plate 14, so that the airbag 20 can be installed at the connection interface 11 conveniently.
In particular, the connection interface 11 can be used for filling. Alternatively, the casing 10 is further provided with a liquid injection hole 131, and the liquid injection hole 131 is provided at a distance from the connection port 11 so as to inject liquid through the liquid injection hole 131.
Preferably, the casing 10 in this embodiment is further provided with a liquid injection hole 131, and the liquid injection hole 131 is spaced from the connection interface 11 so as to inject liquid through the liquid injection hole 131.
In the embodiment, the thickness of the battery cell is A, and A is more than or equal to 10mm and less than or equal to 25 mm; and/or the length-width ratio of the battery cell is I, and I is more than or equal to 2.23 and less than or equal to 6; and/or the length of the battery cell is B, wherein B is more than or equal to 290mm and less than or equal to 600 mm; and/or the width of the battery cell is C, wherein C is more than or equal to 100mm and less than or equal to 130 mm. By adopting the size range, the size of the battery cell can be optimized conveniently, and the optimal performance can be obtained.
The battery in this embodiment is suitable for an L-type battery, the thickness range of the battery cell includes, but is not limited to, 10mm to 25mm, and the range of the aspect ratio of the battery cell is: 2.23-6, the length range of the battery cell is as follows: 290mm-600mm, the width range of the battery cell is: 100mm-130 mm.
Another embodiment of the present invention provides a battery pack including the battery provided in the above embodiment and an air bag 20, the air bag 20 being detachably mounted at the connection interface 11 of the battery. By adopting the structure, the air bag 20 can conveniently collect the gas generated by the battery cell at different stages, the gas generation cost and the gas generation amount can be conveniently analyzed, and the service performance of the battery cell can be conveniently known in real time.
Specifically, the airbag 20 includes a body portion 21 and a sealing portion 22, the body portion 21 having an accommodation chamber and a communication port communicating with the accommodation chamber, the communication port being for communication with the connection interface 11. A sealing portion 22 is provided at the communication port to seal the communication port by the sealing portion 22. Specifically, when the airbag 20 is detached from the connection interface 11, the communication port is rapidly sealed by the sealing portion 22, so as to achieve the self-sealing function, and reduce the gas overflow in the airbag 20 or the external gas entering, so as to ensure the detection accuracy. Specifically, the sealing portion 22 may be a sealing strip or other structure having a sealing function.
Specifically, the airbag 20 in the present embodiment is made of rubber, or polyvinyl chloride, or polyethylene, so that the airbag 20 can withstand a certain compressive strength and wear resistance.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the gas generated by the battery core is convenient to collect, and the performance of the battery core is convenient to master in real time.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. A battery, comprising:
an electric core;
the battery cell comprises a shell (10) and is wrapped and arranged on the outer side of the battery cell, a connecting interface (11) is arranged on the shell (10), the connecting interface (11) is communicated with a cavity surrounded by the shell (10), and the connecting interface (11) is used for being connected with an air bag (20) so that the air bag (20) installed at the connecting interface (11) can collect gas exhausted from the battery cell through the connecting interface (11).
2. The battery according to claim 1, characterized in that the housing (10) comprises:
a main housing portion (12), the main housing portion (12) disposed around a side of the cell;
a first cover plate (13), wherein a cathode post (31) is arranged on the first cover plate (13), and one end of the main shell part (12) is arranged on the first cover plate (13);
a second cover plate (14), wherein a positive pole post (32) is arranged on the second cover plate (14), and the second cover plate (14) is arranged at the other end of the main shell part (12);
the connection interface (11) is arranged on at least one of the main housing portion (12), the first cover plate (13) and the second cover plate (14).
3. The battery according to claim 2,
when the connection interface (11) is arranged on the first cover plate (13), a first explosion-proof valve (41) is further arranged on the first cover plate (13), the first explosion-proof valve (41) and the negative pole post (31) are arranged at intervals along the length direction of the first cover plate (13), and the connection interface (11) is arranged between the first explosion-proof valve (41) and the negative pole post (31); alternatively, the first and second electrodes may be,
when the first cover plate (13) is provided with the connecting interface (11), a first explosion-proof valve (41) is arranged at the connecting interface (11).
4. The battery according to claim 2,
when the connection interface (11) is arranged on the second cover plate (14), a second explosion-proof valve (42) is further arranged on the second cover plate (14), the second explosion-proof valve (42) and the positive pole post (32) are arranged at intervals along the length direction of the second cover plate (14), and the connection interface (11) is arranged between the second explosion-proof valve (42) and the positive pole post (32); alternatively, the first and second electrodes may be,
when the second cover plate (14) is provided with the connecting interface (11), a second explosion-proof valve (42) is arranged at the connecting interface (11).
5. The battery according to any one of claims 1 to 4, characterized in that the battery further comprises:
the plugging piece is detachably arranged at the connecting interface (11) so as to plug the connecting interface (11) through the plugging piece.
6. The battery according to claim 5, characterized in that a clamping structure is arranged on the blocking piece to clamp the blocking piece at the connecting interface (11).
7. The battery according to any one of claims 1 to 4, characterized in that the connection interface (11) is a circular mouth, or an elliptical mouth, or a polygonal mouth.
8. The battery according to any one of claims 2 to 4,
when the connecting interface (11) is arranged on the first cover plate (13), the connecting interface (11) is a circular opening, and the diameter of the circular opening is smaller than the width of the first cover plate (13); and/or the presence of a gas in the gas,
when the connecting interface (11) is arranged on the second cover plate (14), the connecting interface (11) is a circular opening, and the diameter of the circular opening is smaller than the width of the second cover plate (14).
9. The battery according to any one of claims 2 to 4,
when the first cover plate (13) is provided with the connecting interface (11), the distance between the connecting interface (11) and one end, far away from the cathode pole (31), of the first cover plate (13) is L1，44mm≤L1Less than or equal to 57 mm; and/or the presence of a gas in the gas,
when the second cover plate (14) is provided with the connecting interface (11), the distance between the connecting interface (11) and one end, far away from the anode pole (32), of the second cover plate (14) is L2，44mm≤L2≤57mm。
10. The battery according to claim 1 or 2,
the connection interface (11) is used for injecting liquid; alternatively, the first and second electrodes may be,
still be provided with on shell (10) and annotate liquid hole (131), annotate liquid hole (131) with connect interface (11) interval setting to annotate liquid through annotate liquid hole (131).
11. The battery according to any one of claims 1 to 4,
the thickness of the battery cell is A, and A is more than or equal to 10mm and less than or equal to 25 mm; and/or the presence of a gas in the gas,
the length-width ratio of the battery cell is I, and I is more than or equal to 2.23 and less than or equal to 6; and/or the presence of a gas in the gas,
the length of the battery cell is B, and B is more than or equal to 290mm and less than or equal to 600 mm; and/or the presence of a gas in the gas,
the width of the battery cell is C, and C is not less than 100mm and not more than 130 mm.
12. A battery assembly, comprising:
the battery of any one of claims 1 to 11;
an airbag (20) detachably mounted at a connection interface (11) of the battery.
13. The battery assembly according to claim 12, wherein the air bag (20) comprises:
a body portion (21), the body portion (21) having an accommodation chamber and a communication port communicating with the accommodation chamber, the communication port being for communication with the connection interface (11);
a sealing portion (22) provided at the communication port to seal the communication port by the sealing portion (22).
14. The battery assembly according to claim 12, wherein the bladder (20) is made of rubber, or polyvinyl chloride, or polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122885923.8U CN216288659U (en) | 2021-11-23 | 2021-11-23 | Battery and battery pack with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122885923.8U CN216288659U (en) | 2021-11-23 | 2021-11-23 | Battery and battery pack with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216288659U true CN216288659U (en) | 2022-04-12 |
Family
ID=81036936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122885923.8U Active CN216288659U (en) | 2021-11-23 | 2021-11-23 | Battery and battery pack with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216288659U (en) |
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2021
- 2021-11-23 CN CN202122885923.8U patent/CN216288659U/en active Active
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