CN217427025U - Battery module and battery pack - Google Patents
Battery module and battery pack Download PDFInfo
- Publication number
- CN217427025U CN217427025U CN202221325186.4U CN202221325186U CN217427025U CN 217427025 U CN217427025 U CN 217427025U CN 202221325186 U CN202221325186 U CN 202221325186U CN 217427025 U CN217427025 U CN 217427025U
- Authority
- CN
- China
- Prior art keywords
- pole
- battery
- stacking surface
- wall plate
- battery module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The application relates to battery technology field, especially relates to a battery module and battery package, and the battery module includes: the battery comprises at least two battery cells, wherein the at least two battery cells are stacked in sequence; each cell comprises a first stacking surface and a second stacking surface; the first stacking surface is provided with a first concave part, and the first concave part is provided with a first pole; the second stacking surface is provided with a second pole; each first pole is connected with the second pole of the adjacent battery cell in the first concave part. The application provides a battery module piles up the in-process one by one at a plurality of electric cores, and the use of busbar has been removed from one by one in the connection process to the utmost point post of each electric core, need not use supporting frock or the specialized tool of busbar, has simplified the processing technology flow, helps saving this battery module's cost moreover, has reduced the space that the busbar occupy in the battery package moreover to a very big extent, has improved the space utilization of battery package.
Description
Technical Field
The present application relates to the field of battery technology, and in particular, to a battery module and a battery pack.
Background
At present, when square battery cells of a lithium ion power battery form a module, a plurality of battery cells generally need to be welded and connected through a bus bar, and a positioning tool or a supporting structure needs to be used when the bus bar is welded with a battery cell pole or the bus bar is welded with the bus bar, so that the processing procedures and cost are increased, and the production efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a battery module and battery package to solve a plurality of electric cores that exist to a certain extent among the prior art and need use the utmost point post of the busbar welding a plurality of electric cores when constituting the module, the loaded down with trivial details and higher technical problem of cost of manufacturing procedure.
The application provides a battery module, includes: at least two battery cells, wherein the at least two battery cells are stacked in sequence;
each cell comprises a first stacking surface and a second stacking surface; the first stacking surface is provided with a first concave part, and the first concave part is provided with a first pole; the second stacking surface is provided with a second pole;
each first pole is connected with the second pole adjacent to the battery cell in the first concave portion.
In the above technical solution, further, the battery cell has a rectangular parallelepiped structure, and the first stacking surface and the second stacking surface are two side wall surfaces with the largest area among six wall surfaces of the rectangular parallelepiped structure;
one end of the first stacking surface is provided with the first concave part, the other end of the first stacking surface is provided with a second concave part, and the first concave part is arranged opposite to the second concave part;
a second pole of each battery cell is arranged on the second stacking surface at a position opposite to the second concave part;
in any two adjacent battery cells, the first stacking surface of one of the battery cells faces the second stacking surface of the other of the two adjacent battery cells.
In any of the above technical solutions, further, the first concave portion and the second concave portion have the same height d distributed along the thickness direction of the battery cell, and the height of the first pole is t 1 The height of the second pole is t 2 A gap g is formed between the adjacent first stacking surface and the second stacking surface, and 2d + g is t 1 +t 2 ；
The thickness of the battery cell is W, g is not more than 20% W, and W is not less than 10mm and not more than 70 mm.
In any of the above technical solutions, further, the first pole has a first tolerance t 1min The second pole piece has a second tolerance t 2min The depth of the first and second recesses having a limit value d max ，g≥(t 1min +t 2min -2d max )≥0。
In any one of the above technical solutions, further, in the first concave portion, a weld is formed between the first pole and the second pole, and the first pole and the second pole are connected to each other by welding.
In any one of the foregoing technical solutions, further, a slope angle is formed on outer side edges of the first pole column and the second pole column extending in the width direction of the battery cell respectively.
In any one of the above technical solutions, further, expansion grooves are formed in the first pole column and the second pole column, and the depth of each expansion groove extends along the length direction or the width direction of the battery cell.
In any of the above technical solutions, further, the first pole has a U-shaped structure, and includes a first conducting wall plate and a second conducting wall plate that are connected to each other;
the second pole column is of a U-shaped structure and comprises a third conducting wall plate and a fourth conducting wall plate which are connected with each other, the third conducting wall plate is located between the first conducting wall plate and the second conducting wall plate, and the first conducting wall plate is connected with the first conducting wall plate and/or the second conducting wall plate.
In any of the above technical solutions, further, the first pole column and the second pole column are connected by a connection assembly;
the connecting assembly includes: the conductive connecting piece is arranged in the first concave part, and an inserting channel is formed in the connecting piece;
the elastic body is inserted into the insertion channel so that the conductive connecting piece is connected with the first pole column and the second pole column simultaneously;
the insulating part, the insulating part is formed with the slot, the side of electrically conductive connecting piece set up in the slot.
The application also provides a battery pack, which comprises the battery module in any technical scheme, so that all beneficial technical effects of the battery module are achieved, and the details are not repeated.
Compared with the prior art, the beneficial effect of this application is:
the present application provides a battery module comprising: the battery comprises at least two battery cells, wherein the at least two battery cells are stacked in sequence; each cell comprises a first stacking surface and a second stacking surface; the first stacking surface is provided with a first concave part, and the first concave part is provided with a first pole; the second stacking surface is provided with a second pole; each first pole is connected with the second pole of the adjacent battery cell in the first concave part.
The application provides a battery module piles up the in-process one by one at a plurality of electric cores, and the use of busbar has been removed from one by one in the connection process to the utmost point post of each electric core, need not use supporting frock or the specialized tool of busbar, has simplified the processing technology flow, helps saving this battery module's cost moreover, has reduced the space that the busbar occupy in the battery package moreover to a very big extent, has improved the space utilization of battery package.
The application provides a battery package, include the aforesaid battery module, therefore, help simplifying the technological process of battery package in the course of working through this battery module, reduce the quantity of busbar by a wide margin, both saved the cost, still be favorable to the lightweight design of battery package.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a first cell structure of a battery module provided in an embodiment of the present application;
fig. 2 is another view of a first cell of a battery module provided in an embodiment of the present application;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
fig. 4 is a top view of a battery module provided in an embodiment of the present application in a state where a plurality of battery cells are stacked;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
fig. 6 is a first partial schematic view of a battery module according to an embodiment of the present disclosure;
fig. 7 is a second partial schematic view of a battery module according to an embodiment of the present disclosure;
fig. 8 is a third partial schematic view of a battery module according to an embodiment of the present disclosure;
fig. 9 is a schematic view of a partial structure of a battery module according to an embodiment of the present disclosure.
Reference numerals:
1-a first battery cell, 101-a first stacking surface, 102-a second stacking surface, 103-a first concave portion, 104-a second concave portion, 105-a first pole column, 1051-a first conduction wall plate, 1052-a second conduction wall plate, 106-a second pole column, 1061-a third conduction wall plate, 1062-a fourth conduction wall plate, 107-a slope angle, 108-an expansion groove, 2-a second battery cell, 3-a conductive connecting piece, 301-a plug-in channel, 4-an elastic body, 5-an insulating piece and 501-a slot.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The following describes a battery module and a battery pack according to an embodiment of the present application with reference to fig. 1 to 9.
Referring to fig. 1 to 9, an embodiment of the present application provides a battery module including a plurality of battery cells, in the state shown in fig. 5, the plurality of battery cells are sequentially stacked from top to bottom, specifically, each battery cell includes a first stacking surface 101 and a second stacking surface 102, and in any two adjacent battery cells along a stacking direction of the plurality of battery cells, the first stacking surface 101 of one battery cell and the second stacking surface 102 of another battery cell are disposed to face each other; each cell is provided with a first pole post 105 and a second pole post 106, the polarities of the first pole post 105 and the second pole post 106 are opposite, the first stacking surface 101 of each cell is provided with a first concave portion 103 and a second concave portion 104, the first pole post 105 is arranged in the first concave portion 103, and the second pole post 106 is arranged in the second stacking surface 102.
Taking two adjacent battery cells as an example, two adjacent battery cells are defined as a first battery cell 1 and a second battery cell 2, a first stacking surface 101 of the first battery cell 1 is disposed facing a second stacking surface 102 of the second battery cell 2, a first pole 105 of the first battery cell 1 is disposed facing a second pole 106 of the second battery cell 2, and the second pole 106 of the first battery cell 1 is disposed at a position where the second stacking surface 102 of the battery cell corresponds to the second concave portion 104, after the two battery cells are stacked, the first pole 105 of the first battery cell 1 and the second pole 106 of the second battery cell 2 are directly attached to each other in the first concave portion 103, so that the first battery cell 1 and the second battery cell 2 are conducted, or the two battery cells are welded in the first concave portion 103, so that the two battery cells are conducted. A plurality of electric cores are piled up according to this law in order.
Further, each cell has a rectangular parallelepiped structure, and the first stacking surface 101 and the second stacking surface 102 are two wall surfaces having the largest area among six wall surfaces of the rectangular parallelepiped structure of the cell. The first concave portion 103 is disposed at a center position of one end of the first stacking surface 101, the second concave portion 104 is disposed at a center position of the other end of the first stacking surface 101, and any two adjacent cells are disposed upside down from each other along the stacking direction of the plurality of cells, specifically, in the state shown in fig. 1 to 3, the left end of the first cell 1 is the first concave portion 103, the right end is the second concave portion 104, and the left end of the second cell 2 is the second concave portion 104, and the right end is the first concave portion 103, so that in the case where the first cell 1 and the second cell 2 have the same structure, by disposing the first cell 1 and the second cell 2 upside down, the first pole 105 of the first cell 1 and the second pole 106 of the second cell 2 can be stacked in the first concave portion 103 of the first cell 1, the second concave portion 104 is empty, and the second concave portion 104 of the second cell 2 is empty, and the first pole 105 of the second cell 2 can be stacked together with the second pole 106 of the next cell below in the second concave portion 103 In the first concave part 103 of electric core 2 to make another electric core below first electric core 1, second electric core 2 and second electric core 2 switch on in order, a plurality of electric cores all pile up according to this law, not only can guarantee that a plurality of electric cores switch on in order, can also produce a plurality of electric cores with batch production's mode, help improving the production efficiency of electric core, easily control cost moreover.
Further, preferably, in an ideal state, d + g ═ t 1 +t 2 Where d is the height of the first recess 103 and the second recess 104, t 1 、t 2 The height of the first pole 105 and the height of the second pole 106 in the same first concave portion 103 are provided, g is a gap between the first stacking surface 101 and the second stacking surface 102 of two adjacent cells, preferably, g is 20% W, W is the thickness of a single cell, more preferably, W is greater than or equal to 10 and less than or equal to 70mm, and mutual contact or attachment between the casings of the two cells is avoided, so that in this ideal state, after the two cells are stacked, the first pole 105 and the second pole 106 of the two cells are in a state of being attached to each other, and operations such as welding are not required.
Further, the first pole post 105 and the second pole post 106 in the same first recess 103 have a first tolerance t 1min And a second tolerance t 2min ，t 1min In particular the minimum dimension, t, of the tolerance of the first pole 105 2min In particular the minimum dimension of the tolerance of the second pole 106, while the depth of the first recess 103 has a limit value d max Preferably, g ≧ t 1min +t 2min -d max ) Not less than 0, make first concave part 103 form on the electric core sunken but not run through the electric core to guarantee to have clearance g between the casing of two adjacent electric cores, the casing of two electric cores does not contact each other, and the first utmost point post 105 and the second utmost point post 106 of two adjacent electric cores can be held in same first concave part 103 simultaneously, do not influence a plurality of electric cores and pile up in order.
Further, the first pole post 105 is preferably a positive pole post, the second pole post 106 is preferably a negative pole post, the first pole post 105 and the second pole post 106 are preferably rectangular parallelepiped block structures, and the first pole post 105 of the first cell 1 and the second pole post 106 of the second cell 2 are welded in a state that the first cell 1 and the second cell 2 are stacked on each other so as to avoid connecting the two in a bus bar manner.
Preferably, the outer side edges of the first pole post 105 and the second pole post 106 of each cell extending along the width direction of the cell form a slope angle 107, so that two adjacent cells have welding tolerance when the first pole post 105 and the second pole post 106 are welded.
More preferably, the first pole post 105 and the second pole post 106 of each cell are both formed with an expansion groove 108, the expansion groove 108 extends along the length or width direction of the first pole post 105 and the second pole post 106, so that the first pole post 105 and the second pole post 106 can deform to a certain extent, and thus the first pole post 105 and the second pole post 106 can absorb the expansion deformation of the first cell 1 and/or the second cell 2, when at least one of the first cell 1 and the second cell 2 deforms, the first pole post 105 and/or the second pole post 106 deforms accordingly, so that the connection structure between the first pole post 105 and the second pole post 106 of two adjacent cells cannot be damaged.
Further, in the state shown in fig. 8, the first pole 105 has a U-shaped structure, and includes a first conductive wall plate 1051 and a second conductive wall plate 1052 that are parallel to each other and extend along the length direction or the width direction of the battery cell, the second pole 106 has a U-shaped structure, and includes a third conductive wall plate 1061 and a fourth conductive wall plate 1062 that are parallel to each other, wherein the length of the first conductive wall plate 1051 is the same as that of the third conductive wall plate 1061, the length of the second conductive wall plate 1052 is the same as that of the fourth conductive wall plate 1062, and the length of the first conductive wall plate 1051 is greater than that of the third conductive wall plate 1061, so that the first pole 105 and the second pole 106 can be clamped and conducted in a mutually nested manner, thereby achieving a bus bar connection without bus bar connection, reducing the usage amount of bus bars in the battery pack, and reducing the space occupation of the bus bars in the battery pack, and simultaneously, as the first conductive wall plate 1051 and the third conductive wall plate 1061 are attached to each other, the first pole 105 and the second pole 106 are attached to each other to make the first conductive wall plate 1061 and the second pole 106 conductive wall plate 105 and the second pole 106 conductive wall plate 1061 to each other to make the first conductive wall plate connected to each other And the battery cell are not required to be welded, so that the complexity of the process flow of mutually conducting the battery cells is simplified.
Further, two adjacent battery cells are connected in the first recess 103 or the second recess 104 by a connection assembly, and the connection assembly includes: the conductive connecting element 3, the elastic body 4 and the insulating element 5, wherein the conductive connecting element 3 has a U-shaped structure, the insertion channel 301 is formed inside the U-shaped structure, the elastic body 4 has a certain elasticity and a flat plate structure, the thickness of the elastic body 4 is slightly larger than the width of the insertion channel 301 (specifically, the distance between the inner wall surfaces of the two side walls of the U-shaped structure), the conductive connecting element 3 has conductivity and a certain flexibility, after the conductive connecting element 3 is arranged between the first pole 105 of the first electric core 1 and the second pole 106 of the second electric core 2, the elastic body 4 is inserted into the insertion channel 301, the elastic body 4 can extrude the two side walls of the conductive connecting element 3 to respectively contact and attach with the first pole 105 and the second pole 106, thereby realizing mutual conduction of the first pole 105 and the second pole 106 through the conductive connecting element 3 and realizing busbar-free connection, the welding process step is also avoided.
The insulating member 5 has a long-strip-shaped flat plate structure, a first slot 501 and a second slot 501 are formed in one side face, facing the conductive connecting member 3 and the elastic body 4, of the insulating member 5, the shape of the first slot 501 and the shape of the second slot 501 are respectively matched with the edge shapes of the two side wall plates of the conductive connecting member 3, so that the insulating member 5 can be connected with the edges of the two side walls of the conductive connecting member 3 in a sliding connection mode, the conductive connecting member 3, the first pole column 105 and the second pole column 106 are insulated from spaces outside the battery cell, and the conductive connecting member 3 is prevented from being conducted with other parts to cause short circuit.
To sum up, the battery module that this application provided piles up the in-process one by one at a plurality of electric cores, and the utmost point post of each electric core is connected through modes such as butt, welding, joint in the connection process one by one, removes the use of busbar from, need not use supporting frock of busbar or specialized tool, has simplified the processing technology flow, helps saving the cost of this battery module moreover, has reduced the space that the busbar occupy in the battery package in addition to very big degree, has improved the space utilization of battery package.
Embodiments of the present application further provide a battery pack including the battery module according to any of the above embodiments, so that all the beneficial technical effects of the battery module are achieved, and details are not repeated herein.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A battery module, comprising: the battery comprises at least two battery cells, wherein the at least two battery cells are stacked in sequence;
each cell comprises a first stacking surface and a second stacking surface; the first stacking surface is provided with a first concave part, and the first concave part is provided with a first pole; the second stacking surface is provided with a second pole;
each first pole is connected with the second pole adjacent to the battery cell in the first concave portion.
2. The battery module according to claim 1, wherein the cell has a rectangular parallelepiped structure, and the first stacking surface and the second stacking surface are two side wall surfaces having the largest area among six wall surfaces of the rectangular parallelepiped structure;
one end of the first stacking surface is provided with the first concave part, the other end of the first stacking surface is provided with a second concave part, and the first concave part is arranged opposite to the second concave part;
a second pole of each battery cell is arranged on the second stacking surface at a position opposite to the second concave part;
in any two adjacent battery cells, the first stacking surface of one of the battery cells faces the second stacking surface of the other of the two adjacent battery cells.
3. The battery module according to claim 2, wherein the first concave portion and the second concave portion have the same height d distributed in the thickness direction of the battery core, and the height of the first pole is t 1 The height of the second pole is t 2 A gap g is formed between the adjacent first stacking surface and the second stacking surface, and 2d + g is t 1 +t 2 ；
The thickness of the battery cell is W, g is not more than 20% W, and W is not less than 10mm and not more than 70 mm.
4. The battery module of claim 3, wherein the first terminal post has a first tolerance t 1min The second pole piece has a second tolerance t 2min The depth of the first and second recesses having a limit value d max ，g≥(t 1min +t 2min -2d max )≥0。
5. The battery module according to claim 1, wherein a weld is formed between the first terminal post and the second terminal post in the first recess, and the first terminal post and the second terminal post are connected to each other by welding.
6. The battery module according to claim 1, wherein outer side edges of the first pole and the second pole extending in the width direction of the battery cell are respectively formed with a slope angle.
7. The battery module according to claim 1, wherein the first pole post and the second pole post are each formed with an expansion groove having a depth extending in a length direction or a width direction of the battery cell.
8. The battery module of claim 1, wherein the first terminal post has a U-shaped structure including a first conductive wall plate and a second conductive wall plate connected to each other;
the second pole column is of a U-shaped structure and comprises a third conducting wall plate and a fourth conducting wall plate which are connected with each other, the third conducting wall plate is located between the first conducting wall plate and the second conducting wall plate, and the first conducting wall plate is connected with the first conducting wall plate and/or the second conducting wall plate.
9. The battery module according to any one of claims 1 to 8, wherein the first pole post and the second pole post are connected by a connection assembly;
the connecting assembly includes: the conductive connecting piece is arranged in the first concave part, and an inserting channel is formed in the connecting piece;
the elastic body is inserted into the insertion channel so that the conductive connecting piece is connected with the first pole column and the second pole column simultaneously;
the insulating part, the insulating part is formed with the slot, the side of electrically conductive connecting piece set up in the slot.
10. A battery pack characterized by comprising the battery module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325186.4U CN217427025U (en) | 2022-05-27 | 2022-05-27 | Battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325186.4U CN217427025U (en) | 2022-05-27 | 2022-05-27 | Battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217427025U true CN217427025U (en) | 2022-09-13 |
Family
ID=83190381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221325186.4U Active CN217427025U (en) | 2022-05-27 | 2022-05-27 | Battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217427025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115377615A (en) * | 2022-10-21 | 2022-11-22 | 楚能新能源股份有限公司 | Blade battery, battery module and battery module assembly method |
-
2022
- 2022-05-27 CN CN202221325186.4U patent/CN217427025U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115377615A (en) * | 2022-10-21 | 2022-11-22 | 楚能新能源股份有限公司 | Blade battery, battery module and battery module assembly method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2583544C (en) | Secondary battery pack having configuration of alternative orientation | |
| EP2765632A1 (en) | Battery module assembly having improved reliability and medium or large-sized battery pack including same | |
| JP6230543B2 (en) | Electrical connector and battery comprising the same | |
| CN107851767A (en) | Supply unit and battery unit busbar | |
| EP3723158A1 (en) | Battery module | |
| CN217427025U (en) | Battery module and battery pack | |
| CN109494326A (en) | Electrical storage device | |
| KR101797693B1 (en) | Battery Pack Prepared Using Electrical Connecting Member for Battery Cell with Contact Bending Part | |
| CN216980788U (en) | Battery and battery pack | |
| CN213636154U (en) | Battery core assembly and battery | |
| CN220491996U (en) | Battery, battery pack and electric equipment | |
| CN209880719U (en) | Battery module | |
| CN216389486U (en) | Square shell lithium ion battery | |
| CN217086828U (en) | Battery and battery pack | |
| CN216850206U (en) | Battery cell structure and battery module | |
| CN216698663U (en) | Lithium ion battery convenient to it is in groups | |
| WO2022170492A1 (en) | Battery, power apparatus, and battery manufacturing method and device | |
| CN209766520U (en) | Battery cell module | |
| CN220400860U (en) | Battery and battery pack | |
| CN217427024U (en) | Bus bar and battery pack | |
| CN219476934U (en) | Battery and battery pack | |
| CN219419225U (en) | Battery and battery pack | |
| CN220856838U (en) | Output busbar, busbar subassembly and battery package | |
| CN217405555U (en) | Battery and battery pack | |
| CN220483877U (en) | Tray |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |