CN206727139U - Battery modules end plate and battery modules - Google Patents
Battery modules end plate and battery modules Download PDFInfo
- Publication number
- CN206727139U CN206727139U CN201720608321.9U CN201720608321U CN206727139U CN 206727139 U CN206727139 U CN 206727139U CN 201720608321 U CN201720608321 U CN 201720608321U CN 206727139 U CN206727139 U CN 206727139U
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- battery modules
- rigid
- end plate
- plane
- flexible
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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
Abstract
The application is related to cell art, more particularly to a kind of battery modules end plate, further relates to a kind of battery modules.Battery modules end plate is used for, including flexible connecting member and rigid connector positioned opposite with the rigid end sheet of battery modules, and flexible connecting member is molded with rigid connector by way of being integrally machined；Wherein：Flexible connecting member includes flexible body and flexible installing portion, and flexible installing portion has mounting hole, and rigid connector is arranged in mounting hole；Rigid connector has the through hole extended along battery modules short transverse, and through hole is used for appended claims to install battery modules.Battery modules end plate provided herein can improve the efficiency of assembling of battery modules.
Description
Technical field
The application is related to cell art, more particularly to a kind of battery modules end plate, further relates to a kind of battery modules.
Background technology
It is known that due to the relation of battery its voltage and capacity, typically will not used aloned, but use multiple electricity
Pond connects together use by way of serial or parallel connection, so as to obtain higher voltage or bigger electric current, to meet to make
Use demand.Traditional battery modules generally include shell, flexible structure and multiple batteries, and the outermost both sides of plurality of battery are equal
Against flexible structure, after flexible structure can absorb battery modules work a period of time, caused by because of the increase of battery volume
Expansive force, extend the life-span of battery modules.
At present, the shell of battery modules mainly has two kinds：The first, as shown in figure 1, the shell includes set component 140, end
Plate 160, side plate, in this shell, the mode that set component 140 must first go through welding is fixedly connected with end plate 160, is then welded again
Connect end plate 160 and side plate, complex technical process.Second, as shown in Fig. 2 the shell includes end plate and side plate, its end plates is again
Including body and reel 6.When processing this shell, it is necessary to first pass through curling process and reel 6, then welding ends are rolled out at body both ends
Plate and side plate, complex technical process.And in this shell, in order to ensure the flatness at reel 6, it is necessary to increase transition piece
5, cause whole process more cumbersome.Because the shell process of above two battery modules is cumbersome, cause current electricity
The assembly technology of pond module is complex.
Utility model content
This application provides a kind of battery modules end plate, to solve the assembler of current battery module described in background technology
The problem of skill complexity.
The first aspect of the application provides a kind of battery modules end plate, for cloth relative with the rigid end sheet of battery modules
Put, including flexible connecting member and rigid connector, and the flexible connecting member and the rigid connector are by being integrally machined
Mode is molded；Wherein：
The flexible connecting member includes flexible body and flexible installing portion, and the flexible installing portion has mounting hole, and institute
Rigid connector is stated to be arranged in the mounting hole；
The rigid connector have along the battery modules short transverse extend through hole, the through hole be used for it is tight
Firmware coordinates to install the battery modules.
Preferably, in above-mentioned battery modules end plate：
The flexible connecting member and the rigid connector are molded by way of integrated injection molding.
Preferably, in above-mentioned battery modules end plate：
Perspective plane of the outer surface in the flexible installing portion in the short transverse is shaped as polygon, the outer surface
Including multiple planes, multiple planes are respectively used to be bonded with the side plate of the battery modules and the rigid end sheet.
Preferably, in above-mentioned battery modules end plate：
The polygon is rectangle, and two planes adjacent in the outer surface respectively with the side plate and the rigidity
End plate is bonded.
Preferably, in above-mentioned battery modules end plate：
The rigid connector is circular column structure, and the mounting hole is circular port.
Preferably, in above-mentioned battery modules end plate：
In the short transverse, the rigid connector includes relative the first plane and the second plane, the flexibility
Installation portion includes relative the 3rd plane and fourth plane；
First plane is concordant with the 3rd plane, and second plane is concordant with the fourth plane.
Preferably, in above-mentioned battery modules end plate：
The material of the rigid connector is aluminium.
Battery modules end plate based on confession as mentioned above, the second aspect of the application provide a kind of battery modules, carried
The battery modules of confession include rigid end sheet and side plate, and as above any described battery modules end plate；Wherein：
The battery modules end plate and the rigid end sheet are positioned opposite；The side plate and the rigid end sheet, which are fixed, to be connected
Connect.
Preferably, in above-mentioned battery modules：
Bar-shaped trough is provided with the rigid end sheet of the battery modules.
Preferably, in above-mentioned battery modules：
The a plurality of bar-shaped trough, and two bars of arbitrary neighborhood are provided with the rigid end sheet along its length
There is predetermined interval between shape groove.
The technical scheme that the application provides can reach following beneficial effect：
In the battery modules end plate that the application provides, flexible connecting member includes flexible body and flexible installing portion, rigidly connects
Fitting is arranged in the mounting hole that flexible installing portion has.Flexible connecting member and rigid connector are integrally machined shaping, and rigidity
Connector have along battery modules short transverse extend through hole, fastener be used for through through hole and with battery modules installation site
The counter structure at place coordinates, and battery modules are installed into specified location.In this battery modules end plate provided herein,
Because flexible connecting member and rigid connector are molded by way of being integrally machined, so when assembling battery modules, Ke Yizhi
Connecing makes battery modules end plate coordinate with rigid end sheet, then by rigid end sheet and plate-side plate welding to together.Eliminate current electricity
Need to first pass through in the assembling process of pond module welding will set component with end plate connection together with；Or by curling process on body
The step for rolling out reel, and then make the assembling process of battery modules simpler.
It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited
Application.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the battery modules shell mentioned in the application background technology；
Fig. 2 is the structural representation for another battery modules shell mentioned in the application background technology；
The structural representation for the battery modules end plate that Fig. 3 is provided by the embodiment of the present application；
The structural representation for the battery modules that Fig. 4 is provided by the embodiment of the present application；
The decomposing schematic representation for the battery modules that Fig. 5 is provided by the embodiment of the present application；
The structural representation of the rigid end sheet for the battery modules that Fig. 6 is provided by the embodiment of the present application.
Reference：
In fig. 1 and 2：
140- covers component；
160- end plates；
5- transition pieces；
6- reels；
In figs. 3-5：
1- flexible connecting members；
11- flexible bodies；
The locating slots of 111- first；
The locating slots of 112- second；
113- loads and unloads groove；
12- flexible installings portion；
121- mounting holes；
The planes of 122- the 3rd；
2- rigid connectors；
21- through holes；
The planes of 22- first；
3- rigid end sheets；
31- bar-shaped troughs；
The location-plates of 32- first；
The location-plates of 33- second；
4- side plates.
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As shown in figure 3, the embodiment of the present application provides a kind of battery modules end plate, for the rigid end sheet with battery modules
3 is positioned opposite, as shown in Figure 4.The battery modules end plate provided includes flexible connecting member 1 and rigid connector 2, and flexibility is even
Fitting 1 and rigid connector 2 are molded by way of being integrally machined.
Wherein, flexible connecting member 1 can include flexible body 11 and flexible installing portion 12, due to flexible connecting member 1 and just
Property connector 2 is structure as a whole, so flexible installing portion 12 has mounting hole 121, and rigid connector 2 is arranged on mounting hole
In 121；Rigid connector 2 has the through hole 21 extended along battery modules short transverse, and fastener can be used for matching somebody with somebody with through hole 21
Close, complete the installment work of battery modules.In addition, it is necessary to explanation, the short transverse of battery modules is Z side shown in Fig. 5
To, and as in Fig. 5, any both of which in X, Y and Z-direction three is mutually orthogonal.
Specifically, rigid connector 2 can be metal material by the rigid columnar structure made of mode such as casting, and just
Property perspective plane shape of the connector 2 along Z-direction can be circle, annular, polygon etc..In the perspective plane shape of rigid connector 2
, can be along the short transverse of rigid connector 2, i.e. Z-direction, using one end-face center as processing when shape is circular or polygon
Starting point, drill out through hole 21.Obvious, when being shaped as annular on the perspective plane of rigid connector 2, it may not be necessary to which individually processing is logical again
Hole 21.The material of flexible connecting member 1 can be plastics etc., and flexible connecting member 1 can be the platy structure of setting thickness.It is flexible
Connector 1 and rigid connector 2 can be molded by way of being integrally machined, and rigid connector 2 is wrapped in flexible connection
In part 1.Wherein, the middle part of flexible connecting member 1 can be flexible body 11, flexible body 11 can be used for in battery modules
Battery against cooperation, so as to absorb after battery work a period of time because of volume increase and caused by expansive force；Flexible connection
The end of part 1 can be flexible installing portion 12, and the inside in two flexible installing portions 12 can be enclosed with a rigidity respectively and connect
Fitting 2, the inside in flexible installing portion 12 is mounting hole 121.Obvious, fastener can pass through through hole 21 and and battery modules
The counter structure of installed position coordinates, and battery modules are installed into specified location.
In the battery modules end plate that the embodiment of the present application is provided, flexible connecting member 1 includes flexible body 11 and flexible peace
Dress portion 12, rigid connector 2 are arranged in the mounting hole 121 that flexible installing portion 12 has, and flexible connecting member 1 and are rigidly connected
Part 2 is molded by way of being integrally machined.Rigid connector 2 has the through hole 21 extended along battery modules short transverse, through hole
21 are used for appended claims to install battery modules.In this battery modules end plate that the application provides, due to being rigidly connected
Part 2 is molded with flexible connecting member 1 by way of being integrally machined, and the two is formed an entirety.When assembling battery modules, work
After making personnel and directly can coordinating battery modules end plate and rigid end sheet 3, then weld rigid end sheet 3 and side plate 4.Save
In current battery module assembling process, it is necessary to first pass through welding and set component is linked as into entirety with end plate；Or first pass through edge rolling work
Skill rolls out the step for reel, optimizes the assembly technology flow of battery modules, and then improve the efficiency of assembling of battery modules.
A kind of specific preferred embodiment is that flexible connecting member 1 can be manufactured by way of injection molded, and in flexibility
In the manufacturing process of connector 1, rigid connector 2 can be arranged in flexible connecting member 1, the two is formed a whole.
The shell of battery modules generally also includes rigid end sheet 3 and side plate 4, and need to be by certain means by rigid end sheet 3
Connected together with 4 respective part-structure of side plate.So the shape and structure in flexible installing portion 12 can be set, make its appearance
Perspective plane of the face along Z-direction is shaped as polygon, multiple planes in flexible installing portion 12 can respectively with rigid end sheet 3 and side plate
4 fittings.Specifically, it is prismatic structures that can set flexible installing portion 12, the perspective plane of its outer surface is set to be shaped as polygon.
Can be by changing the number of prism side, the shape for making polygon can be accordingly triangle, rectangle, pentagon etc., also may be used
Think irregular polygon.Because flexible installing portion 12 is prism structure, thus the flexible installing portion 12 of prism-shaped include it is more
Individual plane, one or several planes in multiple planes may be respectively used for being bonded with rigid end sheet 3 and side plate 4.Moreover, with it is firm
Property end plate 3 and side plate 4 be bonded plane be flexible installing portion 12 side.It will be apparent that when connection rigid end sheet 3 and side plate
During 4 respective part-structure, this two-part structure is overlapped in one or more planes, is relatively overlapped on a curved surface, more can
Improve the stability of connection status.
A kind of specific preferred embodiment is, the perspective plane shape of the outer surface in flexible installing portion 12 along Z-direction can be
Rectangle, i.e. flexible installing portion 12 can be straight quadrangular structure.Two adjacent planes can be with the outer surface of flexible installing portion 12
For being bonded with rigid end sheet 3 and side plate 4.
More specifically, can be by changing the mold shape of rigid connector 2, and change the shape of rigid connector 2.By
It is molded in flexible connecting member 1 and rigid connector 2 by way of being integrally machined, so, the shapes and sizes of mounting hole 121 can
Changed with the change with the structure and external surface shape of rigid connector 2.It is known that fastener typically screw thread connects
Fitting, fastener need through through hole 21 and coordinated with the counter structure of battery modules installed position, so through hole 21 can be with
For circular port.Obvious, for circular cylinder of the cylinder compared with square-outside and round-inside shape, the former non-deformability is stronger, so
It is preferred that rigid connector 2 is circular column structure.Accordingly, the mounting hole 121 in flexible installing portion 12 is circular port.
It is known that battery modules are installed to specified location, be fastener through through hole 21 and with installed position
Counter structure coordinates what is realized.Meanwhile rigid connector 2 is arranged in flexible installing portion 12, in order to prevent fastener from wearing
When crossing through hole 21 and coordinating with the counter structure of installed position, contact, and lead with flexible installing portion 12 prior to rigid connector 2
Cause flexible installing portion 12 to be squeezed and deform, thus the both ends end face of rigid connector 2 can respectively with flexible installing portion 12
Both ends end face can be concordant, make fastener through through hole 21 and when coordinating with the counter structure of installed position, can be directly
Contacted with rigid connector 2, without contacting and extruding flexible installing portion 12.
Specifically, in z-direction, one group of relative plane can be respectively the first plane 22 and on rigid connector 2
Two planes；One group of relative plane can be respectively the 3rd plane 122 and fourth plane in flexible installing portion 12.Wherein, first
Plane 22 can be concordant with the 3rd plane 122, and the second plane is accordingly concordant with fourth plane.
In order to reduce the weight of battery modules end plate as far as possible, so as to improve the packaging efficiency of battery modules.It is a kind of specific
Preferred scheme is that the material of rigid connector 2 can be aluminium.Further, in order to ensure that it is enough hard that rigid connector 2 has
Degree, the material of rigid connector 2 can be aluminium alloy.
As shown in Figure 4 and Figure 5, the application second aspect provides a kind of battery modules, and the battery modules provided include firm
Property end plate 3 and side plate 4, in addition to as above any described battery modules end plate.
Wherein, battery modules end plate and rigid end sheet 3 can be with positioned opposite, and both relative directions can be in Fig. 5
Y-direction or Y-direction opposite direction.The inner side of two rigid end sheets 3, which can abut, battery modules end plate.The He of side plate 4
Rigid end sheet 3 can be fixedly connected.Specifically, rigid end sheet 3 and side plate 4 can be a pair of metallic plates.Any one rigidity
The both ends of end plate 3 can be fixedly connected with a side plate 4 respectively by way of welding；It may also be said that any one side plate 4
Both ends be respectively fixedly connected with a rigid end sheet 3.Between battery modules end plate, rigid end sheet 3 and the three of side plate 4, pass through
The mode of cooperation or connection can form the placement space of multiple batteries.
Common, battery modules are after a period of operation, it may appear that the phenomenon of battery volume increase, make whole battery mould
Group can produce the expansive force from inside to outside on direction.Battery modules end plate is extruded by battery, can be sponged by deformation
Most expansive force, but still the expansive force for having fraction can be still applied on rigid end sheet 3.In order to alleviate remaining expansive force production
Raw negative effect, can be solved by the deformability for improving rigid end sheet 3.For in depth, it can be set on rigid end sheet 3
Bar-shaped trough 31 is put, the presence of bar-shaped trough 31 can strengthen the deformability of rigid end sheet 3 to a certain extent, prevent rigid end sheet
3 are squeezed power and are broken, and then can improve the service life of battery modules.
Specifically, bar-shaped trough 31 can be processed by milling machine on rigid end sheet 3, those skilled in the art can basis
Actual conditions determine direction, size and the number of bar-shaped trough 31.
A kind of specific preferred embodiment is can to process a plurality of bar-shaped trough 31 along the length direction of rigid end sheet 3, and appoint
Predetermined interval can be respectively provided between two bar-shaped troughs 31 for anticipating adjacent, those skilled in the art can be according to rigid end sheet 3
The width of width and bar-shaped trough 31, to determine the distance between any two adjacent bar groove 31, prevent because of two neighboring bar
Gap is likely to occur between shape groove 31 and reduces the Resisting fractre intensity of rigid end sheet 3.It should be noted that the length of rigid end sheet 3
It is X-direction in Fig. 5 to spend direction, and the width of rigid end sheet 3 and the width of bar-shaped trough 31 are the Y-direction in Fig. 5.
Further, can in battery modules end plate locating and machining groove, and the relevant position on rigid end sheet 3 be provided with
The location-plate that locating slot coordinates.As shown in figure 5, the locating slot and location-plate of multigroup mutual cooperation can be set, for making battery
Module end plate and rigid end sheet 3 in z-direction with can be with location fit in X-direction.
Specifically, as shown in fig. 6, in Figure 5 in Z-direction, can be processed respectively in the upper and lower ends end of flexible body 11
First locating slot 111 and the second locating slot 112, and the first location-plate can be formed by bending the corresponding part of rigid end sheet 3
32 and second location-plate 33, when making rigid end sheet 3 and battery modules end plate positioned opposite, the first location-plate 32 and the second location-plate
33 can coordinate with the first locating slot 111 and the grafting of the second locating slot 112 respectively, and then can make battery modules end plate and rigidity
The equal location fit in Z-direction and X-direction of end plate 3.
Further, in order to facilitate the transhipment and handling of battery modules, handling groove can be drilled out in flexible body 11
113, staff is loaded and unloaded groove 113 by grasping, or handling groove 113 can be used for matching somebody with somebody with the operating head of handling instrument
Close, complete the work such as the transhipment of battery modules.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery modules end plate, for positioned opposite with the rigid end sheet of battery modules, it is characterised in that including flexibility even
Fitting and rigid connector, and the flexible connecting member is molded with the rigid connector by way of being integrally machined；Wherein：
The flexible connecting member includes flexible body and flexible installing portion, and the flexible installing portion has mounting hole, and described firm
Property connector is arranged in the mounting hole；
The rigid connector has the through hole that the short transverse along the battery modules extends, and the through hole is used for and fastener
Coordinate to install the battery modules.
2. battery modules end plate according to claim 1, it is characterised in that the flexible connecting member and described be rigidly connected
Part is molded by way of integrated injection molding.
3. battery modules end plate according to claim 1, it is characterised in that the outer surface in the flexible installing portion is described
Perspective plane in short transverse is shaped as polygon, and the outer surface includes multiple planes, multiple planes be respectively used to
The side plate of the battery modules and rigid end sheet fitting.
4. battery modules end plate according to claim 3, it is characterised in that the polygon is rectangle, and the appearance
Two adjacent planes are bonded with the side plate and the rigid end sheet respectively in face.
5. battery modules end plate according to claim 4, it is characterised in that the rigid connector is circular cylinder knot
Structure, the mounting hole are circular port.
6. battery modules end plate according to claim 1, it is characterised in that in the short transverse, the rigidity connects
Fitting includes relative the first plane and the second plane, and the flexible installing portion includes relative the 3rd plane and fourth plane；
First plane is concordant with the 3rd plane, and second plane is concordant with the fourth plane.
7. battery modules end plate according to claim 1, it is characterised in that the material of the rigid connector is aluminium.
8. a kind of battery modules, including rigid end sheet and side plate, it is characterised in that also include as any one in claim 1-7
Battery modules end plate described in；Wherein：
The battery modules end plate and the rigid end sheet are positioned opposite；The side plate is fixedly connected with the rigid end sheet.
9. battery modules according to claim 8, it is characterised in that be provided with bar on the rigid end sheet of the battery modules
Shape groove.
10. battery modules according to claim 9, it is characterised in that set along its length on the rigid end sheet
There is a plurality of bar-shaped trough, and there is predetermined interval between two bar-shaped troughs of arbitrary neighborhood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720608321.9U CN206727139U (en) | 2017-05-27 | 2017-05-27 | Battery modules end plate and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720608321.9U CN206727139U (en) | 2017-05-27 | 2017-05-27 | Battery modules end plate and battery modules |
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| Publication Number | Publication Date |
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| CN206727139U true CN206727139U (en) | 2017-12-08 |
Family
ID=60511798
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| CN201720608321.9U Active CN206727139U (en) | 2017-05-27 | 2017-05-27 | Battery modules end plate and battery modules |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3506389A1 (en) * | 2017-12-29 | 2019-07-03 | Contemporary Amperex Technology Co., Limited | Composite end plate and battery module |
| EP3506388A1 (en) * | 2017-12-29 | 2019-07-03 | Contemporary Amperex Technology Co., Limited | Composite end plate and battery module |
| WO2019128640A1 (en) * | 2017-12-29 | 2019-07-04 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
| CN109994670A (en) * | 2017-12-29 | 2019-07-09 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
| CN109994665A (en) * | 2017-12-29 | 2019-07-09 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
| CN110323372A (en) * | 2018-03-29 | 2019-10-11 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
| CN112036029A (en) * | 2020-05-22 | 2020-12-04 | 江西星盈科技有限公司 | Simulation method for expansion deformation of battery pack module |
| CN112673517A (en) * | 2018-09-14 | 2021-04-16 | 三洋电机株式会社 | Battery system, vehicle with battery system, and power storage device |
| WO2023134033A1 (en) * | 2022-01-14 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | Battery, power consuming device, and battery manufacturing apparatus |
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| US10840485B2 (en) | 2017-12-29 | 2020-11-17 | Contemporary Amperex Technology Co., Limited | Composite end plate and battery module |
| CN109994670A (en) * | 2017-12-29 | 2019-07-09 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
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| WO2019128640A1 (en) * | 2017-12-29 | 2019-07-04 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
| EP3506388A1 (en) * | 2017-12-29 | 2019-07-03 | Contemporary Amperex Technology Co., Limited | Composite end plate and battery module |
| CN109994666A (en) * | 2017-12-29 | 2019-07-09 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
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| US10833303B2 (en) | 2018-03-29 | 2020-11-10 | Contemporary Amperex Technology Co., Limited | Composite end plate and battery module |
| CN110323372A (en) * | 2018-03-29 | 2019-10-11 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
| CN112673517A (en) * | 2018-09-14 | 2021-04-16 | 三洋电机株式会社 | Battery system, vehicle with battery system, and power storage device |
| CN112673517B (en) * | 2018-09-14 | 2022-11-04 | 三洋电机株式会社 | Battery system, vehicle with battery system, and power storage device |
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| CN112036029A (en) * | 2020-05-22 | 2020-12-04 | 江西星盈科技有限公司 | Simulation method for expansion deformation of battery pack module |
| WO2023134033A1 (en) * | 2022-01-14 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | Battery, power consuming device, and battery manufacturing apparatus |
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