CN214378624U - Battery connection piece mounting structure, battery module and battery - Google Patents
Battery connection piece mounting structure, battery module and battery Download PDFInfo
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- CN214378624U CN214378624U CN202120663215.7U CN202120663215U CN214378624U CN 214378624 U CN214378624 U CN 214378624U CN 202120663215 U CN202120663215 U CN 202120663215U CN 214378624 U CN214378624 U CN 214378624U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a lithium cell technical field provides a battery connection piece mounting structure, battery module and battery. Battery connection piece mounting structure include the casing and with the battery connection piece that the casing is connected, the battery connection piece is located in the casing, on the inner wall of casing with the junction of battery connection piece be on plane, the outer wall with be provided with the recess in the region that the battery connection piece is relative, the recess can be used for right the casing with the battery connection piece welds. Battery module, be provided with foretell battery connection piece mounting structure and be located electric core utmost point group in the casing, the battery connection piece is kept away from one side of casing with electric core utmost point group link. The utility model discloses a battery connection piece mounting structure can realize the effective increase of the area of overflowing of electric core, satisfies the high rate of electric core and overflows the requirement.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a battery connection piece mounting structure. The utility model discloses still relate to battery module and battery including this battery connection piece mounting structure.
Background
With the increasing maturity of lithium ion battery technology, lithium ion batteries are widely used in the field of electric vehicles as power batteries. Lithium ion battery generally includes the casing, rolls up core and apron, rolls up the core and includes positive plate, diaphragm, negative pole piece, keeps apart positive plate and negative pole piece through the diaphragm, rolls up the core and often adopts and carry out the transmission of electric current at its inside welding sheetmetal, because the influence of coiling technology, welded sheetmetal is comparatively weak, and then leads to the ability of overflowing not enough, and this is the important reason that the heat production of electric core charge-discharge is big.
In the cylinder battery field, casing and apron are the important unit that electric core charge-discharge multiplying power supported, and the sheetmetal that the core carried out the electricity and connects includes anodal connection piece and negative pole connection piece usually, and wherein, anodal connection piece passes through laser welding and is connected with the apron, and the negative pole connection piece passes through resistance welding and is connected with the casing. Limited by the winding process of the cylindrical battery cell pole group, the width dimensions of the metal connecting sheet and the corresponding shell cannot meet the high-rate overcurrent requirement of the battery cell. If the widths of the metal connecting sheet and the shell are increased, the thickness of the metal connecting sheet and the shell needs to be increased correspondingly in order to ensure the structural strength of the metal connecting sheet and the shell, and the increase of the thickness can cause the welding of the metal connecting sheet and the shell to be blocked, so that the connection stability of the metal connecting sheet and the shell is affected.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a battery connection piece mounting structure to realize the effective increase of the area of overflowing of electric core, satisfy the high rate of electric core and overflow the requirement.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a battery connection piece mounting structure, battery connection piece mounting structure include the casing and with the battery connection piece that the casing is connected, the battery connection piece is located in the casing, on the inner wall of casing with the junction of battery connection piece be on the plane, the outer wall with be provided with the recess in the region that the battery connection piece is relative, the recess can be used for right the casing with the battery connection piece welds.
Furthermore, a boss is arranged on one side, facing the shell, of the battery connecting sheet, and the boss corresponds to the groove in position.
Furthermore, the area of the boss corresponding to the shell can cover the area of the groove on the shell.
Further, the battery connecting sheet is connected with the inner side of the bottom plate of the shell, and the groove is located in the central area of the outer side of the bottom plate.
Furthermore, the thickness of the bottom plate is 0.3-0.8mm, and the thickness of the area of the bottom plate where the groove is located is 0.1-0.5 mm.
Compared with the prior art, battery connection piece mounting structure have following advantage:
(1) battery connection piece mounting structure, set up the junction with the battery connection piece on the inner wall of casing into the plane, set up the recess in the relative regional with the battery connection piece on the outer wall, make the regional casing lateral wall thickness attenuation outside for the recess at recess place, in order to utilize the welding mode to be connected battery connection piece and casing in the outside groove of casing, thereby under the condition of the width size and the thickness of increase battery connection piece and casing, can carry out effectual welded connection to battery connection piece and casing in the groove, and then realize the effective increase of the area of overflowing of electric core, satisfy the high multiplying power of electric core and overflow the requirement.
(2) In the battery connecting sheet mounting structure of the utility model, the battery connecting sheet is provided with a boss towards one side of the shell and matched with the groove on the shell so as to further improve the operation stability of welding at the groove and ensure that the connecting effect of the shell and the battery connecting sheet is more stable; when the battery connecting sheet is connected with the bottom plate, the thickness of the area where the groove is located and the thickness of the area outside the groove meet certain requirements, so that the stability of the shell and the battery module structure can be guaranteed on the basis of achieving a good welding effect.
A second object of the utility model is to provide a battery module to realize the effective increase of the area of overflowing of electric core, satisfy the high rate of electric core and overflow the requirement.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a battery module is provided with the battery connecting sheet mounting structure and an electric core pole group positioned in a shell, wherein one side, far away from the shell, of the battery connecting sheet is connected with the electric core pole group.
Furthermore, the shell is in an opening shape, and a cover plate assembly connected with the shell is arranged on one side, opposite to the battery connecting sheet, of the shell.
Further, the battery connection piece is the negative pole connection piece, the apron subassembly includes anodal connection piece, switching piece and base plate, the top inboard of casing is provided with and surrounds the peripheral annular cell body of base plate, one side of anodal connection piece with the utmost point group link of electric core, opposite side with the switching piece is connected, the switching piece is kept away from one side periphery of anodal connection piece with the base plate is connected, the utmost point group of electric core is close to one side of switching piece is provided with insulating gasket.
Further, a sealing ring is arranged between the base plate and the inner wall of the annular groove body, the periphery of the base plate is suitable for being extruded by the sealing ring, a through hole penetrating through the base plate is formed in the base plate, an explosion-proof film is arranged at one end, close to the adapter piece, of the through hole, and a patch is pasted at one end, far away from the adapter piece, of the through hole.
Compared with the prior art, the battery module and the battery connecting sheet mounting structure have the same advantages, and are not described in detail herein.
The utility model discloses a third aim at provides a battery to realize the effective increase of the area of overflowing of electric core, satisfy the high rate of electric core and overflow the requirement.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a battery is provided with the battery module of any one of the above technical schemes.
The battery and the battery connecting piece mounting structure have the same advantages compared with the prior art, and the description is omitted.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a specific embodiment of a battery module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a specific embodiment of the groove and the boss according to an embodiment of the present invention.
Description of reference numerals:
1 housing 11 groove
12 bottom plate 2 battery connection piece
21 boss 3 electric core pole group
4 positive connecting sheet of cover plate component 41
42 interposer 43 substrate
44 explosion-proof membrane 45 patch
46 insulating gasket 5 sealing ring
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
In addition, the terms "inside", "outside", "top", "bottom", and the like referred to in the embodiments of the present invention indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and based on the battery case 1, "top" refers to the top of the case 1, and correspondingly, "bottom" refers to the bottom of the case 1, "inside" refers to the inside of the case 1, and "outside" refers to the outside of the case 1. The terminology is based on the orientations and positional relationships illustrated in the drawings and is not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.
It is to be understood that, unless expressly stated or limited otherwise, the terms "connected," "mounted," and "contacting" are intended to be open-ended, i.e., connected as either a fixed or removable connection or an integral connection; the components may be directly connected or indirectly connected through an intermediate medium, or the components may be connected through an intermediate medium or the components may be in an interactive relationship with each other. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
The utility model discloses battery connection piece mounting structure that first aspect provided, refer to fig. 1, including casing 1 and the battery connection piece 2 of being connected with casing 1, battery connection piece 2 is located casing 1, is provided with recess 11 for being provided with in the region relative with battery connection piece 2 on plane, the outer wall with battery connection piece 2's junction on casing 1's the inner wall, and recess 11 can be used for welding casing 1 and battery connection piece 2.
In the utility model, the battery connecting sheet 2 can be suitable for the cylindrical shell 1 and can also be suitable for the shell 1 with other shapes or structures; the battery connecting piece 2 may be used as a connecting piece for the positive electrode or as a connecting piece for the negative electrode, and is generally used as a connecting piece for the negative electrode connected to the bottom plate 12 of the case 1; the battery connecting piece 2 is connected to the inner wall of the case 1 by welding, for example, laser welding.
The battery connection piece mounting structure that above-mentioned basic scheme provided, the assembling process is: the battery connecting piece 2 is placed in the position, opposite to the groove 11, in the shell 1, laser welding or other welding modes are carried out from the groove 11 on the outer side of the shell 1, and the shell 1 is fixedly connected with the battery connecting piece 2. The connection part of the inner wall of the shell 1 and the battery connecting sheet 2 is set to be a plane, the groove 11 is arranged in the region of the outer wall opposite to the battery connecting sheet 2, the thickness of the region where the groove 11 is located is thinner than that of the side wall of the shell 1 except the groove 11, the battery connecting sheet 2 and the shell 1 can be connected at the groove 11 on the outer side of the shell 1 in a welding mode, and therefore the battery connecting sheet 2 and the shell 1 can be effectively and stably welded and connected at the groove 11 under the condition that the width size and the thickness of the battery connecting sheet 2 and the shell 1 are increased.
The utility model discloses in, battery connection piece 2 can set up to conventional structural style and thickness, and wherein one side is connected with casing 1, the opposite side is connected with the electric core (be electric core utmost point group 3 hereafter for) of installing in casing 1. As a preferred embodiment of the battery connecting piece 2 of the present invention, referring to fig. 2, one side of the battery connecting piece 2 facing the housing 1 is provided with a boss 21, and the boss 21 corresponds to the position of the groove 11. Under the condition of increasing the width dimension of the battery connecting piece 2, the arrangement of the boss 21 not only can ensure the structural strength of the battery connecting piece 2, but also can be matched with the groove 11 on the shell 1, so that the operation stability of welding at the groove 11 is further improved, and the connecting effect of the shell 1 and the battery connecting piece 2 is more stable.
The utility model discloses in, boss 21 specifically can overlap for the boss 21 and the relative regional part of recess 11 on casing 1 with the corresponding position of recess 11, perhaps boss 21 is located the region that recess 11 corresponds, and the region at recess 11 place covers boss 21 and the corresponding region of casing 1 completely promptly on casing 1. Preferably, the area of the boss 21 corresponding to the housing 1 can cover the area of the groove 11 on the housing 1, so that when welding is performed on the groove 11 outside the housing 1, the effectiveness of the welding operation is improved as much as possible, the welding efficiency is high, and the connection effect between the housing 1 and the battery connecting sheet 2 is good.
The battery connecting piece 2 can be connected with the bottom, the side or the top of the inner wall of the shell 1, and can be correspondingly arranged according to the structural design of the battery module and the battery connecting piece 2 as a connecting piece of a positive pole or a negative pole. As a preferred embodiment of the battery tab mounting structure, referring to fig. 1, the battery tab 2 is connected to the inside of the bottom plate 12 of the case 1, and the groove 11 is located in the central region of the outside of the bottom plate 12. The groove 11 is arranged in the central area of the bottom plate 12, so that the joint of the battery connecting piece 2 and the bottom plate 12 is also positioned in the central area of the two, and the connecting structure is more stable.
In order to ensure the stability of the housing 1 and the battery module structure on the basis of realizing a better welding effect, the thickness of the region where the groove 11 is located on the bottom plate 12 and the thickness of the region outside the groove 11 should meet certain requirements. It is further preferred that the thickness of the base plate 12 (i.e., the thickness of the region of the base plate 12 other than the groove 11) is 0.3 to 0.8mm, and the thickness of the region of the base plate 12 where the groove 11 is located is 0.1 to 0.5 mm.
The utility model discloses on the basis of foretell battery connection piece mounting structure, the utility model discloses the second aspect provides a battery module, is provided with foretell battery connection piece mounting structure and is located the electric core utmost point group 3 of casing 1, and one side that casing 1 was kept away from to battery connection piece 2 is connected with electric core utmost point group 3. After installing battery connection piece 2 and casing 1, be connected electric core utmost point group 3 and battery connection piece 2 to realize the equipment of battery module.
In order to facilitate the installation of the battery connecting sheet 2, the battery cell pole group 3 and other components of the battery module, the shell 1 is in an open shape, and one side of the shell 1 opposite to the battery connecting sheet 2 is provided with a cover plate assembly 4 connected with the shell 1.
The utility model discloses in, apron subassembly 4 can set up to conventional structure to can install with 1 phase-match of casing, realize with components such as electric core utmost point group 3, battery connection piece 2 encapsulate in casing 1 can. Preferably, the battery connecting piece 2 is used as a negative connecting piece, the cover plate assembly 4 comprises a positive connecting piece 41, an adapter piece 42 and a substrate 43, an annular groove body capable of surrounding the periphery of the substrate 43 is arranged on the inner side of the top of the shell 1, one side of the positive connecting piece 41 is connected with the battery cell pole group 3, the other side of the positive connecting piece 41 is connected with the adapter piece 42 to play a role in connection, the periphery of one side, far away from the positive connecting piece 41, of the adapter piece 42 is connected with the substrate 43, and an insulating gasket 46 is arranged on one side, close to the adapter piece 42, of the battery cell pole group 3. At this time, the battery tab 2 is generally configured to be coupled to the bottom plate 12 of the housing 1, and the cover plate assembly 4 is coupled to the top of the housing 1; the substrate 43 has conductivity, and may be made of a metal plate, specifically, an aluminum substrate; the inner side of the top of the shell 1 adopts a binding process to form an annular groove body matched with the substrate 43, and the substrate 43 is inserted in the annular groove body to realize the sealing of the interior of the shell 1; the adapter sheet 42 is welded to the positive electrode connecting sheet 41 and the base plate 43, respectively, to realize the function of adapting current.
Further preferably, a sealing ring 5 is arranged between the base plate 43 and the inner wall of the annular groove body, the peripheral edge of the base plate 43 is suitable for extruding the sealing ring 5, a through hole penetrating through the base plate 43 is arranged on the base plate 43, an explosion-proof film 44 is arranged at one end of the through hole close to the adapter sheet 42, and a patch 45 is attached to one end of the through hole far away from the adapter sheet 42. The through holes on the substrate 43 are respectively provided with mounting grooves corresponding to the rupture membrane 44 and the patch 45, so that the rupture membrane 44 and the patch 45 can be fixedly mounted, and the rupture membrane 44 and the patch 45 can be positioned on the same plane with the surface of the substrate 43 after being mounted. The sealing performance in the shell 1 can be improved by arranging the sealing ring 5, and the patch 45 can be a PET patch, a PE patch, a PP patch, a PI patch or a PVC patch; the patch 45 protects the rupture disk 44 from mechanical damage; the explosion-proof film 44 plays a role of safety pressure relief, and prevents the inside of the battery cell from exploding due to overlarge air pressure.
As a relatively preferred embodiment of the battery module in the present invention, the battery module comprises a battery connecting sheet mounting structure and a cell electrode group 3, the battery connecting sheet mounting structure comprises a casing 1 and a battery connecting sheet 2 connected with the casing 1, the casing 1 is in an open shape, one side of the casing 1 opposite to the battery connecting sheet 2 is provided with a cover plate assembly 4 connected with the casing 1, the battery connecting sheet 2 is located in the casing 1, one side of the battery connecting sheet 2 is connected with the inner side of a bottom plate 12 of the casing 1, the other side is connected with the cell electrode group 3, the inner side of the bottom plate 12 is a plane, the central area of the outer side is provided with a groove 11, one side of the battery connecting sheet 2 facing the bottom plate 12 is provided with a boss 21, the boss 21 corresponds to the position of the groove 11, the area where the groove 11 is located on the bottom plate 12 can be covered by the boss 21 corresponding to the bottom plate 12, the thickness of the bottom plate 12 is 0.6mm, the thickness of the area of the groove 11 on the bottom plate 12 is 0.3 mm; battery connection piece 2 is the negative pole connection piece, apron subassembly 4 includes anodal connection piece 41, switching piece 42 and base plate 43, the top inboard of casing 1 is provided with the peripheral annular cell body that can surround base plate 43, be provided with sealing washer 5 between the inner wall of base plate 43 and annular cell body, base plate 43's border all around is suitable for extrusion sealing washer 5, one side and electric core utmost point of anodal connection piece 41 are organized 3 and are connected, the opposite side is connected with switching piece 42, switching piece 42 keeps away from anodal connection piece 41 one side periphery and base plate 43 and is connected, electric core utmost point is organized 3 and is provided with insulating gasket 46 near switching piece 42 one side, be provided with the through-hole that runs through this base plate 43 on the base plate 43, the one end that the through-hole is close to switching piece 42 is provided with rupture membrane 44, the one end subsides of keeping away from switching piece 42 have paster 45.
The battery module that the above-mentioned embodiment provided, the assembly process is: placing the battery connecting piece 2 on a bottom plate 12 of the shell 1 at a position opposite to the groove 11, performing laser welding on the outer side of the bottom plate 12 from the groove 11, and fixedly connecting the bottom plate 12 with a boss 21 of the battery connecting piece 2; and then welding the battery core electrode group 3 and one side of the battery connecting sheet 2 far away from the bottom plate 12, welding one side of the positive electrode connecting sheet 41 and one end of the battery core electrode group 3 far away from the battery connecting sheet 2, welding the other side of the positive electrode connecting sheet 41 and the adapter sheet 42, welding one side of the adapter sheet 42 far away from the positive electrode connecting sheet 41 and the base plate 43, and finally extruding the sealing ring 5 along the periphery of the base plate 43 and installing the periphery of the base plate 43 in the annular groove body of the shell 1 so as to complete the assembly of the battery module.
In the utility model discloses on the basis of foretell battery module, the utility model discloses the third aspect provides a battery, is provided with an arbitrary technical scheme of above-mentioned battery module. Therefore, the battery tab mounting structure has at least all the advantages brought by the technical scheme of the battery module embodiment.
As can be seen from the above description, battery connection piece mounting structure, set up the junction with battery connection piece 2 on casing 1's the inner wall to the plane, set up recess 11 in the region relative with battery connection piece 2 on the outer wall, make the regional casing 1 lateral wall thickness attenuation outside recess 11 that recess 11 is located, with can utilize the welding mode to be connected battery connection piece 2 and casing 1 in casing 1's outside recess 11 department, thereby under the condition of the width size and the thickness of increase battery connection piece 2 and casing 1, can carry out effectual welded connection to battery connection piece 2 and casing 1 in recess 11 department, and then realize the effective increase of the area of overflowing of electric core, satisfy the high rate of electric core and overflow the requirement.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a battery connection piece mounting structure, characterized in that, battery connection piece mounting structure include casing (1) and with battery connection piece (2) that casing (1) is connected, battery connection piece (2) are located in casing (1), on the inner wall of casing (1) with the junction of battery connection piece (2) be on plane, outer wall with be provided with recess (11) in the region relative with battery connection piece (2), recess (11) can be used for right casing (1) with battery connection piece (2) weld.
2. The battery tab mounting structure according to claim 1, wherein a side of the battery tab (2) facing the case (1) is provided with a boss (21), the boss (21) corresponding to a position of the groove (11).
3. The battery tab mounting structure according to claim 2, wherein an area of the boss (21) corresponding to the housing (1) can cover an area of the groove (11) on the housing (1).
4. The battery tab mounting structure according to any one of claims 1 to 3, wherein the battery tab (2) is connected to an inside of a bottom plate (12) of the case (1), and the groove (11) is located in a central region of an outside of the bottom plate (12).
5. The battery tab mounting structure according to claim 4, wherein the thickness of the bottom plate (12) is 0.3 to 0.8mm, and the thickness of the bottom plate (12) in the region where the groove (11) is located is 0.1 to 0.5 mm.
6. A battery module, characterized in that, the battery connecting sheet mounting structure of any one of claims 1 to 5 and a cell pole group (3) located in the casing (1) are provided, and one side of the battery connecting sheet (2) far away from the casing (1) is connected with the cell pole group (3).
7. The battery module according to claim 6, wherein the housing (1) is open-ended, and a cover plate assembly (4) connected to the housing (1) is provided on the side of the housing (1) opposite to the battery connecting plate (2).
8. The battery module according to claim 7, wherein the battery connecting piece (2) is a negative connecting piece, the cover plate assembly (4) comprises a positive connecting piece (41), an adapter piece (42) and a base plate (43), an annular groove body capable of wrapping the periphery of the base plate (43) is arranged on the inner side of the top of the shell (1), one side of the positive connecting piece (41) is connected with the battery cell pole group (3), the other side of the positive connecting piece is connected with the adapter piece (42), the periphery of one side, away from the positive connecting piece (41), of the adapter piece (42) is connected with the base plate (43), and an insulating gasket (46) is arranged on one side, close to the adapter piece (42), of the battery cell pole group (3).
9. The battery module according to claim 8, wherein a sealing ring (5) is arranged between the base plate (43) and the inner wall of the annular groove body, the peripheral edge of the base plate (43) is suitable for extruding the sealing ring (5), a through hole penetrating through the base plate (43) is formed in the base plate (43), an explosion-proof membrane (44) is arranged at one end, close to the adapter sheet (42), of the through hole, and a patch (45) is attached to one end, far away from the adapter sheet (42).
10. A battery provided with the battery module according to any one of claims 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120663215.7U CN214378624U (en) | 2021-03-31 | 2021-03-31 | Battery connection piece mounting structure, battery module and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120663215.7U CN214378624U (en) | 2021-03-31 | 2021-03-31 | Battery connection piece mounting structure, battery module and battery |
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| Publication Number | Publication Date |
|---|---|
| CN214378624U true CN214378624U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120663215.7U Active CN214378624U (en) | 2021-03-31 | 2021-03-31 | Battery connection piece mounting structure, battery module and battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115051085A (en) * | 2022-06-30 | 2022-09-13 | 东莞新能安科技有限公司 | Battery, manufacturing method thereof, battery module and electric equipment |
| CN115332693A (en) * | 2022-10-14 | 2022-11-11 | 宁德新能源科技有限公司 | Secondary battery and electronic device |
-
2021
- 2021-03-31 CN CN202120663215.7U patent/CN214378624U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115051085A (en) * | 2022-06-30 | 2022-09-13 | 东莞新能安科技有限公司 | Battery, manufacturing method thereof, battery module and electric equipment |
| CN115051085B (en) * | 2022-06-30 | 2024-04-02 | 东莞新能安科技有限公司 | Battery, manufacturing method thereof, battery module and electric equipment |
| CN115332693A (en) * | 2022-10-14 | 2022-11-11 | 宁德新能源科技有限公司 | Secondary battery and electronic device |
| WO2024078623A1 (en) * | 2022-10-14 | 2024-04-18 | 宁德新能源科技有限公司 | Secondary battery and electronic device |
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