CN208507800U - Secondary cell and its connection component - Google Patents
Secondary cell and its connection component Download PDFInfo
- Publication number
- CN208507800U CN208507800U CN201820817546.XU CN201820817546U CN208507800U CN 208507800 U CN208507800 U CN 208507800U CN 201820817546 U CN201820817546 U CN 201820817546U CN 208507800 U CN208507800 U CN 208507800U
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- Prior art keywords
- connecting portion
- area
- connection component
- transversely
- interconnecting piece
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a kind of secondary cell and its connection component.Secondary cell includes electrode assembly, cap assembly and connection component.Connection component includes connection sheet and insulator.Connection sheet is for tabular and including first connecting portion, second connecting portion and third interconnecting piece；Second connecting portion extends outwardly from the end of first connecting portion transversely；Third interconnecting piece is connected with the outer end of second connecting portion transversely；Second connecting portion is equipped with fuse area, and insulator at least coats the fuse area of second connecting portion.Cap assembly includes first electrode terminal, and first electrode terminal is connected to the first connecting portion of connection sheet.Electrode assembly includes main body and the first tab stretched out from main body, and main body is located at the downside of connection component, and the first tab is connected to third interconnecting piece.
Description
Technical field
The utility model relates to field of batteries more particularly to a kind of secondary cells and its connection component.
Background technique
Secondary cell generally includes electrode assembly, accommodates the shell of electrode assembly and is fixed on the cap assembly of shell,
The lamina tecti of cap assembly is by housing seal.Cap assembly further includes the electrode terminal for protruding from lamina tecti, for setting with outside
Standby electrical connection.In order to realize the charge and discharge of electrode assembly, electrode terminal then needs to penetrate through lamina tecti and extend to the inside of shell,
And it is electrically connected by connection sheet with the tab of electrode assembly.In order to improve the security performance of secondary cell, usual shape in connection sheet
At there is fuse area, when overcharge occurs in secondary cell, fuse area fuses to cut off circuit.But the assembly of secondary cell
Cheng Zhong, the tab of electrode assembly are easy to cross fuse area, so as to cause fuse area failure, cause security risk.
Utility model content
In view of the problems in the background art, the purpose of this utility model is to provide a kind of secondary cell and its connections
Component, the low requirement to polar ear size and assembly precision of energy, avoids fuse function from failing, and improves security performance.
To achieve the goals above, the utility model provides a kind of secondary cell, including electrode assembly, cap assembly and
Connection component.Connection component includes connection sheet and insulator.Connection sheet is for tabular and including first connecting portion, second connecting portion
And third interconnecting piece；Second connecting portion extends outwardly from the end of first connecting portion transversely；Third interconnecting piece and second connects
The outer end of socket part transversely is connected；Second connecting portion is equipped with fuse area, and insulator at least coats the fuse area of second connecting portion.
Cap assembly includes first electrode terminal, and first electrode terminal is connected to the first connecting portion of connection sheet.Electrode assembly includes
Main body and the first tab stretched out from main body, main body are located at the downside of connection component, and the first tab is connected to third connection
Portion.
First connecting portion includes the first body region and the first protrusion area, and the both ends of the first body region transversely are respectively with second
Interconnecting piece is connected, and the first protrusion area extends outwardly from the one end of the first body region along longitudinal direction.Third interconnecting piece includes third main body
Area and third protrude area, and third body region is connected with the outer end of second connecting portion transversely, and third protrudes area from third body region
One end along longitudinal direction extends outwardly.Preferably, in the longitudinal direction, it is opposite to be located at second connecting portion for the first protrusion area and third protrusion area
Two sides.
Second connecting portion is two and is located at the two sides of first connecting portion transversely, and is all provided in each second connecting portion
There is fuse area；Third interconnecting piece is two and is connected respectively with two second connecting portions.Gap between two third interconnecting pieces
Greater than the width of first connecting portion transversely.
Second connecting portion is equipped with through-hole, and the size of through-hole along longitudinal direction is greater than its size transversely.Insulator has base
Portion and extension, base portion are looped around fuse area periphery, and extension is connected to base portion and is inserted into through-hole.
The connection component further includes insulating trip, and insulating trip is set to a surface of first connecting portion and at least covers institute
The both ends of surface transversely are stated, and insulating trip also extends into the surface of the non-insulated body cladding of second connecting portion.
First tab includes bonding pad and bent area, and third interconnecting piece is fixed in bonding pad, and bent area is located at bonding pad
Downside simultaneously connects main body and bonding pad.
The beneficial effects of the utility model are as follows: since third interconnecting piece is connected with the outer end of second connecting portion transversely,
So first tab is along longitudinal direction even if the length of the first tab in the longitudinal direction is (or deviation occurs in positioning in assembly) bigger than normal
Free end will not cross fuse area, will not more be overlapped on first connecting portion.In addition, due to insulator cladding second connecting portion
Fuse area, so even if the width of the first tab horizontally (or deviation occurs in positioning in assembly) bigger than normal and leads to the first pole
Fuse area is crossed in the free end of ear transversely, and insulator can also strut the first tab, and the first tab is avoided to be overlapped on first
Interconnecting piece.Simultaneously as the fuse area of insulator cladding second connecting portion, it is possible to increase the intensity of fuse area, the company of avoiding
Contact pin fracture when being vibrated.In short, the connection component of the application can be reduced to the first polar ear size and assembly precision
It is required that the fuse function of connection sheet is avoided to fail, the security performance of secondary cell is improved.
Detailed description of the invention
Fig. 1 is the exploded view according to the secondary cell of the utility model.
Fig. 2 is the schematic diagram according to the secondary cell of the utility model in forming process.
Fig. 3 is the exploded view of Fig. 2.
Fig. 4 is the top view according to one embodiment of connection component of the utility model.
Fig. 5 is the cross-sectional view that A-A makes along Fig. 4.
Fig. 6 is the exploded view of the connection component of Fig. 4.
Fig. 7 is the schematic diagram according to an embodiment of the connection sheet of the connection component of the utility model.
Fig. 8 is the schematic diagram according to another embodiment of the connection sheet of the connection component of the utility model.
Wherein, the reference numerals are as follows:
1 connection component, 21 main body
11 connection sheet, 22 first tab
111 first connecting portion, 221 bonding pad
1111 first body region, 222 bent area
1112 first protrusion 23 second tabs of area
112 second connecting portion, 3 cap assembly
1121 fuse area, 31 first electrode terminal
1122 through-hole, 32 second electrode terminal
113 third interconnecting piece, 33 lamina tecti
1131 third body region, 4 shell
1132 thirds protrude area N indentation
12 insulator G notches
121 base portion X are lateral
122 extension Y are longitudinal
13 insulating trip Z up and down directions
2 electrode assemblies
Specific embodiment
It is described in detail the secondary cell and its connection component of the utility model with reference to the accompanying drawings.
Referring to Fig.1, the secondary cell of the utility model includes connection component 1, electrode assembly 2, cap assembly 3 and shell 4.
Shell 4 can have hexahedral shape or other shapes.Accommodating chamber is formed inside shell 4, with 2 He of accommodate electrod component
Electrolyte.Shell 4 forms opening at one end, and electrode assembly 2 can be placed into the accommodating chamber of shell 4 via described be open.Shell 4
It can be made, can also be made of insulating materials such as plastic cement of the material of the conductive metals such as aluminum or aluminum alloy.
Electrode assembly 2 includes main body 21 and the first tab 22 and the second tab 23 that stretch out from main body 21.Main body 21
Including positive plate, negative electrode tab and diaphragm, diaphragm is set between positive plate and negative electrode tab.Positive plate, diaphragm and negative electrode tab can be with
Sequence stacks and is wound as jelly web-like, to form the main body 21 of electrode assembly 2.
Positive plate includes plus plate current-collecting body (such as aluminium foil) and the positive electrode active materials coated on plus plate current-collecting body surface
(such as cobalt acid lithium), negative electrode tab include negative current collector (such as copper foil) and the negative electrode active coated on negative current collector surface
Material (such as silicon).The edge of plus plate current-collecting body can have the blank area not covered by positive electrode active materials, the first tab 22
It can directly be formed by cutting the blank area of plus plate current-collecting body；Accordingly, the second tab 23 can be directly by cutting negative pole currect collecting
The blank area of body forms.Alternatively, of course, the first tab 22 can be formed directly by cutting the blank area of negative current collector；
Accordingly, the second tab 23 can be formed directly by cutting the blank area of plus plate current-collecting body.
Cap assembly 3 includes lamina tecti 33 and the first electrode terminal 31 and second electrode terminal that are set to lamina tecti 33
32.Lamina tecti 33 seals the opening of shell 4.First electrode terminal 31 may pass through lamina tecti 33 and be electrically connected to the first tab
22, second electrode terminal 32 may pass through lamina tecti 33 and be electrically connected to the second tab 23.
Referring to figs. 1 to Fig. 4, connection component 1 includes connection sheet 11 and insulator 12.Connection sheet 11 is tabular and including the
One interconnecting piece 111, second connecting portion 112 and third interconnecting piece 113.Second connecting portion 112 from first connecting portion 111 transversely
The end of X extends outwardly, and (on the basis of first connecting portion 111, second connecting portion 112 " extending outwardly " refers to second connecting portion
112 to first connecting portion 111 transversely X outside extend, that is, transversely X extend).Third interconnecting piece 113 and second connects
Socket part 112 transversely X outer end be connected.Second connecting portion 112 is equipped with fuse area 1121, and insulator 12 at least coats the second company
The fuse area 1121 of socket part 112.
Electrode assembly 2 can realize charge and discharge via first electrode terminal 31 and second electrode terminal 32.When secondary cell goes out
When existing overcharge, the electric current inside secondary cell increases；And fuse area 1121 can fuse under the action of the electric current of increase, thus
Being electrically connected for the first tab 22 and first electrode terminal 31 is disconnected, charge circuit is cut off, prevents from causing safety accident.
Referring to Fig. 2, for the ease of assembling and improving the conveyance capacity of the first tab 22, so the first tab 22 usually needs
There is biggish width and length.Since the outer end of third interconnecting piece 113 and second connecting portion 112 transversely X are connected, institute
With even if the first tab 22 is (or deviation occurs in positioning in assembly) bigger than normal in the length on longitudinal Y, the first tab 22 is along longitudinal direction
The free end of Y will not cross fuse area 1121, will not more be overlapped on first connecting portion 111.In addition, since insulator 12 coats
The fuse area 1121 of second connecting portion 112, so even if the first tab 22 is bigger than normal (or fixed in assembly in the width on lateral X
There is deviation in position) and the free end of the first tab 22 transversely X is caused to cross fuse area 1121, insulator 12 also can be by the
One tab 22 struts (on the basis of the orientation of Fig. 2) upwards, and the first tab 22 is avoided to be overlapped on first connecting portion 111 downwards.Together
When, since insulator 12 coats the fuse area 1121 of second connecting portion 112, it is possible to which the intensity for increasing fuse area 1121 is kept away
Exempt from the fracture when being vibrated of connection sheet 11.In short, the connection component 1 of the application can reduce to 22 size of the first tab and
The requirement of assembly precision avoids the fuse function of connection sheet 11 from failing, improves the security performance of secondary cell.
In order to improve conveyance capacity, the first tab 22 of electrode assembly 2 is usually arranged as multiple, the multiple first tab
22 is stacked together and be also secured to third interconnecting piece 113.It certainly, can be in longitudinal Y and cross when multiple first tabs 22 are laminated
It misplaces on X.In traditional connection sheet, dislocation may cause the first tab 22 and cross fuse area 1121, cause to fuse
Disabler, and in order to avoid such case, the prior art is higher to the position accuracy demand of the first tab 22.And it is practical at this
In novel secondary cell, even if the first tab 22 misplaces, the fuse function of connection sheet 11 will not be influenced, it therefore, can
To reduce the requirement of the position precision of the first tab 22, simplifies technique, reduces cost.
The secondary cell of the utility model can assemble as steps described below: 1) referring to Fig. 3, by the first pole of electrode assembly 2
Ear 22 is welded in the third interconnecting piece 113 of connection sheet 11, and the second tab 23 is welded in a switching piece and (is similar to connection sheet 11
Structure)；2) referring to Fig. 2, the first connecting portion 111 of connection sheet 11 is welded to first electrode terminal 31, switching piece is welded
To second electrode terminal 32；3) main body 21 of electrode assembly 2 referring to Fig.1, is folded to 33 downside of lamina tecti；4) by electrode group
Part 2 is put into shell 4, and welds lamina tecti 33 and shell 4.
When turning down main body 21, the first tab 22 bends and forms two parts, i.e. bonding pad 221 and bent area 222.Connection
Third interconnecting piece 113 is fixed in area 221, and bent area 222 is located at the downside of bonding pad 221 and connects main body 21 and bonding pad
221。
Referring to Fig. 6, first connecting portion 111 includes the first body region 1111 and the first protrusion area 1112, the first body region
The both ends of 1111 transversely X are connected with second connecting portion 112 respectively, and the first protrusion area 1112 is from the first body region 1111 along vertical
Extending outwardly to one end of Y, (on the basis of the first body region 1111, the first protrusion area 1112 " extending outwardly " refers to the first protrusion
Area 1112 to the first body region 1111 along longitudinal direction Y outside extend).Third interconnecting piece 113 includes third body region 1131 and the
The outer end in three protrusion areas 1132, third body region 1131 and second connecting portion 112 transversely X is connected, third protrusion area 1132 from
One end of the Y along longitudinal direction of third body region 1131 extends outwardly.The length that Y extends along longitudinal direction of area 1132 is protruded by increasing third,
The connection area of third interconnecting piece 113 Yu bonding pad 221 can be increased, improve conveyance capacity.
Preferably, on longitudinal Y, the first protrusion area 1112 and third protrusion area 1132 are located at second connecting portion 112 on the contrary
Two sides.At this point, the first protrusion area 1112 and third protrusion area 1132 will not be overlapped on longitudinal Y, with " the first protrusion area
1112 are located at 112 the same side of second connecting portion with third protrusion area 1132 " scheme compare, the application can be effectively reduced the
The area that one interconnecting piece 111 and third interconnecting piece 113 are overlapped on longitudinal Y, so that reducing the first tab 22 is overlapped on the first company
A possibility that socket part 111.
The sectional area of fuse area 1121 is less than the connection area of second connecting portion 112 and first connecting portion 111, less than second
The connection area of interconnecting piece 112 and third interconnecting piece 113, so fuse area 1121 generates when electric current flows through fuse area 1121
Heat it is larger.When secondary cell overcharge, the heat that fuse area 1121 generates increased dramatically and fuse, so that cutting is filled
Electrical circuit prevents from causing safety accident.Under the action of normal current, fuse area 1121 can also generate biggish heat, and by
It is smaller at a distance from second connecting portion 112, with first connecting portion 111 in the setting of fuse area 1121, so on fuse area 1121
Heat can be dispersed into outside secondary cell by first connecting portion 111 and first electrode terminal 31, and heat dissipation path is short, to keep away
Exempt from hot stack.
Referring to Fig. 6, second connecting portion 112 is two and is located at the two sides of the transversely X of first connecting portion 111, and each
Fuse area 1121 is equipped in second connecting portion 112.Third interconnecting piece 113 be two and respectively with two second connecting portions 112
It is connected.In order to improve the capacity of secondary cell, electrode assembly 2 is usually arranged as multiple.First tab of partial electrode component 2
22 are securable to a third interconnecting piece 113, and the first tab 22 of remaining electrode assembly 2 is securable to another third company
Socket part 113.It is corresponding with third interconnecting piece 113 when overcharge occurs in the electrode assembly 2 being connected with a third interconnecting piece 113
Fuse area 1121 fuse, and other electrode assembly 2 being connected with another third interconnecting piece 113 is then unaffected.
Gap between two third interconnecting pieces 113 is greater than the width of the transversely X of first connecting portion 111, to be first
Tab 22 reserves enough spaces on lateral X, prevents the first tab 22 from contacting with first connecting portion 111.
Referring to Fig. 6 to Fig. 8, second connecting portion 112 can reduce fuse area by setting through-hole 1122, notch G or indentation N
1121 sectional area.Preferably, second connecting portion 112 be equipped with through-hole 1122, and through-hole 1122 along longitudinal direction Y size be greater than its
The transversely size of X.The sectional area of fuse area 1121 is determined by the size of the Y along longitudinal direction of through-hole 1122, is guaranteeing fuse area 1121
Sectional area it is identical under the premise of, the size for increasing the transversely X of through-hole 1122 will definitely increase the transversely X of second connecting portion 112
Size, occupy bigger space on lateral X so as to cause connection sheet 11, the width of the transversely X of lamina tecti 33 is also required to phase
The increase answered, therefore, the size of the Y along longitudinal direction of through-hole 1122 should be greater than the size of its transversely X.
Referring to Fig. 5, insulator 12 has base portion 121 and extension 122, and base portion 121 is looped around 1121 periphery of fuse area, prolongs
Extending portion 122 is connected to base portion 121 and is inserted into through-hole 1122.Connection sheet 11 can be improved in the intensity of fuse area 1121 in base portion 121,
Avoid the fracture when being vibrated of connection sheet 11.Meanwhile after the fusing of fuse area 1121, base portion 121 can also be by connection sheet
Two parts after 11 fusing separate, and described two parts is avoided to overlap again in secondary cell vibration.
Referring to fig. 4 to fig. 6, the connection component 1 further includes insulating trip 13, and insulating trip 13 is set to first connecting portion 111
A surface and at least cover the both ends of the surface transversely X, and insulating trip 13 also extends into second connecting portion 112
The surface that non-insulated body 12 coats.Insulating trip 13 is located at the side of the close electrode assembly 2 of connection sheet 11.When the first tab 22
When transversely fuse area 1121 is crossed in the free end of X, the first tab 22 may be curved along insulator 12 under the effect of external force
Folding, or even be overlapped in first connecting portion 111, and the application can be to avoid such case, to mention by setting insulating trip 13
The security performance of high secondary cell.
Claims (10)
1. a kind of connection component of secondary cell (1), including connection sheet (11) and insulator (12)；
It is characterized in that,
Connection sheet (11) is for tabular and including first connecting portion (111), second connecting portion (112) and third interconnecting piece
(113)；
Second connecting portion (112) extends outwardly from the end of first connecting portion (111) transversely (X)；
The outer end of third interconnecting piece (113) and second connecting portion (112) transversely (X) is connected；
Second connecting portion (112) is equipped with fuse area (1121), and insulator (12) at least coats the fusing of second connecting portion (112)
Area (1121).
2. connection component (1) according to claim 1, which is characterized in that
First connecting portion (111) includes the first body region (1111) and the first protrusion area (1112), the first body region (1111) edge
Laterally the both ends of (X) are connected with second connecting portion (112) respectively, and the first protrusion area (1112) is from the first body region (1111) along vertical
Extend outwardly to the one end of (Y)；
Third interconnecting piece (113) include third body region (1131) and third protrusion area (1132), third body region (1131) with
Second connecting portion (112) transversely (X) outer end be connected, third protrude area (1132) from third body region (1131) along longitudinal direction
(Y) one end extends outwardly.
3. connection component (1) according to claim 2, which is characterized in that on longitudinal direction (Y), the first protrusion area (1112)
It is located at the opposite two sides of second connecting portion (112) with third protrusion area (1132).
4. connection component (1) according to claim 1, which is characterized in that
Second connecting portion (112) is two and is located at the two sides of first connecting portion (111) transversely (X), and each second connects
Fuse area (1121) are equipped in socket part (112)；
Third interconnecting piece (113) is two and is connected respectively with two second connecting portions (112).
5. connection component (1) according to claim 4, which is characterized in that the gap between two third interconnecting pieces (113)
Greater than the width of first connecting portion (111) transversely (X).
6. connection component (1) according to claim 1, which is characterized in that second connecting portion (112) is equipped with through-hole
(1122), the size of through-hole (1122) (Y) along longitudinal direction is greater than the size of its transversely (X).
7. connection component (1) according to claim 6, which is characterized in that insulator (12) has base portion (121) and extends
Portion (122), base portion (121) are looped around fuse area (1121) periphery, and extension (122) is connected to base portion (121) and is inserted into through-hole
(1122)。
8. connection component (1) according to claim 1, which is characterized in that the connection component (1) further includes insulating trip
(13), insulating trip (13) be set to a surface of first connecting portion (111) and at least cover the surface transversely (X) two
End, and insulating trip (13) also extends into the surface of non-insulated body (12) cladding of second connecting portion (112).
9. a kind of secondary cell, which is characterized in that including electrode assembly (2), cap assembly (3) and according to claim 1-8
Any one of described in connection component (1)；
Cap assembly (3) includes first electrode terminal (31), and first electrode terminal (31) is connected to the first of connection sheet (11)
Interconnecting piece (111)；
Electrode assembly (2) includes main body (21) and the first tab (22) from the middle stretching of main body (21), and main body (21), which is located at, to be connected
The downside of connected components (1), the first tab (22) are connected to third interconnecting piece (113).
10. secondary cell according to claim 9, which is characterized in that the first tab (22) includes bonding pad (221) and curved
Folding area (222), bonding pad (221) are fixed on third interconnecting piece (113), and bent area (222) are located at the downside of bonding pad (221) simultaneously
It connects main body (21) and bonding pad (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820817546.XU CN208507800U (en) | 2018-05-29 | 2018-05-29 | Secondary cell and its connection component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820817546.XU CN208507800U (en) | 2018-05-29 | 2018-05-29 | Secondary cell and its connection component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208507800U true CN208507800U (en) | 2019-02-15 |
Family
ID=65294162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820817546.XU Active CN208507800U (en) | 2018-05-29 | 2018-05-29 | Secondary cell and its connection component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208507800U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786644A (en) * | 2019-02-22 | 2019-05-21 | 中兴高能技术有限责任公司 | Connection sheet, cover plate assembly and battery |
| CN114651370A (en) * | 2020-03-09 | 2022-06-21 | 株式会社Lg新能源 | Battery module with bus bar, battery pack, and vehicle |
| WO2023221598A1 (en) * | 2022-05-20 | 2023-11-23 | 宁德时代新能源科技股份有限公司 | Connecting assembly, battery cell, battery, and electrical device |
| WO2024040528A1 (en) * | 2022-08-25 | 2024-02-29 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electrical apparatus |
| WO2024044878A1 (en) * | 2022-08-29 | 2024-03-07 | 宁德时代新能源科技股份有限公司 | Top cover assembly, battery cell, battery, and electrical device |
-
2018
- 2018-05-29 CN CN201820817546.XU patent/CN208507800U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786644A (en) * | 2019-02-22 | 2019-05-21 | 中兴高能技术有限责任公司 | Connection sheet, cover plate assembly and battery |
| CN114651370A (en) * | 2020-03-09 | 2022-06-21 | 株式会社Lg新能源 | Battery module with bus bar, battery pack, and vehicle |
| CN114651370B (en) * | 2020-03-09 | 2024-03-08 | 株式会社Lg新能源 | Battery module, battery pack, and vehicle having bus bar |
| WO2023221598A1 (en) * | 2022-05-20 | 2023-11-23 | 宁德时代新能源科技股份有限公司 | Connecting assembly, battery cell, battery, and electrical device |
| WO2024040528A1 (en) * | 2022-08-25 | 2024-02-29 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electrical apparatus |
| WO2024044878A1 (en) * | 2022-08-29 | 2024-03-07 | 宁德时代新能源科技股份有限公司 | Top cover assembly, battery cell, battery, and electrical device |
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