CN205666257U - Utmost point post riveting flexible connecting piece's lithium ion battery cover plate - Google Patents
Utmost point post riveting flexible connecting piece's lithium ion battery cover plate Download PDFInfo
- Publication number
- CN205666257U CN205666257U CN201620493253.1U CN201620493253U CN205666257U CN 205666257 U CN205666257 U CN 205666257U CN 201620493253 U CN201620493253 U CN 201620493253U CN 205666257 U CN205666257 U CN 205666257U
- Authority
- CN
- China
- Prior art keywords
- pole
- sheet
- flexible coupling
- lithium ion
- ion battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a lithium ion battery cover plate specifically is an utmost point post riveting flexible connecting piece's lithium ion battery cover plate. Aim at alleviates current lithium ion battery cover plate weight, reduces the connecting plate and is connected the space that can not bend and occupy with utmost point ear, reduces to connect utmost point ear resistance. This lithium ion battery cover plate, including apron body, explosion -proof valve, positive and negative poles mast and corresponding flexible connecting piece, flexible connecting piece is constituteed and is bent by multilayer foil, divide into the horizontal component and the part of bending, and flexible connecting piece's the anodal multilayer aluminum alloy sheet that adopts, negative pole adopt multilayer copper thin slice, and its horizontal component adopts molecular diffusion welding to become the metal sheet, and to mould plastics the riveting sealed with apron body and corresponding utmost point post, and the multilayer thin slice and the corresponding electric core multilayer utmost point ear of bending partially adopt ultrasonic bonding to be connected, have realized connection piece and the extremely flexible coupling between the ear. The utility model discloses effectively reduce internal resistance of cell, promoted the battery performance, effectively reduce battery weight, promote the weight energy density of battery.
Description
Technical field
This utility model relates to a kind of lithium ion battery cover board, particularly relates to a kind of pole column riveting and is flexible coupling the lithium ion of sheet
Battery cover board.
Background technology
Along with scientific and technological progress and the raising of people's living standard, as motive-power battery lithium ion battery applications increasingly
Extensively, it is desirable to more and more higher.The critical piece of current rectangular lithium ion battery cover plate is cover board body, explosion-proof valve, positive and negative
Pole and corresponding connecting plate, the material of positive terminal is aluminum, and the material of negative terminal is copper, and corresponding connecting plate is aluminium sheet and purple
Copper coin, copper metal material weight is big, causes lithium ion battery weight big, and connecting plate material is hard, be connected with lug can not bending with
Reducing volume, and connecting plate can only be connected by riveting method with lug, and passage in time or battery are in use
Being often subject to vibrations, mechanical fastener may loosen, and the internal resistance of cell increases, and heating will be caused serious, cause electricity during battery discharge
Pond temperature is too high, has a strong impact on service behaviour and the security performance of battery.
Summary of the invention
In order to alleviate existing lithium ion battery cover board weight, reducing that connecting plate is connected with lug can not the sky that takies of bending
Between, reducing connecting tab resistance, this utility model provides a kind of pole column riveting and is flexible coupling the lithium ion battery cover board of sheet, this lid
Plate can not only effectively reduce battery volume, alleviates battery weight, and can effectively reduce connecting tab internal resistance, promotes cell performance
Energy.
This utility model solve its technical problem be the technical scheme is that a kind of pole column riveting be flexible coupling sheet lithium from
Sub-battery cover board, is made up of cover board body, explosion-proof valve, positive and negative terminals and the sheet that is flexible coupling accordingly, cover board body riveting pole position
Upper and lower surface note PP plastic layer.The sheet that is flexible coupling is made up of and bending multilayer metal foil, is divided into horizontal component and dogleg section,
The sheet that is flexible coupling of positive terminal uses multilayer aluminum alloy sheet, and the sheet that is flexible coupling of negative terminal uses multiple layer of copper thin slice, and be flexible coupling sheet
Horizontal component uses molecule diffusion welding (DW) to be connected into metallic plate, and pole, cover plate PP plastic layer and metallic plate use rivet order riveting, real
Existing pole, cover board body seal with the riveting of metallic plate, the multilayer metal foil of dogleg section use ultrasonic bonding mode with
Corresponding battery core Multilayer pole ear connects, it is achieved that being flexible coupling between connecting plate and lug.It is flexible coupling and can not only effectively reduce electricity
Cell body amasss, and can effectively reduce the internal resistance of cell, improves battery performance.
Positive Poles material of the present utility model is aluminum alloy nickel plated, employing redness mark (+), negative pole pole material is by often
The red copper of rule changes aluminum alloy nickel plated into, uses white indicia (), while taking into account pole electric conductivity, is effectively reduced battery
Weight, improves the gravimetric energy density of battery.
The outer of pole is connected by female thread mode, compares external screw thread mode and reduces pole height, reduces set of cells
Part size.
The beneficial effects of the utility model are: effectively reducing battery volume, alleviate battery weight, promote battery volume energy
While metric density and gravimetric energy density, the internal resistance of cell can be effectively reduced again, promote battery performance.
Accompanying drawing explanation
Fig. 1 is vertical section of the present utility model structural map
1, cover board body
2, explosion-proof valve
3, positive and negative terminals
4, be flexible coupling sheet horizontal component
5, be flexible coupling sheet dogleg section
6, PP plastic layer
7, rivet.
Detailed description of the invention
As shown in Fig. 1, lithium ion battery cover board, including cover board body 1, explosion-proof valve 2, positive and negative terminals 3 and it is flexible coupling accordingly
Sheet, positive and negative terminals 3 is positioned at cover board body 1 both sides, Positive Poles material be aluminum alloy nickel plated have red mark (+), negative pole pole
Material is that aluminium alloy copper facing has white indicia (), notes PP plastic layer 6 in cover plate positive and negative terminals position upper and lower surface, is flexible coupling accordingly
Sheet is made up of and bending multilayer metal foil, is divided into horizontal component 4 and dogleg section 5, and the sheet that is flexible coupling of positive terminal uses multilamellar
Aluminum alloy flake, its horizontal component 4 uses molecule diffusion welding (DW) to be connected into metallic plate, be placed in below cover board body 1 with Positive Poles 3 phase
Correspondence, is riveted on PP plastic layer 6 with rivet 7, it is achieved Positive Poles 3, cover plate PP plastic layer 6 and the sheet horizontal component 4 that is flexible coupling
Riveting seal, the multilayer aluminum alloy sheet of its dogleg section 5 uses ultrasonic bonding mode with battery core laminated aluminium foil lug even
Connect, it is achieved be flexible coupling between sheet and lug is flexible coupling.The sheet that is flexible coupling of negative terminal uses multilamellar red copper thin slice composition bending,
It is identical with positive pole that its horizontal component 4 assembles mode, and the multilamellar red copper thin slice of its dogleg section 5 uses ultrasonic bonding mode and electricity
Core multilayer copper foil lug connects, it is achieved be flexible coupling between sheet and lug is flexible coupling.The outer of pole is connected by female thread mode.
Claims (3)
1. pole column riveting is flexible coupling a lithium ion battery cover board for sheet, including cover board body (1), explosion-proof valve (2), positive and negative terminals
(3) and be accordingly flexible coupling sheet, cover board body riveting pole position upper and lower surface note PP plastic layer (6), it is characterized in that described in be flexible coupling
Sheet is multilayer metal foil composition bending, is divided into horizontal component (4) and dogleg section (5), and the sheet that is flexible coupling of positive terminal uses
Multilayer aluminum alloy sheet, negative terminal be flexible coupling sheet use multiple layer of copper thin slice, described in be flexible coupling sheet horizontal component (4) use molecule
Diffusion welding (DW) is connected into metallic plate, rivets to cover plate PP plastic layer (6) and corresponding pole (3) and seals, the multiple layer metal of dogleg section (5)
Thin slice uses ultrasonic bonding to be connected with corresponding battery core Multilayer pole ear.
A kind of pole column riveting the most according to claim 1 is flexible coupling the lithium ion battery cover board of sheet, it is characterized in that described pole
Post (3) the most extremely aluminum alloy nickel plated pole, negative pole is aluminum alloy nickel plated pole.
3. be flexible coupling the lithium ion battery cover board of sheet according to a kind of pole column riveting described in any one of claim 1 to 2, its feature
It is that the outer of described pole is connected by female thread mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620493253.1U CN205666257U (en) | 2016-05-27 | 2016-05-27 | Utmost point post riveting flexible connecting piece's lithium ion battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620493253.1U CN205666257U (en) | 2016-05-27 | 2016-05-27 | Utmost point post riveting flexible connecting piece's lithium ion battery cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205666257U true CN205666257U (en) | 2016-10-26 |
Family
ID=57161282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620493253.1U Expired - Fee Related CN205666257U (en) | 2016-05-27 | 2016-05-27 | Utmost point post riveting flexible connecting piece's lithium ion battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205666257U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039606A (en) * | 2017-06-13 | 2017-08-11 | 四川南光新能源有限公司 | A kind of lithium battery |
| CN107342440A (en) * | 2017-06-26 | 2017-11-10 | 合肥国轩高科动力能源有限公司 | High-power lithium ion battery cell and manufacturing method thereof |
| CN110896132A (en) * | 2019-11-11 | 2020-03-20 | 江苏恒驰动力科技有限公司 | Explosion-proof combined power battery cover plate |
| CN112909389A (en) * | 2021-03-19 | 2021-06-04 | 江西安驰新能源科技有限公司 | Horizontal laminated battery cover plate and lithium battery thereof |
| CN114171805A (en) * | 2021-12-03 | 2022-03-11 | 合肥国轩高科动力能源有限公司 | Lithium ion battery structure and assembling method thereof |
| WO2024159455A1 (en) * | 2023-02-01 | 2024-08-08 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electric device |
-
2016
- 2016-05-27 CN CN201620493253.1U patent/CN205666257U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039606A (en) * | 2017-06-13 | 2017-08-11 | 四川南光新能源有限公司 | A kind of lithium battery |
| CN107342440A (en) * | 2017-06-26 | 2017-11-10 | 合肥国轩高科动力能源有限公司 | High-power lithium ion battery cell and manufacturing method thereof |
| CN110896132A (en) * | 2019-11-11 | 2020-03-20 | 江苏恒驰动力科技有限公司 | Explosion-proof combined power battery cover plate |
| CN112909389A (en) * | 2021-03-19 | 2021-06-04 | 江西安驰新能源科技有限公司 | Horizontal laminated battery cover plate and lithium battery thereof |
| CN114171805A (en) * | 2021-12-03 | 2022-03-11 | 合肥国轩高科动力能源有限公司 | Lithium ion battery structure and assembling method thereof |
| CN114171805B (en) * | 2021-12-03 | 2024-01-26 | 合肥国轩高科动力能源有限公司 | Lithium ion battery structure and assembly method thereof |
| WO2024159455A1 (en) * | 2023-02-01 | 2024-08-08 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electric device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20180527 |