CN109638181A - A kind of VDA ternary battery square structure top cover - Google Patents
A kind of VDA ternary battery square structure top cover Download PDFInfo
- Publication number
- CN109638181A CN109638181A CN201811353107.9A CN201811353107A CN109638181A CN 109638181 A CN109638181 A CN 109638181A CN 201811353107 A CN201811353107 A CN 201811353107A CN 109638181 A CN109638181 A CN 109638181A
- Authority
- CN
- China
- Prior art keywords
- cathode
- rivet
- positive
- substrate
- stop frame
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of VDA ternary battery square structure top covers, the positive rivet sequentially passes through stop frame, substrate, rivet hole on rotation stop piece and positive pressing plate, it is riveted with positive pressing plate, the cathode rivet sequentially passes through stop frame, substrate, negative insulation plate and cathode pressing plate, it is riveted with cathode pressing plate, the positive strap, the left end of just minimum connection sheet and lower stop frame is successively welded to connect below positive rivet, the negative straps, the right end of the small connection sheet of cathode and lower stop frame is successively welded to connect below cathode rivet, explosionproof hole is provided at the center of substrate, explosion-proof valve and explosion-proof valve patch are installed in explosionproof hole.The upper and lower stop frame of the present invention improves cover board yield, and under certain air pressure, explosion rupture disk or eduction valve are opened, and improves cell safety type, improves electric car security performance and stability, is suitably applied the manufacturing of VDA ternary battery.
Description
Technical field
The present invention relates to ternary battery technology field more particularly to a kind of VDA ternary battery square structure top covers.
Background technique
With the development of China VDA ternary battery, for demanding strict technology for battery cap, and battery battery core holds now
Amount becomes big, higher and higher for top cover requirement, in order to promote the stability of cap structure and the peace of ternary battery entirety
Holotype and stability, it is necessary to which the structure of top cover is improved.
Summary of the invention
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of VDA ternary battery square structure top cover.
The present invention is achieved by the following technical solutions:
A kind of VDA ternary battery square structure top cover includes positive rivet, cathode rivet, positive strap, cathode connection
Piece, just minimum connection sheet, the small connection sheet of cathode, upper stop frame, lower stop frame, substrate, negative insulation plate, rotation stop piece, positive extreme pressure
Plate and cathode pressing plate, the positive rivet sequentially pass through the rivet hole on stop frame, substrate, rotation stop piece and positive pressing plate,
It is riveted with positive pressing plate, the cathode rivet sequentially passes through stop frame, substrate, negative insulation plate and cathode pressing plate, and negative
The riveting of extreme pressure plate, the left end of the positive strap, just minimum connection sheet and lower stop frame is successively welded to connect in positive riveting
Below nail, the right end of the small connection sheet of the negative straps, cathode and lower stop frame is successively welded to connect in cathode rivet
Below, it is provided with explosionproof hole at the center of substrate, explosion-proof valve and explosion-proof valve patch are installed in explosionproof hole, also pacified on substrate
Equipped with eduction valve, safeguard construction is opened by eduction valve and explosion rupture disk and is realized.
The size of the just minimum connection sheet and the small connection sheet of cathode is respectively positive strap and negative straps
1/2 connection sheet.
Sealing ring is respectively equipped between the positive rivet and cathode rivet and substrate.
The rotation stop piece be it is rectangular, centre is provided with rivet hole.
It is provided with liquid injection hole on the substrate, what is sealed in liquid injection hole is equipped with chemical conversion nail and sealing nail.
The invention has the advantages that the present invention improves the connection type of top cover by the spot welding mode of laser technology, make top cover
A possibility that internal resistance changes reduction improves the overall performance of battery, and upper and lower stop frame improves cover board yield, certain
Under air pressure, explosion rupture disk or eduction valve are opened, and are improved cell safety type, are improved electric car security performance and stability
Can, it is suitably applied the manufacturing of VDA ternary battery.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
It include positive rivet 13, cathode rivet 12, just as shown in Figure 1, a kind of VDA ternary battery square structure top cover
Pole connection sheet 9, negative straps 8, just minimum connection sheet 11, the small connection sheet 10 of cathode, upper stop frame 16, lower stop frame 6, substrate
1, negative insulation plate 14, rotation stop piece 4, positive pressing plate 5 and cathode pressing plate 15, the positive rivet 13 sequentially pass through stop frame
16, the rivet hole on substrate 1, rotation stop piece 4 and positive pressing plate 5, rivets, the cathode rivet 12 is successively worn with positive pressing plate 5
Stop frame 16, substrate 1, negative insulation plate 14 and cathode pressing plate 15 are crossed, is riveted with cathode pressing plate 15, the positive strap
9, the left end of just minimum connection sheet 11 and lower stop frame 6 is successively welded to connect below positive rivet 13, and the cathode connects
The right end of contact pin 8, the small connection sheet 10 of cathode and lower stop frame 6 is successively welded to connect below cathode rivet 12, in substrate 1
Center is provided with explosionproof hole 17, and explosion-proof valve 3 and explosion-proof valve patch 7 are equipped in explosionproof hole 17, is also equipped with aerial drainage on substrate 1
Valve 2, safeguard construction are opened by eduction valve 2 and explosion-proof valve patch 7 and are realized.
The just minimum connection sheet 11 is respectively that positive strap 9 is connected with cathode with the size of the small connection sheet 10 of cathode
1/2 connection sheet of piece 8.
Sealing ring 20 is respectively equipped between the positive rivet 13 and cathode rivet 12 and substrate 1.
The rotation stop piece 4 be it is rectangular, centre is provided with rivet hole.
It is connect by laser spot welding mode with top cover.
It is provided with liquid injection hole 21 on the substrate 1, what is sealed in liquid injection hole 21 is equipped with chemical conversion nail 18 and sealing nail
19。
Claims (5)
1. a kind of VDA ternary battery square structure top cover, it is characterised in that: include positive rivet, cathode rivet, anode connection
Piece, just minimum connection sheet, the small connection sheet of cathode, upper stop frame, lower stop frame, substrate, negative insulation plate, stops negative straps
Rotor, positive pressing plate and cathode pressing plate, the positive rivet sequentially pass through stop frame, substrate, rotation stop piece and positive pressing plate
On rivet hole, riveted with positive pressing plate, the cathode rivet sequentially passes through stop frame, substrate, negative insulation plate and negative
Extreme pressure plate is riveted with cathode pressing plate, the left end of the positive strap, the just minimum connection sheet and lower stop frame successively company of welding
It connects below positive rivet, the right end of the small connection sheet of the negative straps, cathode and lower stop frame is successively welded to connect
Below cathode rivet, it is provided with explosionproof hole at the center of substrate, explosion-proof valve and explosion-proof valve patch are installed in explosionproof hole,
Eduction valve is also equipped on substrate.
2. a kind of VDA ternary battery square structure top cover according to claim 1, it is characterised in that: described is just minimum
The size of connection sheet and the small connection sheet of cathode is respectively 1/2 connection sheet of positive strap and negative straps.
3. a kind of VDA ternary battery square structure top cover according to claim 1, it is characterised in that: in the anode
Sealing ring is respectively equipped between rivet and cathode rivet and substrate.
4. a kind of VDA ternary battery square structure top cover according to claim 1, it is characterised in that: the rotation stop piece
To be rectangular, centre is provided with rivet hole.
5. a kind of VDA ternary battery square structure top cover according to claim 1, it is characterised in that: in the substrate
On be provided with liquid injection hole, sealed in liquid injection hole be equipped with chemical conversion nail and sealing nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353107.9A CN109638181A (en) | 2018-11-14 | 2018-11-14 | A kind of VDA ternary battery square structure top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353107.9A CN109638181A (en) | 2018-11-14 | 2018-11-14 | A kind of VDA ternary battery square structure top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109638181A true CN109638181A (en) | 2019-04-16 |
Family
ID=66067886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811353107.9A Pending CN109638181A (en) | 2018-11-14 | 2018-11-14 | A kind of VDA ternary battery square structure top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109638181A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350134A (en) * | 2019-05-29 | 2019-10-18 | 合肥国轩高科动力能源有限公司 | Power battery connecting piece and stopping frame integrated stopping frame |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014084088A1 (en) * | 2012-11-28 | 2014-06-05 | 株式会社 豊田自動織機 | Electricity storage device |
| CN106299172A (en) * | 2016-09-30 | 2017-01-04 | 合肥力翔电池科技有限责任公司 | A kind of lithium ion battery cover board |
| CN106784796A (en) * | 2017-01-20 | 2017-05-31 | 中盐安徽红四方锂电有限公司 | A kind of high temperature ternary material electrokinetic cell and preparation method thereof |
| CN206541867U (en) * | 2017-03-16 | 2017-10-03 | 广东瑞康新能源科技股份有限公司 | A kind of lithium-ion-power cell top cover of assembly type connection |
| CN206992158U (en) * | 2017-07-10 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | VDA ternary battery |
| CN206992165U (en) * | 2017-07-12 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | Annular laser welding system power battery cover plate |
| CN207030035U (en) * | 2017-07-26 | 2018-02-23 | 沈阳华兴防爆器材有限公司 | Lithium battery explosion-proof tank |
| CN207183329U (en) * | 2017-07-28 | 2018-04-03 | 深圳市欣迪盟新能源科技股份有限公司 | Battery cover board and battery |
| CN108987621A (en) * | 2018-06-11 | 2018-12-11 | 合肥力翔电池科技有限责任公司 | A kind of connection structure of great-capacity power battery top cover |
-
2018
- 2018-11-14 CN CN201811353107.9A patent/CN109638181A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014084088A1 (en) * | 2012-11-28 | 2014-06-05 | 株式会社 豊田自動織機 | Electricity storage device |
| CN106299172A (en) * | 2016-09-30 | 2017-01-04 | 合肥力翔电池科技有限责任公司 | A kind of lithium ion battery cover board |
| CN106784796A (en) * | 2017-01-20 | 2017-05-31 | 中盐安徽红四方锂电有限公司 | A kind of high temperature ternary material electrokinetic cell and preparation method thereof |
| CN206541867U (en) * | 2017-03-16 | 2017-10-03 | 广东瑞康新能源科技股份有限公司 | A kind of lithium-ion-power cell top cover of assembly type connection |
| CN206992158U (en) * | 2017-07-10 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | VDA ternary battery |
| CN206992165U (en) * | 2017-07-12 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | Annular laser welding system power battery cover plate |
| CN207030035U (en) * | 2017-07-26 | 2018-02-23 | 沈阳华兴防爆器材有限公司 | Lithium battery explosion-proof tank |
| CN207183329U (en) * | 2017-07-28 | 2018-04-03 | 深圳市欣迪盟新能源科技股份有限公司 | Battery cover board and battery |
| CN108987621A (en) * | 2018-06-11 | 2018-12-11 | 合肥力翔电池科技有限责任公司 | A kind of connection structure of great-capacity power battery top cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350134A (en) * | 2019-05-29 | 2019-10-18 | 合肥国轩高科动力能源有限公司 | Power battery connecting piece and stopping frame integrated stopping frame |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |