CN201820809U - Lithium ion battery explosion-proof combined cap adopting aluminum nickel-plated steel composite sheet - Google Patents
Lithium ion battery explosion-proof combined cap adopting aluminum nickel-plated steel composite sheet Download PDFInfo
- Publication number
- CN201820809U CN201820809U CN2010205799412U CN201020579941U CN201820809U CN 201820809 U CN201820809 U CN 201820809U CN 2010205799412 U CN2010205799412 U CN 2010205799412U CN 201020579941 U CN201020579941 U CN 201020579941U CN 201820809 U CN201820809 U CN 201820809U
- Authority
- CN
- China
- Prior art keywords
- nickel
- plated steel
- explosion
- proof
- aluminium
- 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 - Lifetime
Links
Images
Classifications
-
- 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
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a lithium ion battery explosion-proof combined cap adopting an aluminum nickel-plated steel composite sheet, which comprises a small aluminum sheet, a seal ring, a nickel-plated cap, an explosion-proof aluminum sheet and the aluminum nickel-plated steel composite sheet, wherein the aluminum nickel-plated steel composite sheet comprises a nickel-plated steel layer, an aluminum nickel-plated steel composite layer, and an aluminum surface layer which are arranged in sequence; a plurality of convex points are arranged on both the nickel-plated steel layer and the aluminum surface layer; the nickel-plated cap is welded with the nickel-plated steel layer of the aluminum nickel-plated steel composite sheet; the explosion-proof aluminum sheet is welded with the aluminum surface of the aluminum nickel-plated steel composite sheet; the small aluminum sheet and the explosion-proof aluminum sheet adopt laser welding; and the edges of the nickel-plated cap, the explosion-proof aluminum sheet and the small aluminum sheet are sealed by the seal ring. The utility model has the advantages as follows: the product structure is simplified, the internal resistance of the battery is reduced, the stability is good, the production efficiency is improved, the manufacturing cost is reduced, the favorable welding performance is guaranteed, and the deformation of the seal ring caused by squeezing is avoided during sealing.
Description
Technical field
The utility model relates to a kind of explosion-proof composite cap for lithium ion battery that adopts aluminium nickel-plated steel composite sheet.
Background technology
At present, cylindrical lithium ion battery explosion-proof combined nut cap with high multiplying power comprises explosion-proof aluminium flake, nickel plating block, all is to adopt aluminium ring or nickel ring to carry out spot welding or soldering between nickel plating block and the explosion-proof aluminium flake.This structure welding consistency is poor, and spot welding is insecure, and the soldering time is long can to produce oxidation, and the internal resistance of cell is increased, and influences battery useful life, and whole explosion-proof combined block is the easy compressive deformation of little aluminium flake when battery seal.
The utility model content
The purpose of this utility model is to provide a kind of explosion-proof composite cap for lithium ion battery that adopts aluminium nickel-plated steel composite sheet, can effectively solve existing lithium ion battery explosion-proof cap welding difficulty, the problem that easy oxidation is increased the internal resistance of cell.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of explosion-proof composite cap for lithium ion battery that adopts aluminium nickel-plated steel composite sheet, comprise little aluminium flake, sealing ring, the nickel plating block, explosion-proof aluminium flake, aluminium nickel-plated steel composite sheet, described aluminium nickel-plated steel composite sheet comprises the nickel-plated steel layer that sets gradually, aluminium nickel-plated steel composite bed, the aluminium surface layer, be equipped with some salient points on described nickel-plated steel layer and the aluminium surface layer, the nickel-plated steel layer welding of described nickel plating block and aluminium nickel-plated steel composite sheet, the aluminium surface layer welding of described explosion-proof aluminium flake and aluminium nickel-plated steel composite sheet, adopt laser welding between described little aluminium flake and the explosion-proof aluminium flake, described sealing ring is blocked a shot nickel plating, explosion-proof aluminium flake, the edge sealing of little aluminium flake.
Preferably, described sealing ring has circular standing groove, and described standing groove bottom has through hole, and the bottom of described sealing ring standing groove is provided with at least one convex tendon, and described nickel plating block, explosion-proof aluminium flake are arranged in the standing groove, and described little aluminium flake is arranged in the through hole; Enhanced leaktightness circle intensity, when preventing battery seal, the sealing ring compressive deformation.
Preferably, also be provided with at least one convex tendon on the sidewall of described standing groove; Further enhanced leaktightness circle intensity prevents distortion.
Preferably, the cross section of described convex tendon is semicircle; Easily manufactured, easy-formation.
Preferably, the height of described convex tendon is 0.1mm; Can reach the fin height of better effects.
Compared with prior art, the utility model has the advantages that: simplified product structure, reduced the internal resistance of cell, good stability is enhanced productivity, reduce manufacturing cost, guaranteed good welding performance simultaneously, avoided when sealing, little aluminium flake compressive deformation, the tow sides of aluminium nickel-plated steel composite sheet are provided with some salient points, convenient and miscellaneous part welding.
Description of drawings
Fig. 1 is a kind of structural representation that adopts the explosion-proof composite cap for lithium ion battery of aluminium nickel-plated steel composite sheet of the utility model;
Fig. 2 is the A place partial enlarged drawing of Fig. 1.
Embodiment
Consult Fig. 1, Fig. 2 is a kind of embodiment that adopts the explosion-proof composite cap for lithium ion battery of aluminium nickel-plated steel composite sheet of the utility model, a kind of explosion-proof composite cap for lithium ion battery that adopts aluminium nickel-plated steel composite sheet, comprise little aluminium flake 1, sealing ring 2, nickel plating block 3, explosion-proof aluminium flake 5, aluminium nickel-plated steel composite sheet 4, described aluminium nickel-plated steel composite sheet 4 comprises the nickel-plated steel layer that sets gradually, aluminium nickel-plated steel composite bed, the aluminium surface layer, be equipped with some salient points on described nickel-plated steel layer and the aluminium surface layer, described nickel plating block 3 welds with the nickel-plated steel layer of aluminium nickel-plated steel composite sheet 4, described explosion-proof aluminium flake 5 welds with the aluminium surface layer of aluminium nickel-plated steel composite sheet 4, adopt laser welding between described little aluminium flake 1 and the explosion-proof aluminium flake 5, described sealing ring 2 is with nickel plating block 3, explosion-proof aluminium flake 5, the edge sealing of little aluminium flake 1, described sealing ring 2 has circular standing groove 22, described standing groove 22 bottoms have through hole, the bottom of described sealing ring 2 standing grooves 22 is provided with at least one convex tendon 21, described nickel plating block 3, explosion-proof aluminium flake 5 is arranged in the standing groove 22, described little aluminium flake 1 is arranged in the through hole, also be provided with at least one convex tendon 21 on the sidewall of described standing groove 22, the cross section of described convex tendon 21 is semicircle, and the height of described convex tendon 21 is 0.1mm.
All have some pores on described little aluminium flake 1 and the nickel plating block 3, the energy storage welding is all adopted in above-mentioned welding.
The above only is a specific embodiment of the utility model, but technical characterictic of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and variation of being done or modification all are encompassed among the claim of the present utility model.
Claims (5)
1. explosion-proof composite cap for lithium ion battery that adopts aluminium nickel-plated steel composite sheet, comprise little aluminium flake (1), sealing ring (2), nickel plating block (3), explosion-proof aluminium flake (5), it is characterized in that: also comprise aluminium nickel-plated steel composite sheet (4), described aluminium nickel-plated steel composite sheet (4) comprises the nickel-plated steel layer that sets gradually, aluminium nickel-plated steel composite bed, the aluminium surface layer, be equipped with some salient points on described nickel-plated steel layer and the aluminium surface layer, described nickel plating block (3) welds with the nickel-plated steel layer of aluminium nickel-plated steel composite sheet (4), described explosion-proof aluminium flake (5) welds with the aluminium surface layer of aluminium nickel-plated steel composite sheet (4), adopt laser welding between described little aluminium flake (1) and the explosion-proof aluminium flake (5), described sealing ring (2) is with nickel plating block (3), explosion-proof aluminium flake (5), the edge sealing of little aluminium flake (1).
2. a kind of explosion-proof composite cap for lithium ion battery that adopts aluminium nickel-plated steel composite sheet as claimed in claim 1, it is characterized in that: described sealing ring (2) has circular standing groove (22), described standing groove (22) bottom has through hole, the bottom of the standing groove (22) of described sealing ring (2) is provided with at least one convex tendon (21), described nickel plating block (3), explosion-proof aluminium flake (5) are arranged in the standing groove (22), and described little aluminium flake (1) is arranged in the through hole.
3. a kind of explosion-proof composite cap for lithium ion battery that adopts aluminium nickel-plated steel composite sheet as claimed in claim 2 is characterized in that: also be provided with at least one convex tendon (21) on the sidewall of described standing groove (22).
4. a kind of explosion-proof composite cap for lithium ion battery that adopts aluminium nickel-plated steel composite sheet as claimed in claim 1 or 2 is characterized in that: the cross section of described convex tendon (21) is for semicircle.
5. a kind of explosion-proof composite cap for lithium ion battery that adopts aluminium nickel-plated steel composite sheet as claimed in claim 4 is characterized in that: the height of described convex tendon (21) is 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205799412U CN201820809U (en) | 2010-10-26 | 2010-10-26 | Lithium ion battery explosion-proof combined cap adopting aluminum nickel-plated steel composite sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205799412U CN201820809U (en) | 2010-10-26 | 2010-10-26 | Lithium ion battery explosion-proof combined cap adopting aluminum nickel-plated steel composite sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201820809U true CN201820809U (en) | 2011-05-04 |
Family
ID=43918753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205799412U Expired - Lifetime CN201820809U (en) | 2010-10-26 | 2010-10-26 | Lithium ion battery explosion-proof combined cap adopting aluminum nickel-plated steel composite sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201820809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005548A (en) * | 2010-10-26 | 2011-04-06 | 周卫炳 | Anti-explosion combined cap of lithium ion battery adopting aluminum and nickel-plated steel composite sheet |
-
2010
- 2010-10-26 CN CN2010205799412U patent/CN201820809U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005548A (en) * | 2010-10-26 | 2011-04-06 | 周卫炳 | Anti-explosion combined cap of lithium ion battery adopting aluminum and nickel-plated steel composite sheet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201498546U (en) | Structure used for welding pole piece and pole lug by planar welding column and used for rechargeable battery | |
| CN203574066U (en) | Lithium ion battery with multi-core structure | |
| CN204243090U (en) | A kind of high-performance power lithium-ion battery | |
| CN202259546U (en) | Button-type lithium battery with insert-type supporting ring structure | |
| CN203826461U (en) | End-surface-welded cylindrical lithium battery | |
| CN201820806U (en) | Lithium ion battery anti-explosion combined nut cap adopting aluminum-stainless steel composite plate | |
| CN101777633B (en) | High- magnification cylindrical explosion-proof composite cap for lithium ion battery | |
| CN201820809U (en) | Lithium ion battery explosion-proof combined cap adopting aluminum nickel-plated steel composite sheet | |
| CN103730623A (en) | End surface welding cylindrical lithium battery | |
| CN201812862U (en) | Explosion-proof combined cover cap of cylindrical high-magnification lithium ion battery | |
| CN202196821U (en) | Composite positive tab of power lithium battery | |
| CN201820807U (en) | Cylindrical lithium ion battery explosion-proof combined cap | |
| CN201820808U (en) | Explosion-proof combined cap of cylindrical high-rate lithium ion battery | |
| CN201936925U (en) | Lithium ion secondary battery with circular cores and square casing | |
| CN201623213U (en) | Round-cell square-shell lithium ion secondary battery | |
| CN102005548A (en) | Anti-explosion combined cap of lithium ion battery adopting aluminum and nickel-plated steel composite sheet | |
| CN201191623Y (en) | Battery assembling cap and cylindrical lithium ionic cell produced by using the same | |
| CN202633456U (en) | Single-row type lead covered copper plate grid storage battery | |
| CN101800296A (en) | Explosion-proof combined block of high-rate cylindrical lithium ion battery | |
| CN201629358U (en) | Explosion proof combined cap of high-rate cylindrical lithium-ion battery | |
| CN102005544A (en) | Lithium ion battery anti-explosion combination block using aluminum stainless steel clad sheet | |
| CN202308135U (en) | Negative pole piece and lug structure for power battery | |
| CN102005545A (en) | Cylindrical high-magnification lithium ion battery anti-explosion combined cover cap | |
| CN204407427U (en) | A kind of power energy storage soft bag lithium ionic cell | |
| CN101777634A (en) | High-magnification cylindrical explosion-proof composite cap for lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |