CN201638879U - Power lithium battery electrode cover plate anti-explosion membrane - Google Patents
Power lithium battery electrode cover plate anti-explosion membrane Download PDFInfo
- Publication number
- CN201638879U CN201638879U CN2010201605634U CN201020160563U CN201638879U CN 201638879 U CN201638879 U CN 201638879U CN 2010201605634 U CN2010201605634 U CN 2010201605634U CN 201020160563 U CN201020160563 U CN 201020160563U CN 201638879 U CN201638879 U CN 201638879U
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- China
- Prior art keywords
- cover plate
- explosion
- battery electrode
- power lithium
- lithium ion
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- Expired - Fee Related
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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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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model relates to a power lithium battery electrode cover plate anti-explosion membrane which belongs to the technical field of lithium batteries and comprises a cover plate and an anti-explosion membrane, wherein the cover plate is provided with an anti-explosion hole. The power lithium battery electrode cover plate anti-explosion membrane is characterized in that the cover plate is provided with an anti-explosion membrane in the position of the anti-explosion hole; the cover plate is provided with a groove; soldering materials for welding the cover plate and the anti-explosion membrane is arranged in the groove; and the cover plate is connected with the anti-explosion membrane in a soldering mode. The utility model has the advantages of simple structure, convenient machining, firm contact, plane structure of a welding surface, smoothness, no burrs, good protection effect of the anti-explosion membrane, long service life of the batteries, high safety level, wide application range and the like.
Description
Technical field
The utility model belongs to technical field of lithium ion, particularly relates to a kind of explosion-proof membrane on cover plate of power lithium ion battery electrode.
Background technology
At present, characteristics such as lithium ion battery has that volume is little, in light weight, electric weight is strong, memoryless, environmental protection are widely used in industrial production and the daily life.Available dynamic lithium ion cell electrode explosion-proof membrane on cover plate comprises cover plate and rupture pressure disc, and cover plate is provided with explosionproof hole.Exist between existing cover plate and rupture pressure disc contact insecurely, perhaps rupture pressure disc contacts out-of-flatness with cover plate, has knurl thorn etc., easily punctures rupture pressure disc, influences the battery use.Perhaps adopt welding manners such as transition zone to process, have technical problems such as complex process, production cost height, production efficiency be low.Existing battery exists rupture pressure disc to contact out-of-flatness with cover plate, and is easily broken, directly reduced the performance rate of battery, has potential safety hazard, even can cause a serious accident etc.
Summary of the invention
The utility model provides a kind of explosion-proof membrane on cover plate of power lithium ion battery electrode for solving the technical problem that exists in the known technology.
The purpose of this utility model provides a kind of simple in structure, contact firmly, solder side is planar structure, smooth no knurl thorn, rupture pressure disc protects, battery life is long, safe class height, the explosion-proof membrane on cover plate of power lithium ion battery electrode of characteristics such as applied widely.
The technical scheme that the utility model explosion-proof membrane on cover plate of power lithium ion battery electrode is taked is: a kind of explosion-proof membrane on cover plate of power lithium ion battery electrode, comprise cover plate and rupture pressure disc, cover plate is provided with explosionproof hole, be characterized in: cover plate is provided with rupture pressure disc at the explosionproof hole place, fluted on the cover plate, cover plate and rupture pressure disc welding braze is arranged in the groove, and cover plate and rupture pressure disc are that brazing mode links together.
The utility model explosion-proof membrane on cover plate of power lithium ion battery electrode can also adopt following technical scheme: described explosion-proof membrane on cover plate of power lithium ion battery electrode is characterized in: cover plate is a rectangular configuration.
Described explosion-proof membrane on cover plate of power lithium ion battery electrode is characterized in: the groove at cover plate explosionproof hole place is a rectangular recess.
Described explosion-proof membrane on cover plate of power lithium ion battery electrode is characterized in: the whole rectangular recess degree of depth is 0.01-2mm, and width is 0.5-5mm.
The welding method that the utility model explosion-proof membrane on cover plate of power lithium ion battery electrode adopts, be that cover plate and rupture pressure disc are fixed together, be characterized in: cover plate and rupture pressure disc add man-hour, on the cover board make earlier groove, in groove, place braze, adopt soldering cover plate and the rupture pressure disc structure that is welded into a whole.
Described explosion-proof membrane on cover plate of power lithium ion battery electrode welding method is characterized in: the groove on the cover plate is processed into rectangular recess.
Described explosion-proof membrane on cover plate of power lithium ion battery electrode welding method is characterized in: rectangular recess adopts impact style to make.
Described explosion-proof membrane on cover plate of power lithium ion battery electrode welding method is characterized in: placing braze in the groove is circular pricker solder stick.
Advantage and the good effect that the utlity model has are: explosion-proof membrane on cover plate of power lithium ion battery electrode is owing to adopted the utility model brand-new technology scheme; compared with prior art; solving existing rupture pressure disc contacts insecure with cover plate; rupture pressure disc easily is punctured; and technical problem such as complex process, production cost height, production efficiency be low; has the technology novelty; easy to process, simple in structure, contact firmly; solder side is planar structure; smooth no knurl thorn, rupture pressure disc protects, and battery life is long; the safe class height, advantage such as applied widely.
Description of drawings
Fig. 1 is the cover plate of power lithium ion battery electrode structural representation; Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1; Fig. 3 is the explosion-proof membrane on cover plate of power lithium ion battery electrode structural representation; Fig. 4 is the B-B sectional structure schematic diagram of Fig. 3.
Among the figure, 1. cover plate, 2. groove, 3. explosionproof hole, 4. rupture pressure disc, 5. pricker solder stick material.
Embodiment
For further understanding utility model content of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows: consult accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 4.
1 one kinds of explosion-proof membrane on cover plate of power lithium ion battery electrode of embodiment comprise rectangle cover plate 1 and rupture pressure disc 4, and rectangle cover plate 1 is provided with rectangle explosionproof hole 3, its rectangle cover plate 1 is provided with rupture pressure disc 4 at explosionproof hole 3 places, rectangular recess 2 is arranged on the rectangle cover plate 1, and groove 2 degree of depth are 0.02mm, and width is 2mm.Cover plate and rupture pressure disc welding pricker solder stick material 5 is arranged in the groove 2, and cover plate and rupture pressure disc are that brazing mode links together.
The welding method of embodiment 2 embodiment 1 explosion-proof membrane on cover plate of power lithium ion battery electrode is fixed together cover plate and rupture pressure disc.Cover plate and rupture pressure disc add man-hour, and rectangular recess is made in punching press on the cover board earlier, place circular pricker solder stick braze in groove, adopt soldering with cover plate and the rupture pressure disc structure that is welded into a whole.
This explosion-proof membrane on cover plate of power lithium ion battery electrode has new technology, and is easy to process, simple in structure, contact firmly, solder side is planar structure, smooth no knurl thorn, rupture pressure disc protects, battery life is long, safe class height, the advantage such as applied widely.
Claims (4)
1. explosion-proof membrane on cover plate of power lithium ion battery electrode, comprise cover plate and rupture pressure disc, cover plate is provided with explosionproof hole, it is characterized in that: cover plate is provided with rupture pressure disc at the explosionproof hole place, fluted on the cover plate, cover plate and rupture pressure disc welding braze is arranged in the groove, and cover plate and rupture pressure disc are that brazing mode links together.
2. explosion-proof membrane on cover plate of power lithium ion battery electrode according to claim 1 is characterized in that: cover plate is a rectangular configuration.
3. explosion-proof membrane on cover plate of power lithium ion battery electrode according to claim 1 and 2 is characterized in that: the groove at cover plate explosionproof hole place is a rectangular recess.
4. explosion-proof membrane on cover plate of power lithium ion battery electrode according to claim 3 is characterized in that: the whole rectangular recess degree of depth is 0.01-2mm, and width is 0.5-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201605634U CN201638879U (en) | 2010-04-13 | 2010-04-13 | Power lithium battery electrode cover plate anti-explosion membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201605634U CN201638879U (en) | 2010-04-13 | 2010-04-13 | Power lithium battery electrode cover plate anti-explosion membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638879U true CN201638879U (en) | 2010-11-17 |
Family
ID=43083383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201605634U Expired - Fee Related CN201638879U (en) | 2010-04-13 | 2010-04-13 | Power lithium battery electrode cover plate anti-explosion membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800299A (en) * | 2010-04-13 | 2010-08-11 | 天津三合意电子有限公司 | Explosion-proof membrane on cover plate of power lithium ion battery electrode and welding method thereof |
| CN102569679A (en) * | 2011-12-30 | 2012-07-11 | 丁振荣 | Battery core, battery and method for sealing and fixing electrode and cap of battery |
-
2010
- 2010-04-13 CN CN2010201605634U patent/CN201638879U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800299A (en) * | 2010-04-13 | 2010-08-11 | 天津三合意电子有限公司 | Explosion-proof membrane on cover plate of power lithium ion battery electrode and welding method thereof |
| CN102569679A (en) * | 2011-12-30 | 2012-07-11 | 丁振荣 | Battery core, battery and method for sealing and fixing electrode and cap of battery |
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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 |
Granted publication date: 20101117 Termination date: 20160413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |