CN203721794U - Anti-explosion power lithium battery shell - Google Patents
Anti-explosion power lithium battery shell Download PDFInfo
- Publication number
- CN203721794U CN203721794U CN201420009381.5U CN201420009381U CN203721794U CN 203721794 U CN203721794 U CN 203721794U CN 201420009381 U CN201420009381 U CN 201420009381U CN 203721794 U CN203721794 U CN 203721794U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- explosion
- lithium battery
- seal washer
- battery shell
- 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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- 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 discloses an anti-explosion power lithium battery shell. The anti-explosion power lithium battery shell comprises a shell body, a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate are arranged at two ends of the shell body; a first sealing washer and a second sealing washer are respectively arranged in the middles of the front surfaces of the first cover plate and the second cover plate; a third sealing washer and a fourth sealing washer are respectively arranged in the middles of the back surfaces of the first cover plate and the second cover plate; a positive electrode column and an anti-explosion film are further arranged on the front surface of the first cover plate; a negative electrode column is further arranged on the front surface of the second cover plate; the positive electrode column and the negative electrode column are respectively arranged at the upper parts of the first sealing washer and the second sealing washer. According to the anti-explosion power lithium battery shell provided by the utility model, the positive electrode column and the anti-explosion film are arranged on the front surface of the first cover plate, and the negative electrode column is arranged on the front surface of the second cover plate, so that the valve opening pressure is reduced, the anti-explosion sensitivity of instant valve opening is improved, and the battery cover plates have a good anti-explosion effect.
Description
Technical field
The utility model relates to the field of battery, particularly relates to a kind of explosion-proof dynamic lithium battery shell.
Background technology
Power lithium-ion battery is the power supply that power resources are provided, and refers to provide for electric automobile, electric train, electric bicycle, golf cart the storage battery of power more.Electrokinetic cell generally adopts aluminum hull encapsulation, has that volume is little, lightweight, electric weight is strong, a feature such as memoryless and environmental protection, is widely used at present.
Because power lithium-ion battery is hermetically-sealed construction after battery cover board and aluminum hull welding, when battery is short-circuited, air pressure inside can increase rapidly, and the danger of battery explosion easily occurs.Prior art is used explosion-proof line as the explosive-proof protector of battery mostly, and explosion-proof performance is difficult to guarantee.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of explosion-proof dynamic lithium battery shell, the front of the first cover plate is provided with Positive Poles and rupture pressure disc, the front of the second cover plate is provided with negative pole pole, cracking pressure is reduced, improved the explosion-proof sensitivity that moment drives valve, made its battery cover board reach good explosion-proof effect.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of explosion-proof dynamic lithium battery shell is provided, the first cover plate and the second cover plate that comprise housing and be arranged on housing two ends, the front of the first described cover plate and the positive centre position of the second cover plate are respectively arranged with the first seal washer and the second seal washer, the centre position of the reverse side of the first described cover plate and the reverse side of the second cover plate is respectively arranged with the 3rd seal washer and the 4th seal washer, the front of the first described cover plate is also provided with Positive Poles and rupture pressure disc, the front of the second described cover plate is also provided with negative pole pole, described Positive Poles and negative pole pole are arranged on respectively the top of the first seal washer and the second seal washer.
In preferred embodiment of the utility model, described housing is hollow cylinder, and the material of described housing is aluminium.
In preferred embodiment of the utility model, the size that the first described cover plate and the second cover plate are circular configuration and housing two ends matches.
In preferred embodiment of the utility model, the first described cover plate and the second cover plate material are aluminium, and its thickness is 1mm.
In preferred embodiment of the utility model, the material of described the first described seal washer, the second seal washer, the 3rd seal washer and the 4th seal washer is PFA, and its thickness is 0.3-0.6mm.In preferred embodiment of the utility model, the material of described Positive Poles is aluminium.
In preferred embodiment of the utility model, the material of described negative pole pole is red copper nickel plating.
In preferred embodiment of the utility model, described Positive Poles is connected with the second cover plate with the first cover plate respectively by nut with negative pole pole.
In preferred embodiment of the utility model, the pure aluminum foil that described rupture pressure disc is ellipsoidal structure, its thickness is 0.4mm.
The beneficial effects of the utility model are: explosion-proof dynamic lithium battery shell of the present utility model, the front of the first cover plate is provided with Positive Poles and rupture pressure disc, the front of the second cover plate is provided with negative pole pole, cracking pressure is reduced, improved the explosion-proof sensitivity that moment drives valve, made its battery cover board reach good explosion-proof effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the side structure schematic diagram of explosion-proof dynamic lithium battery shell one preferred embodiment of the present utility model;
Fig. 2 is the structural representation in the first cover plate front in Fig. 1;
Fig. 3 is the structural representation of the first cover plate reverse side in Fig. 1;
Fig. 4 is the structural representation in the second cover plate front in Fig. 1;
Fig. 5 is the structural representation of the second cover plate reverse side in Fig. 1;
Being labeled as in accompanying drawing: 1, the first cover plate, the 2, second cover plate, 3, housing, the 4, first seal washer, the 5, second seal washer, the 6, the 3rd seal washer, the 7, the 4th seal washer, 8, Positive Poles, 9, negative pole pole, 10, rupture pressure disc, 11, nut.
Embodiment
Below the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-5, the utility model embodiment comprises:
A kind of explosion-proof dynamic lithium battery shell, the first cover plate 1 and the second cover plate 2 that comprise housing 3 and be arranged on housing 3 two ends, the positive centre position of the front of the first described cover plate 1 and the second cover plate 2 is respectively arranged with the first seal washer 4 and the second seal washer 5, the centre position of the reverse side of the first described cover plate 1 and the reverse side of the second cover plate 2 is respectively arranged with the 3rd seal washer 6 and the 4th seal washer 7, the front of the first described cover plate 1 is also provided with Positive Poles 8 and rupture pressure disc 10, the front of the second described cover plate 2 is also provided with negative pole pole 9, described Positive Poles 8 and negative pole pole 9 are arranged on respectively the top of the first seal washer 4 and the second seal washer 5.
The material of described the first seal washer 4, the second seal washer 5, the 3rd seal washer 6 and the 4th seal washer 7 is PFA, and its thickness is 0.3-0.6mm.Wherein, the first described seal washer 4 and the shape of the second seal washer 5 are all circle mutually, and the 3rd described seal washer 6 and the shape of the 4th seal washer 7 are all square mutually.
In above-mentioned, described housing 3 is hollow cylinder, and the material of described housing 3 is aluminium; The size that the first described cover plate 1 and the second cover plate 2 are circular configuration and housing 1 two ends matches.Wherein, the first described cover plate and the second cover plate material are aluminium, and its thickness is 1mm.
Further, the material of described Positive Poles 8 is aluminium; The material of described negative pole pole 9 is red copper nickel plating.Wherein, described Positive Poles 8 is connected with the second cover plate 2 with the first cover plate 1 respectively by nut 11 with negative pole pole 9.
Further, the rupture pressure disc 10 that the front of the first described cover plate 1 is also provided with described in Positive Poles 8 and rupture pressure disc 10 is the pure aluminum foil of ellipsoidal structure, and its thickness is 0.4mm; Its fracture pressure is controlled at 0.6 ± 0.2Mpa.
The explosion-proof dynamic lithium battery shell that the utility model discloses, the front of the first cover plate 1 is provided with Positive Poles 8 and rupture pressure disc 10, the front of the second cover plate 2 is provided with negative pole pole 9, cracking pressure is reduced, improved the explosion-proof sensitivity that moment drives valve, made its battery cover board reach good explosion-proof effect.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. an explosion-proof dynamic lithium battery shell, it is characterized in that, the first cover plate and the second cover plate that comprise housing and be arranged on housing two ends, the front of the first described cover plate and the positive centre position of the second cover plate are respectively arranged with the first seal washer and the second seal washer, the centre position of the reverse side of the first described cover plate and the reverse side of the second cover plate is respectively arranged with the 3rd seal washer and the 4th seal washer, the front of the first described cover plate is also provided with Positive Poles and rupture pressure disc, the front of the second described cover plate is also provided with negative pole pole, described Positive Poles and negative pole pole are arranged on respectively the top of the first seal washer and the second seal washer.
2. explosion-proof dynamic lithium battery shell according to claim 1, is characterized in that, described housing is hollow cylinder, and the material of described housing is aluminium.
3. explosion-proof dynamic lithium battery shell according to claim 1, is characterized in that, the size that the first described cover plate and the second cover plate are circular configuration and housing two ends matches.
4. explosion-proof dynamic lithium battery shell according to claim 1, is characterized in that, the first described cover plate and the second cover plate material are aluminium, and its thickness is 1mm.
5. explosion-proof dynamic lithium battery shell according to claim 1, is characterized in that, the material of the first described seal washer, the second seal washer, the 3rd seal washer and the 4th seal washer is PFA, and its thickness is 0.3-0.6mm.
6. explosion-proof dynamic lithium battery shell according to claim 1, is characterized in that, the material of described Positive Poles is aluminium.
7. explosion-proof dynamic lithium battery shell according to claim 1, is characterized in that, the material of described negative pole pole is red copper nickel plating.
8. explosion-proof dynamic lithium battery shell according to claim 1, is characterized in that, described Positive Poles is connected with the second cover plate with the first cover plate respectively by nut with negative pole pole.
9. explosion-proof dynamic lithium battery shell according to claim 1, is characterized in that, the pure aluminum foil that described rupture pressure disc is ellipsoidal structure, and its thickness is 0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009381.5U CN203721794U (en) | 2014-01-08 | 2014-01-08 | Anti-explosion power lithium battery shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009381.5U CN203721794U (en) | 2014-01-08 | 2014-01-08 | Anti-explosion power lithium battery shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721794U true CN203721794U (en) | 2014-07-16 |
Family
ID=51160926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420009381.5U Expired - Fee Related CN203721794U (en) | 2014-01-08 | 2014-01-08 | Anti-explosion power lithium battery shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721794U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870364A (en) * | 2016-04-28 | 2016-08-17 | 常熟高嘉能源科技有限公司 | Negative electrode lithium battery cover plate |
| CN106025112A (en) * | 2016-04-28 | 2016-10-12 | 常熟高嘉能源科技有限公司 | Positive electrode lithium battery cover plate |
-
2014
- 2014-01-08 CN CN201420009381.5U patent/CN203721794U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870364A (en) * | 2016-04-28 | 2016-08-17 | 常熟高嘉能源科技有限公司 | Negative electrode lithium battery cover plate |
| CN106025112A (en) * | 2016-04-28 | 2016-10-12 | 常熟高嘉能源科技有限公司 | Positive electrode lithium battery cover plate |
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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: 20140716 Termination date: 20190108 |