CN203165979U - Explosion-proof lithium ion battery - Google Patents
Explosion-proof lithium ion battery Download PDFInfo
- Publication number
- CN203165979U CN203165979U CN2013200270016U CN201320027001U CN203165979U CN 203165979 U CN203165979 U CN 203165979U CN 2013200270016 U CN2013200270016 U CN 2013200270016U CN 201320027001 U CN201320027001 U CN 201320027001U CN 203165979 U CN203165979 U CN 203165979U
- Authority
- CN
- China
- Prior art keywords
- explosion
- lithium ion
- battery
- ion battery
- utility
- 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
Abstract
The utility model relates to an explosion-proof lithium ion battery which comprises a battery case and a connecting box cover covered on the upper surface of the battery case, wherein the bottom of the battery case is provided with an explosion-proof device; the explosion-proof device comprises a concave ring and an explosion-proof film; the explosion-proof film is positioned on the inner surface of the concave ring; and the center of the concave ring is provided with a through hole. According to the utility model, the explosion-proof device is compact in structure and simple in manufacturing technique; and when the inner pressure is increased in case of the failure of the battery, the explosion-proof film is less prone to damage, thus ensuring the use safety.
Description
Technical field
The utility model relates to lithium ion battery, is specially a kind of explosion-proof lithium ion battery.
Background technology
At present, along with the continuous development of lithium ion battery, the continuous appearance of lithium battery new material, the high-capacity lithium-ion power battery technology is day by day ripe.Lithium ion battery is a kind of voltage height, high-specific energy battery capacious.The power of battery is big, when the user use battery-operated not at that time, as can discharging in the short period of time at the energy that is subjected to severe impact or accidental short circuit, battery, thereby cause blast.For preventing lithium ion battery explosion, guarantee the use safety of battery, the position at battery cover board in the prior art arranges rupture pressure disc, but rupture pressure disc in use breaks easily, causes the ejection of inside battery electrolyte, easily the user is damaged.
The utility model content
The technical problem that the utility model solves is to provide a kind of explosion-proof lithium ion battery, to solve the shortcoming in the above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
Explosion-proof lithium ion battery, comprise battery case, cover the connection lid at the battery case upper surface, the bottom of described battery case is provided with explosion-protection equipment, and described explosion-protection equipment comprises spill ring, rupture pressure disc, described rupture pressure disc is positioned at the inner surface of described spill ring, and the central authorities of described spill ring are provided with through hole.
In the utility model, the side of described battery case is provided with relief hole.
Beneficial effect
The utility model explosion-protection equipment compact conformation, manufacturing process is simple, and when pressing increase in the battery failure, rupture pressure disc is cracky not, has guaranteed use safety.
Description of drawings
Fig. 1 is the structure chart of explosion-proof lithium ion battery.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, the structure chart of explosion-proof lithium ion battery, explosion-proof lithium ion battery, comprise battery case 2, cover the connection lid 1 at battery case 2 upper surfaces, the bottom of described battery case 2 is provided with explosion-protection equipment, described explosion-protection equipment comprises spill ring 5, rupture pressure disc 3, and described rupture pressure disc 3 is positioned at the inner surface of described spill ring 5, and the central authorities of described spill ring are provided with through hole 4.
In the utility model, the side of described battery case is provided with relief hole, filling electrolyte 6 in the shell.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model; the technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. explosion-proof lithium ion battery, comprise battery case, cover the connection lid at the battery case upper surface, it is characterized in that, the bottom of described battery case is provided with explosion-protection equipment, described explosion-protection equipment comprises spill ring, rupture pressure disc, described rupture pressure disc is positioned at the inner surface of described spill ring, and the central authorities of described spill ring are provided with through hole.
2. explosion-proof lithium ion battery according to claim 1 is characterized in that, the side of described battery case is provided with relief hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200270016U CN203165979U (en) | 2013-01-18 | 2013-01-18 | Explosion-proof lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200270016U CN203165979U (en) | 2013-01-18 | 2013-01-18 | Explosion-proof lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203165979U true CN203165979U (en) | 2013-08-28 |
Family
ID=49027142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200270016U Expired - Fee Related CN203165979U (en) | 2013-01-18 | 2013-01-18 | Explosion-proof lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203165979U (en) |
-
2013
- 2013-01-18 CN CN2013200270016U patent/CN203165979U/en not_active Expired - Fee Related
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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: 20130828 Termination date: 20150118 |
|
| EXPY | Termination of patent right or utility model |