CN202585612U - Novel sealing structure of lithium-ion battery - Google Patents
Novel sealing structure of lithium-ion battery Download PDFInfo
- Publication number
- CN202585612U CN202585612U CN2012202335947U CN201220233594U CN202585612U CN 202585612 U CN202585612 U CN 202585612U CN 2012202335947 U CN2012202335947 U CN 2012202335947U CN 201220233594 U CN201220233594 U CN 201220233594U CN 202585612 U CN202585612 U CN 202585612U
- Authority
- CN
- China
- Prior art keywords
- ion battery
- liquid
- injection hole
- lithium
- aluminum 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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a novel sealing structure of a lithium-ion battery. The lithium-ion battery comprises an aluminum shell and a battery core which is arranged inside the aluminum shell. The sealing structure of the lithium-ion battery comprises a liquid-injection hole arranged at the bottom of the aluminum shell and a steel bead used to seal the liquid-injection hole. The liquid-injection hole is arranged at the bottom of the aluminum shell, liquid is injected into the aluminum shell through the liquid-injection hole, so that the head portion of the battery core and welding gas are avoided. In the process of production inspection, if the battery core leaks liquid, the position of leakage can be judged at once, so that whether the battery is reworked or discarded can be determined. In addition, if a short circuit occurs, whether the short circuit is caused by the leakage of battery core or other reasons can be determined quickly as well, and therefore dubious judgments that the battery core leaks can be greatly reduced, and the pass rate of products is improved.
Description
Technical field
The utility model relates to lithium ion battery, particularly relates to the enclosuring structure of lithium ion battery.
Background technology
As shown in Figure 1, existing liquid aluminium case lithium ion battery all is on the cover board to punch 1, from this hole 1 toward aluminum hull in fluid injection, and then seal through physical method with steel ball 2.There is following drawback in such mode: because welding leads to the positive and negative ear utmost point on the cover plate; Comparatively speaking, short risk is bigger, and electric core leakage meeting causes aluminum hull and wiring board corrosion; Aluminum hull and wiring board corrosion also can cause short circuit; Thereby when being short-circuited, the reason of bad judgement short circuit is so just cause the erroneous judgement of a lot of doubtful leakage electricity cores.
The utility model content
The purpose of the utility model is to overcome the deficiency of present technology, and a kind of new type lithium ion battery enclosuring structure is provided, and this enclosuring structure can significantly reduce the erroneous judgement of doubtful leakage electricity core.
For realizing above-mentioned purpose, the technical scheme that the utility model adopted is:
A kind of new type lithium ion battery enclosuring structure, said lithium ion battery comprise an aluminum hull, are arranged at the electric core in the aluminum hull, and said lithium ion battery enclosuring structure comprises that one is opened in the liquid injection hole of aluminum hull bottom and the steel ball that is used to seal said liquid injection hole.
The beneficial effect of the utility model is: offer liquid injection hole in aluminum hull bottom, through liquid injection hole fluid injection in the aluminum hull, thereby can avoid electric core head and weld seam; So, in the production testing process, if electric core leakage takes place; Can judge the leakage position rapidly, thereby definite battery is done over again or is scrapped; In addition,, also can confirm to be that electric core leakage causes or other reasons causes very soon, thereby can significantly reduce the judgement of doubtful leakage electricity core, improve product percent of pass if be short-circuited.
Description of drawings
Fig. 1 is a known technology lithium ion battery sketch map;
Fig. 2 is the utility model lithium ion battery sketch map.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 2; The utility model lithium ion battery comprises an aluminum hull 3, is arranged at the electric core (figure does not show) in the aluminum hull 3, and the utility model lithium ion battery enclosuring structure comprises the steel ball 5 that is opened in the liquid injection hole 4 of aluminum hull 3 bottoms and is used to seal said liquid injection hole 4.
Offer liquid injection hole 4 in aluminum hull 3 bottoms, fluid injection in liquid injection hole 4 past aluminum hulls 3, thus can avoid electric core head and weld seam (weld seam of cover plate and the welding of positive and negative lug, figure does not show).So, in the production testing process,, can judge the leakage position rapidly, thereby definite battery is done over again or is scrapped if electric core leakage takes place; In addition,, also can confirm to be that electric core leakage causes or other reasons causes very soon, thereby can significantly reduce the judgement of doubtful leakage electricity core, improve product percent of pass if be short-circuited.
Claims (1)
1. new type lithium ion battery enclosuring structure; Said lithium ion battery comprises an aluminum hull, is arranged at the electric core in the aluminum hull, it is characterized in that: said lithium ion battery enclosuring structure comprises that one is opened in the liquid injection hole of aluminum hull bottom and the steel ball that is used to seal said liquid injection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202335947U CN202585612U (en) | 2012-05-23 | 2012-05-23 | Novel sealing structure of lithium-ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202335947U CN202585612U (en) | 2012-05-23 | 2012-05-23 | Novel sealing structure of lithium-ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585612U true CN202585612U (en) | 2012-12-05 |
Family
ID=47254990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202335947U Expired - Fee Related CN202585612U (en) | 2012-05-23 | 2012-05-23 | Novel sealing structure of lithium-ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202585612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016178725A1 (en) * | 2015-05-05 | 2016-11-10 | Johnson Controls Technology Company | Sealing patch for electrolyte fill hole |
-
2012
- 2012-05-23 CN CN2012202335947U patent/CN202585612U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016178725A1 (en) * | 2015-05-05 | 2016-11-10 | Johnson Controls Technology Company | Sealing patch for electrolyte fill hole |
| US10396343B2 (en) | 2015-05-05 | 2019-08-27 | Cps Technology Holdings Llc | Sealing patch for electrolyte fill hole |
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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: 20121205 Termination date: 20160523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |