Lithium secondary battery and fabrication method thereof
US7927734B2 · kind B2 · utility
0Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2003 |
| Grant date | Apr 19, 2011 |
| Priority date | — |
| Expiry date | Sep 23, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4911
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium secondary battery which includes a battery unit having a positive electrode plate, a negative electrode plate and a separator interposed therebetween. A can accommodates the battery unit, and a reinforcing means is disposed above the can to increase a thickness of the can. A cap assembly is joined to an upper end of the can and the cap assembly has a cap cover and a safety means. The cap assembly is insulated from the can by a gasket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.