Lithium secondary battery
US6632572B1 · kind B1 · utility
29Cited by
4References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 30, 2000 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | Jun 30, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium secondary battery including an electrode assembly composed of positive and negative electrode plates wound up spirally with a separator and disposed in a cell casing filled with electrolyte containing lithium salt dissolved in organic solvent wherein the cell casing is provided with a current interrupt device for cutting off a charge current of the battery when an internal gas pressure of the battery exceeds a predetermined value, and wherein the organic solvent contains aklylbenzene derivative or cycloalkylbenzene derivative having tertiary carbon adjacent a phenyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.