Nonaqueous electrolytic solution for lithium secondary battery and lithium secondary battery using the same
US8163427B2 · kind B2 · utility
3Cited by
2References
7Claims
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Key dates
| Filing date | Jul 16, 2004 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Jul 22, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A non-aqueous electrolytic solution is advantageously used in preparation of a lithium secondary battery excellent in cycle characteristics. In the non-aqueous electrolytic solution for a lithium secondary battery, an electrolyte salt is dissolved in a non-aqueous solvent. The non-aqueous electrolytic solution further contains a vinylene carbonate compound in an amount of 0.01 to 10 wt. %, and an alkyne compound in an amount of 0.01 to 10 wt. %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.