Electrolyte for lithium secondary battery and lithium secondary battery comprising same
US7491471B2 · kind B2 · utility
16Cited by
6References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2004 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | Jul 15, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrolyte for a lithium secondary battery which has a non-aqueous organic solvent including a γ-butyrolactone and optionally a cyclic carbonate, an ester compound having an electron withdrawing group, and at least two salts. The lithium secondary battery including the electrolyte has good safety and good storage characteristics at high temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.