Electrolyte for lithium ion secondary battery and lithium ion secondary battery comprising the same
US7879499B2 · kind B2 · utility
3Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2009 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Aug 13, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrolyte for a lithium ion secondary battery includes a non-aqueous organic solvent; lithium salt; and difluoro oxalato borate and fluoro ethylene carbonate (FEC). The capacity retention property and durability of a lithium ion secondary battery including the electrolyte is excellent even when the battery is left at a high temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.