Lithium secondary battery
US9905887B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2013 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Apr 4, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49115
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a secondary battery cg a positive electrode capable of absorbing and releasing lithium, and a electrolyte solution containing a non-aqueous electrolytic solvent, wherein the positive electrode has a positive electrode active material which operates at 4.5 V or more relative to lithium, and wherein the non-aqueous electrolytic solvent contains a sulfone compound represented by a predetermined formula and a fluorinated ether compound represented by a predetermined formula.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.