Electrolytic solution for nonaqueous electrolytic solution secondary batteries and nonaqueous electrolytic solution secondary battery
US11114693B2 · kind B2 · utility
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Key dates
| Filing date | Jun 27, 2016 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Aug 30, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A nonaqueous electrolytic solution contains a nonaqueous solvent and an electrolyte dissolved in the solvent. The solution includes a difluoro ionic complex (1-Cis) in a cis conformation represented by the formula (1-Cis), and at least one of cyclic sulfonic acid ester, cyclic sulfonic acid ester having an unsaturated bond, cyclic sulfuric acid ester, cyclic disulfonic acid ester, chain disulfonic acid ester, cyclic disulfonic acid anhydride, nitrile group-containing compound, silyl phosphate ester derivative, and silyl borate ester derivative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.