Electrolytic solution for secondary battery, secondary battery, battery pack, electrically driven vehicle, power storage system, electrically driven tool, and electronic device
US11024882B2 · kind B2 · utility
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Key dates
| Filing date | Apr 10, 2019 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | May 22, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution including at least one of sulfonyl compounds expressed by R(—S(═O)2—Rf)n, where R represents an n-valent hydrocarbon group including one or two or more aliphatic hydrocarbon rings, Rf includes one of a halogen group and a monovalent halogenated hydrocarbon group, n is an integer greater than or equal to 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.