Electrolytic solution
US8329344B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2006 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Dec 22, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is provided an electrolytic solution which has excellent flame retardance, low temperature characteristics and withstand voltage, high solubility of an electrolyte salt and excellent compatibility with hydrocarbon solvents, and comprises a chain carbonate (I) and an electrolyte salt (II), and the chain carbonate (I) is represented by the formula (I):wherein Rf1 is a fluorine-containing alkyl group having a fluorine content of 10 to 76% by mass and having, at its end, a moiety represented by the formula (Ia):(HCX1X2 (Ia)wherein X1 and X2 are the same or different and each is H or F; Rf2 is a fluorine-containing alkyl group having a fluorine content of 10 to 76% by mass and having, at its end, —CF3 or the moiety represented by the above-mentioned formula (Ia).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.