Production process of difluorophosphate, nonaqueous electrolytic solution and nonaqueous electrolytic secondary battery
US8293411B2 · kind B2 · utility
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Key dates
| Filing date | Dec 1, 2009 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Dec 1, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
To provide a technique for simply and easily producing a high-purity difluorophosphate and provide a production process of an electrolytic solution using the obtained difluorophosphate, an electrolytic solution and a secondary battery.A process for producing a difluorophosphate, comprising the following step (1) or (2): Also, a nonaqueous electrolytic solution containing the obtained difluorophosphate, and a nonaqueous electrolytic secondary battery containing the nonaqueous electrolytic solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.