Double-center quaternary ammonium salt ion liquid, preparation method therefor and use thereof
US9202632B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Aug 30, 2011 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Mar 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A double-center quaternary ammonium salt ion liquid having the structural formula (I), wherein n=2, 3 or 6, Y− is BF4−, PF6−, (FSO2)2N−, (CF3SO2)2N− or CF3S3−. Also provided is a method for preparing a double-center quaternary ammonium salt ion liquid. The double-center quaternary ammonium salt ion liquid has high stability, and thus an electrolyte containing the double center quaternary ammonium salt ion liquid has a high decomposition voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.