Superbase-derived protic ionic liquids
US8524388B2 · kind B2 · utility
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48Claims
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Key dates
| Filing date | Jan 20, 2010 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | Feb 10, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Protic ionic liquids having a composition of formula (A−)(BH+) wherein A− is a conjugate base of an acid HA, and BH+ is a conjugate acid of a superbase B. In particular embodiments, BH+ is selected from phosphazenium species and guanidinium species encompassed, respectively, by the general formulas:The invention is also directed to films and membranes containing these protic ionic liquids, with particular application as proton exchange membranes for fuel cells.
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