Fuel cell electrolyte membrane with basic polymer
US7838138B2 · kind B2 · utility
4Cited by
17References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2005 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Sep 23, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention is an electrolyte membrane comprising an acid and a basic polymer, where the acid is a low-volatile acid that is fluorinated and is either oligomeric or non-polymeric, and where the basic polymer is protonated by the acid and is stable to hydrolysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.