Solid polymer electrolyte membrane, solid polymer electrolyte fuel cell using the membrane and method of fabricating the same
US7011905B2 · kind B2 · utility
6Cited by
2References
22Claims
0Family size
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Key dates
| Filing date | Dec 6, 2004 |
| Grant date | Mar 14, 2006 |
| Priority date | — |
| Expiry date | Dec 6, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53135
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A solid polymer electrolyte membrane and a catalytic layer are properly assembled even when the solid polymer electrolyte membrane and an ion exchange resin in the catalytic layer are formed of different materials. In a fuel cell, a solid polymer electrolyte membrane 20 is provided with a first solid polymer electrolyte membrane 200, and second solid polymer electrolyte membranes 202 and 204 provided at respective sides thereof. The second solid polymer electrolyte membranes 202 and 204 are formed of the same material as the ion exchange resin (not shown) included in a catalytic layer 26 and a catalytic layer 30.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.