Fuel cell and fuel cell use gas diffusion electrode
US9786925B2 · kind B2 · utility
0Cited by
9References
26Claims
0Family size
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Key dates
| Filing date | Apr 22, 2005 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Jun 14, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell comprised of a proton conductive electrolyte film sandwiched between a pair of catalyst layers, wherein the catalyst layer of at least the cathode is comprised of a mixture including a catalyst ingredient, an electrolytic material, and a carbon material, the carbon material is comprised of a catalyst-carrying carbon material carrying the catalyst ingredient and a gas-diffusing carbon material not carrying the catalyst ingredient, and the catalyst-carrying carbon material has an amount of adsorption of water vapor at 25° C. and a relative humidity of 90% of 50 ml/g or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.