Solid polymer type fuel cell catalyst, solid polymer type fuel cell electrode, and fuel cell
US8999606B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2009 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Oct 9, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention has as its object the provision of a solid polymer fuel cell catalyst exhibiting high durability and high power generation performance regardless of the humidification conditions or load conditions.The present invention relates to a solid polymer type fuel cell catalyst which is comprised of a carbon material which carries a catalyst ingredient, wherein the amount of adsorption of water vapor (V10) at 25° C. and a relative humidity of 10% of the carbon material is 2 ml/g or less and the amount of adsorption of water vapor (V90) at 25° C. and a relative humidity of 90% of the carbon material is 400 ml/g or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.