Catalyst for fuel cell, method for preparing the same, and membrane-electrode assembly and fuel cell system comprising same
US9120087B2 · kind B2 · utility
1Cited by
5References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 28, 2005 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Jun 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention includes a catalyst for a fuel cell which contains a transition element core, and a surface layer that contains at least one selected from the group including platinum, a platinum-transition element alloy, and a combination thereof, and that exists on the surface of the core. The catalyst being prepared without a surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.