Platinum-chromium-copper/nickel fuel cell catalyst
US7662740B2 · kind B2 · utility
10Cited by
22References
26Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 3, 2004 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Feb 25, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell catalyst comprising platinum, chromium, and copper, nickel or a combination thereof. In one or more embodiments, the concentration of platinum is less than 50 atomic percent, and/or the concentration of chromium is less than 30 atomic percent, and/or the concentration of copper, nickel, or a combination thereof is at least 35 atomic percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.