Platinum-copper-tungsten fuel cell catalyst
US7422994B2 · kind B2 · utility
5Cited by
43References
31Claims
0Family size
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Key dates
| Filing date | Dec 21, 2005 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Oct 25, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, copper and tungsten, or an oxide, carbide and/or salt of one or more of platinum, copper and tungsten, wherein the sum of the concentrations of platinum, copper and tungsten, or an oxide, carbide and/or salt thereof, is greater than 90 atomic percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.