Platinum and tungsten containing electrocatalysts
US7718309B2 · kind B2 · utility
0Cited by
21References
20Claims
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Key dates
| Filing date | Dec 6, 2004 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | Oct 19, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/948
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present teachings are directed toward electrocatalyst composition of an alloy of platinum and tungsten for use in fuel cells. The alloy consists essentially of platinum metal present in an atomic percentage ranging between about 20 percent and about 50 percent, and tungsten metal present in an atomic percentage ranging between about 50 percent and about 80 percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.