Single phase ternary Pt-Ru-Os catalysts for direct oxidation fuel cells
US5856036A · kind A · utility
36Cited by
13References
6Claims
0Family size
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Key dates
| Filing date | Mar 11, 1997 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Mar 11, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A catalyst composition for use in electrochemical reactor devices comprising platinum, ruthenium, and osmium and having a single phase crystal structure comprising a face centered cubic unit cell. In accordance with a particularly preferred embodiment, in atomic percentages, platinum comprises about 65% of the catalyst composition, ruthenium comprises about 25% of the catalyst composition, and osmium comprises about 10% of the catalyst composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.