Cathode alloy electrocatalysts
US5079107A · kind A · utility
32Cited by
8References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 26, 1985 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | Sep 26, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Ternary alloy electrocatalysts comprising platinum and at least two less noble elements are described. The ternary alloy electrocatalysts when employed in the cathode of a fuel cell utilizing a phosphoric acid electrolyte provide improved oxygen activity and stability in comparison to unalloyed platinum. The cost of the electrocatalysts is also reduced in comparison to an unalloyed platinum electrocatalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.