Ternary fuel cell catalyst containing platinum and gallium
US4880711A · kind A · utility
22Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1988 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Oct 19, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J23/62
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved ternary alloy catalyst for fuel cells containing platinum and gallium. The method of fabricating the catalyst in a high surface area supportive form is also described. The resultant fuel cell catalyst displays a substantial resistance to sintering during operation combined with a resistance to a chemical dissolution during operation. These enhancements permit improved long-term operation of fuel cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.