Ternary fuel cell catalyst containing platinum and gallium
US4806515A · kind A · utility
25Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1987 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Nov 16, 2007 |
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.