Finely particulated colloidal platinum compound and sol for producing the same and method of preparation of fuel cell electrodes and the like employing the same
USRE33149E · kind E · reissue
16Cited by
11References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1981 |
| Grant date | Jan 16, 1990 |
| Priority date | — |
| Expiry date | Dec 28, 2001 |
Classification
- Technology area (CPC —)General
Abstract
This disclosure deals with novel very fine, particulated colloidal platinum of the 15-25 Angstrom size range of unusual catalytic activity and particularly adapted for adsorption or other deposition upon carbon for use as fuel cell catalytic electrodes and the like and produced from platinum colloids and sols including complex platinum sulfite compounds and sols derived therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.