Fuel cell
US4493879A · kind A · utility
4Cited by
10References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 11, 1982 |
| Grant date | Jan 15, 1985 |
| Priority date | — |
| Expiry date | Mar 11, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell comprising a pair of gas diffusion electrodes, an electrolyte retaining matrix disposed between said gas diffusion electrodes, and a phosphoric acid electrolyte disposed within said matrix, characterized by using as matrix that comprising one or more metal oxides having electronic insulation and insolubility in phosphoric acid and a binder is excellent in phosphoric acid retaining ability and can be used for a long period of time without degradation of the performance of fuel cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.