Fuel cell having metalized gas diffusion layer
US6716549B2 · kind B2 · utility
14Cited by
46References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2001 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Dec 27, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell is described and which includes an ion exchange membrane; an electrode positioned in ion exchanging relation relative to the ion exchange membrane; a gas diffusion layer borne by the electrode and having an outwardly facing surface; a porous metal coating comprising one or more elements selected from the periodic table of elements and which has an atomic number of less than 75, and which is positioned at least in partial covering relation relative to the outwardly facing surface of the gas diffusion layer; and a current collector forcibly disposed in ohmic electrical contact with the porous metal coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.