Compact fuel cell with improved fluid supply
US7022430B2 · kind B2 · utility
10Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2003 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Feb 17, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell has a membrane electrode assembly and first and second metal sheet separators. The first metal sheet separator has a fuel gas passage defined on a surface thereof. The fuel gas passage has a plurality of embossed bodies projecting from the surface which faces the membrane electrode assembly, and pairs of guide ribs provided by joining two or more of the embossed bodies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.