Direct oxidation fuel cell with a divided fuel tank having a movable barrier pressurized by anode effluent gas
US7413824B2 · kind B2 · utility
21Cited by
30References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2001 |
| Grant date | Aug 19, 2008 |
| Priority date | — |
| Expiry date | Feb 23, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides improved, low-cost fuel cells having reduced fuel crossover, reduced sensitivity to metal ion impurities and ability to operate under a broad range of temperatures. The invention further provides improved methods for catalyst preparation and a new integrated flow field system for use in H2/O2 fuel cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.