Interfacial and edge seals for unitized electrode assemblies of fuel cell stack assembly
US6743542B2 · kind B2 · utility
12Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2002 |
| Grant date | Jun 1, 2004 |
| Priority date | — |
| Expiry date | Dec 26, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A unitized electrode assembly for a fuel cell stack assembly, includes a membrane electrode assembly having a first side, a second side, a peripheral edge area and a plurality of perforations along the peripheral edge area; a cathode substrate adjacent to the first side; an anode substrate adjacent to the second side; and a seal material bonding the cathode substrate to the anode substrate and extending through the plurality of perforations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.