Multi-material high temperature fuel cell seals
US7931997B2 · kind B2 · utility
8Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2009 |
| Grant date | Apr 26, 2011 |
| Priority date | — |
| Expiry date | Mar 10, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4911
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell stack includes a plurality of fuel cells, a plurality of interconnects and a multi-material seal comprising a first seal material and a second seal material, where the second seal material first forms an effective seal at a higher temperature than the first seal material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.