Fuel cell stack
US10297811B2 · kind B2 · utility
1Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2017 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Nov 20, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a fuel cell stack having a plurality of bipolar plates aligned in a stack between a pair of bipolar plates wherein each of the bipolar plates includes an outer bead having an interior cavity; and an inner bead having a trough wherein the inner bead extends into the interior cavity of the outer bead. The trough of the inner bead may be at least about 50% filled with an elastomeric seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.