Fuel cell and fuel cell stack
US11101470B2 · kind B2 · utility
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9Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 8, 2019 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Aug 30, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Oxygen-containing gas discharge passages are provided in a first metal separator of a fuel cell of a fuel cell stack. The oxygen-containing gas discharge passages include an upper oxygen-containing gas discharge passages and a lower oxygen-containing gas discharge passage. In the first metal separator, a central position at the center between the upper oxygen-containing gas discharge passage and the lower oxygen-containing gas discharge passage is positioned below the center of an oxygen-containing gas flow field in the gravity direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.