Fuel cell stack
US10340533B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2015 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Jul 17, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell in a fuel cell stack is provided with a gas seal projection and a coolant seal projection projecting from at least one of two separators toward a membrane electrode assembly. The gas seal projection and the coolant seal projection are provided with recesses serving as coolant passages on the side opposite to the membrane electrode assembly. At least one of the gas seal projection and the coolant seal projection is provided with a resistance portion for suppressing a flow of a coolant out of a power generation portion cooling portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.