Fuel cell stack and method for manufacturing fuel cell stack
US10665872B2 · kind B2 · utility
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1References
7Claims
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Key dates
| Filing date | Jun 7, 2016 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Oct 2, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell stack including a plurality of electricity generation units fastened by means of a plurality of fastening members. Each electricity generation unit includes a single cell, and a sealing member sandwiched between two other members thereby sealing one of the anode chamber and the cathode chamber. The surface of the sealing member included in at least one electricity generation units, the surface facing either of the two other members, has a surface roughness Ra of 3.0 μm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.