Separator for fuel cell and coating method thereof
US10818936B2 · kind B2 · utility
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2References
6Claims
0Family size
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Key dates
| Filing date | Nov 8, 2017 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Nov 8, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A separator for a fuel cell includes: a metal base material; and a carbon coating layer formed on one surface or both surfaces of the metal base material, in which roughness Ra formed at an interface between the metal base material and the carbon coating layer may be in a range of 20 to 78 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.