Stainless steel separator for fuel cell having M/MNx and MOyNz layer and method for manufacturing the same
US8440368B2 · kind B2 · utility
0Cited by
5References
15Claims
0Family size
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Key dates
| Filing date | Nov 23, 2009 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Aug 12, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a stainless steel separator for a fuel cell and method of manufacture. The stainless steel separator includes a stainless steel sheet, a first coating layer comprising metal/metal nitride films (M/MNx) (0.5≦x≦1) on a surface of the stainless steel sheet, and a second coating layer comprising a metal oxynitride film (MOyNz) (0.05≦y≦2, 0.25≦z≦1.0).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.