Stainless steel product for producing polymer electrode fuel cell
US6379476B1 · kind B1 · utility
51Cited by
1References
28Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 13, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Apr 13, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The stainless steel product has passive film on the surface, and at least one of a conductive metallic inclusion of carbide and a conductive metallic inclusion of boride protrudes through an outer surface of passive film from stainless steel under the passive film. The stainless steel product has low contact electrical resistance and suitable for use in bipolar plates of a polymer electrode fuel cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.