Corrosion resistant metallic bipolar plate
US7211346B2 · kind B2 · utility
1Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2003 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | Dec 3, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A corrosion resistant, electrically conductive component such as a bipolar plate for a PEM fuel cell includes 20–55% Cr, balance base metal such as Ni, Fe, or Co, the component having thereon a substantially external, continuous layer of chromium nitride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.