Polymer electrolyte fuel cell
US6893765B1 · kind B1 · utility
17Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2000 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Nov 6, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A polymer electrolyte fuel cell comprises a separator plate having a gas channel for supplying an oxidant gas or a fuel gas to an electrode, said separator plate comprising a metal plate, a conductive film formed on the surface of the metal plate, and a diffused layer resulting from diffusion of a material of the conductive film formed between the metal plate and the conductive film. The fuel cell produces stable output free from corrosion or dissolution of the metal plate even in a long-term operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.