Method of making fuel cell components including a catalyst layer and a plurality of ionomer overcoat layers
US8372474B2 · kind B2 · utility
1Cited by
4References
47Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2006 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Jul 21, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A process comprising: providing a substrate with a catalyst layer thereon; depositing a first ionomer overcoat layer over the catalyst layer, the first ionomer overcoat layer comprising an ionomer and a first solvent; drying the first ionomer overcoat layer to provide a first electrode ionomer overcoat layer; depositing a second ionomer overcoat layer over the first electrode ionomer overcoat layer, and wherein the second ionomer overcoat layer comprises an ionomer and a second solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.