Catalyst layer
US8367266B2 · kind B2 · utility
6Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2008 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Oct 20, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A porous catalyst layer formed from discrete particles of unsupported metal, wherein at least 80%, suitably at least 90%, of the discrete particles have a mass of from 1 to 1000 zeptograms, and wherein the catalyst layer has a metal volume fraction of less than 30% and a metal loading of less than 0.09 mg/cm2 is disclosed. The catalyst layer is suitable for use in fuel cells and other electrochemical applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.