Gas diffusion substrate
US9859572B2 · kind B2 · utility
1Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2012 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Nov 17, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A non-woven gas diffusion substrate including: (i) a non-woven carbon fiber web; (ii) a carbon particulate material; and 10 (iii) a hydrophobic binder characterized in that the non-woven gas diffusion substrate further includes a conductive material having a x:y aspect ratio from 0.01 to 100, a x:z aspect ratio of at least 500 and a y:z aspect ratio of at least 500.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.