Gas diffusion substrate
US10424795B2 · kind B2 · utility
0Cited by
3References
13Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 4, 2015 |
| Grant date | Sep 24, 2019 |
| Priority date | — |
| Expiry date | Feb 21, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A porous gas diffusion substrate that includes: (a) a porous non-woven web comprising carbon fibers; and (b) a carbonaceous residue; wherein the carbonaceous residue is embedded within the porous non-woven web; (c) a fluorinated polymer; and (d) inert particles wherein at least some of the carbon fibers of the porous non-woven web have a coating comprising the fluorinated polymer and inert particles is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.