Water transport features for diffusion media
US8211589B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Oct 4, 2005 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | Jan 9, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249953
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A diffusion media for use in a fuel cell stack and that is adjacently aligned with lands of a reactant plate of the fuel cell stack. The diffusion media includes a sheet having a permeable material with a thickness. A plurality of water transport pores are defined through the sheet. Each of the pores has a pore diameter that is greater than 1.5 times the thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.