Composite separator for polymer electrolyte membrane fuel cell and method for manufacturing the same
US9147889B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | May 2, 2014 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | May 2, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a composite separator for a polymer electrolyte membrane fuel cell (PEMFC) and a method for manufacturing the same. The inventive method involves allowing graphite foil layers to be brought into direct contact with each other when graphite foils are stacked on both sides of a carbon fiber reinforced composite material prepreg, thereby improving electrical conductivity in the thickness direction of the separator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.