Sheet molding material for fuel cell bipolar plate, method of producing same and bipolar plate or fuel cell
US7910501B2 · kind B2 · utility
3Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2005 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Sep 8, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/699
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention offers sheet molding material for obtaining a thin fuel cell bipolar plate with excellent conductivity and thickness precision, production method thereof, and a fuel cell bipolar plate made by molding the sheet molding material. It relates to sheet molding material for a fuel cell bipolar plate and production method thereof, wherein the sheet molding material has carbon particle layer on at least one surface of the resin sheet, and the percentage of particles of carbon layer in the sheet molding material is 70% to 90% by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.