Fuel cell bipolar plate and composition therefore
US7919213B1 · kind B1 · utility
1Cited by
3References
1Claims
0Family size
Inventor
Key dates
| Filing date | Aug 9, 2006 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Feb 3, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A bipolar plate is provided which is constructed of a composite material including at least thirty percent carbon and up to seventy percent of a flowable resin. The material is flowed into a mold and hardened, preferably by heat or catalyst, to form the bipolar plate. The resin is preferably a polyester resin which, along with the carbon, can function effectively within a bipolar plate of a fuel cell. A method for forming bipolar plates from a composite material including carbon and a flowable resin, by flowing the material into a mold, is also provided. Specific compositions for the composite material are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.