Seal and fuel cell comprising same affixed on the bipolar plates
US7713647B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 23, 2006 |
| Grant date | May 11, 2010 |
| Priority date | — |
| Expiry date | Aug 12, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention mainly concerns a fuel cell seal (52) designed to be affixed on a bipolar plate (22) in the form of a membrane whereof the profile corresponds approximately to the peripheral frame (50) of the bipolar plate (22) and comprising a central opening (66) coinciding approximately with the central zone (46) dispensing the reagents of the bipolar plate (22). The invention also concerns a fuel cell comprising an electrode membrane assembly (70) which includes in particular an active region (74), which is the site of anode and cathode reactions, and a peripheral frame (75) and which is sandwiched between two bipolar plates (22) whereon is affixed the inventive seal (52).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.