Manufacture of membrane electrode assembly with edge protection for PEM fuel cells
US8470497B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Nov 8, 2006 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Aug 31, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Methods for attaching a subgasket to an ionomer membrane, wherein the methods provide for the precise location of the subgasket relative to the other component edges of the fuel cell, such as the catalyst layers, so as provide the functionality required to extend the ionomer membrane life and prevent damage to the ionomer membrane during the assembly process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.