Composite proton conducting membrane with low degradation and membrane electrode assembly for fuel cells
US9101886B2 · kind B2 · utility
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23Claims
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Key dates
| Filing date | Nov 10, 2010 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Jan 7, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A small molecule or polymer additive can be used in preparation of a membrane electrode assembly to improve its durability and performance under low relative humidity in a fuel cell. Specifically, a method of forming a membrane electrode assembly comprising a proton exchange membrane, comprises providing an additive comprising at least two nitrogen atoms to the membrane electrode assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.