FUEL CELL MEMBRANES, GELS, AND METHODS OF FABRICATION
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United States of America Patent
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Issued Date -
Dec 25, 2008
app pub date -
Apr 22, 2008
filing date -
Jun 21, 2007
priority date (Note) -
Abandoned
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Abstract
The forming of fuel cell membranes via novel intermediate gels is disclosed. One disclosed embodiment provides a method of making a fuel cell polyazole membrane comprising dissolving a polyazole with a water stable polyazole solubilizing acid thereby forming a polyazole-acid solution, applying a layer of said polyazole-acid solution to a support thereby forming a polyazole-acid film, contacting said polyazole-acid film with water thereby forming a polyazole-acid gel, and contacting said polyazole-acid gel with a doping acid thereby forming said fuel cell polyazole membrane.
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