Proton exchange membrane (PEM) for a fuel cell
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United States of America Patent
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Issued Date -
Sep 11, 2003
app pub date -
Nov 15, 2002
filing date -
Nov 16, 2001
priority date (Note) -
Abandoned
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Abstract
A new PEM and fuel cell using that PEM are disclosed. The proton electrolyte membrane (PEM) comprises a polymer matrix and an ionically conductive ceramic material adapted to create a superconductive interface, the ceramic material being uniformly dispersed throughout the matrix. The polymer matrix is selected from the group consisting of proton exchange polymers, non-proton exchange polymers, and combinations thereof. The material is selected from the group consisting of beta alumina oxides, SnO.sub.2(nH.sub.2O) , fumed silica, SiO.sub.2, fumed Al.sub.2O.sub.3, H.sub.4SiW.sub.12O.sub.2(28H.sub.2O), tin mordenite/SnO.sub.2 composite, zirconium phosphate-phosphate/silica composite.
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