Composite electrolyte membrane with nanoscopic dendrimers and method of preparing same
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United States of America Patent
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Oct 6, 2009
Grant Date -
Jun 1, 2006
app pub date -
Nov 30, 2005
filing date -
Nov 30, 2004
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Abstract
The present invention relates to a composite electrolyte membrane for fuel cells that has high proton conductivity and low fuel permeability even under low humidity conditions and at elevated temperatures. The membrane, comprising a cation exchange resin and acid-treated dendrimers, has great utility in large and medium fuel cells for applications in household appliances, electric vehicles, etc.
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