Fuel cell incorporating a modified ion exchange membrane
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United States of America Patent
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Issued Date -
Feb 12, 2004
app pub date -
Mar 5, 2003
filing date -
May 30, 2000
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Abandoned
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Abstract
The present invention provides a fuel cell that comprises a modified ion exchange membrane. The present invention additionally provides modified membranes produced by in situ polymerisation of monomers, such as aryls, heteroaryls, substituted aryls, substituted heteroaryls or a combination thereof, on and/or within an ion exchange membrane. The modified membranes can exhibit reduced permeability to fuel crossover in comparison to the unmodified membranes, often without a significant increase in ionic resistance. the present invention further provides methods for preparing and testing, or evaluating, the modified membranes and fuel cell comprising the modified membranes.
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