Hydrolytically-stable hydrophilic coatings for PEMFC bipolar plate
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United States of America Patent
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Sep 1, 2015
Grant Date -
Nov 19, 2009
app pub date -
May 13, 2008
filing date -
May 13, 2008
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Abstract
Bipolar plates useful for fuel cell applications include a plate body having a channel-defining surface that is at least partially coated with a hydrophilic layer. This hydrophilic layer comprises residues of a silane-coupling agent in a sufficient amount such portions of the first hydrophilic layer have a contact angle less than a predetermined value.
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