Reversal tolerant membrane electrode assembly for a fuel cell
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United States of America Patent
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Mar 3, 2015
Grant Date -
Nov 3, 2011
app pub date -
Jan 8, 2010
filing date -
Jan 8, 2009
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Abstract
Ruthenium or a Ruthenium compound is applied to an anode structure according to a predetermined pattern, with only part of the anode active area containing Ru. The parts of the MEA that do not contain Ru are not expected to suffer degradation from Ru cross-over, so that overall degradation of the cell will be diminished. Having less precious metals will also translate into less cost.
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