Direct oxidation fuel cell with a divided fuel tank having a movable barrier pressurized by anode effluent gas
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United States of America Patent
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Aug 19, 2008
Grant Date -
May 15, 2003
app pub date -
Jan 18, 2001
filing date -
Jan 18, 2000
priority date (Note) -
Expired
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Abstract
The present invention provides improved, low-cost fuel cells having reduced fuel crossover, reduced sensitivity to metal ion impurities and ability to operate under a broad range of temperatures. The invention further provides improved methods for catalyst preparation and a new integrated flow field system for use in H.sub.2/O.sub.2 fuel cells.
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