Electrochemical fuel cell stack with humidification section located upstream from the electrochemically active section
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United States of America Patent
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Jan 17, 1995
Grant Date -
N/A
app pub date -
Mar 15, 1994
filing date -
Nov 3, 1992
priority date (Note) -
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Importance
Abstract
An electrochemical fuel cell stack has a humidification section located upstream from the electrochemically active section. The inlet fuel and oxidant streams are introduced into the humidification section without first being directed through the electrochemically active section. The upstream location of the humidification section in the stack enables the number of manifold openings in the active section to be reduced, thereby increasing the area available for the electrochemical reaction.
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