Proton exchange membrane fuel cell
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United States of America Patent
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Mar 9, 1999
Grant Date -
N/A
app pub date -
Jun 24, 1996
filing date -
Jul 5, 1995
priority date (Note) -
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Importance
Abstract
A polymer electrolyte membrane fuel cell using hydrogen as the fuel and oxygen containing air as the oxidant. The fuel cell including a hydrogen side electrode; an air side electrode; an electrolyte positioned between the electrodes; a hydrogen diffuser/collector plate including hydrogen channels; and an air diffuser/collector plate including air channels. A method of operation of the fuel cell including introducing hydrogen into the hydrogen channels and introducing air into the air channels at a pressure of less than 5 psig and with a channel velocity of between about 0.15 and 7.0 meters/second.
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