Water vapor transfer device for a fuel cell power plant
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United States of America Patent
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Oct 7, 2003
Grant Date -
Jan 23, 2003
app pub date -
Jul 20, 2001
filing date -
Jul 20, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fuel cell system that extracts water from the effluent of a fuel cell for supply to other components of the fuel cell system that require water. A preferred embodiment is a fuel cell system, for the production of electricity from hydrogen gas and an oxidant, comprising: (a) a fuel cell comprising an anode input for a hydrogen-containing anode supply stream, a cathode input for an oxidant-containing cathode supply stream, and a cathode output for cathode effluent comprising water produced by said fuel cell; and (b) a water transfer device, connected to said fuel cell, that transfers water from said cathode effluent to said anode supply stream.
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