FUEL CELL SYSTEMS WITH MAINTENANCE HYDRATION
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United States of America Patent
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Issued Date -
Dec 4, 2008
app pub date -
May 30, 2007
filing date -
May 30, 2007
priority date (Note) -
Abandoned
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Abstract
Fuel cell systems, and more particularly to fuel cell systems with fuel cell hydration provided during periods of inactivity by combining a fuel and an oxidant. In some embodiments, the systems may include at least one fuel cell with an anode region and a cathode region. The at least one fuel cell may be hydrated by disposing both a fuel and an oxidant in the anode region, the cathode region, or both the anode region and the cathode region, and, optionally, without generation of electrical output. In some embodiments, the systems may include a controller that controls combined delivery of a fuel and an oxidant to the at least one fuel cell. In some embodiments, the systems may deliver a mixture of the fuel and the oxidant to the at least one fuel cell after a period of fuel cell inactivity.
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