FUEL CELL SYSTEM AND OPERATION METHOD THEREOF
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United States of America Patent
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Issued Date -
Jan 17, 2013
app pub date -
Mar 30, 2011
filing date -
Mar 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A controller (15) performs a stop operation of stopping electric power generation by a fuel cell (3); then performs an activity recovery operation of stopping the supply of a fuel gas by a fuel gas supply unit (10) to an anode (2a), causing an anode inert gas supply unit (13) to supply an inert gas to the anode (2a), and causing an oxidizing gas supply unit (11) to supply an oxidizing gas to a cathode (2b); and performs control such that the fuel gas supply unit (10) resumes supplying the fuel gas to the anode (2a) to resume the electric power generation by the fuel cell (3) after the cell voltage of the fuel cell (3) which is detected by a voltage detector (14) has decreased to a first voltage or lower.
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