FUEL CELL SYSTEM AND METHOD FOR CONTROLLING THE SAME
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United States of America Patent
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Issued Date -
Aug 2, 2012
app pub date -
Jan 19, 2012
filing date -
Jan 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for controlling a fuel cell system is provided, which includes following steps. It is determined whether a hydrogen flow in a fuel cell stack in the fuel cell system is sufficient, and when the hydrogen flow is determined to be sufficient, an output voltage of the fuel cell stack is gradually deceased, and an output current of the fuel cell stack is continually detected until the output current of the fuel cell stack stops increasing. When the hydrogen flow is determined to be insufficient, the output voltage of the fuel cell stack is gradually increased, and the output current of the fuel cell stack is continually detected until the output current of the fuel cell stack starts to decrease.
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