| 摘要 |
The hydrogen concentration in an anode gas passage of a fuel cell is obtained. When the fuel cell system is started up, one of a first start-up control and a second start-up control is selected based on the obtained hydrogen concentration in the anode gas passage. In the first start-up control, the power generation of the fuel cell is started after purging the anode gas passage. In the second start-up control, the power generation of the fuel cell is started without purging the anode gas passage.
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