| 摘要 |
A fuel-cell system 1 includes: a fuel cell 13 configured to generate electricity through reaction between hydrogen gas and air; a compressor 12 configured to supply air as a scavenging gas to a reactant gas path 13 a of the fuel cell 13 ; a control part 18 configured to control an amount of air supplied from the compressor 12 to the fuel cell 13 to perform scavenging of the fuel cell 13 ; and pressure sensors P 1 and P 2 configured to monitor a pressure drop in the reactant gas path 13 a of the fuel cell 13 . The control part 18 controls an amount of supplied air so as to keep the pressure drop in the reactant gas path 13 a substantially constant when the fuel cell 13 is scavenged. With this configuration, residual water can be suitably purged from the fuel cell while energy consumption is suppressed.
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