| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system capable of calculating a hydrogen concentration in a fuel cell with a simple configuration. <P>SOLUTION: A fuel cell system 100 having a fuel cell 1 generating power by using hydrogen that is an anode gas has: phase characteristic calculation means S204 calculating phase characteristics of an internal impedance of the fuel cell 1 on the basis of an output signal of the fuel cell 1; and hydrogen concentration calculation means S205 calculating concentration of hydrogen in the fuel cell 1 on the basis of the phase characteristics of the internal impedance. <P>COPYRIGHT: (C)2013,JPO&INPIT |
