Patent ID: 8097372
Filing Date: 2012-01-17
Classification: H01M,Y02E

Abstract:
1. A fuel cell system comprising: a fuel cell for generating electricity by electrochemical reactions of a cathode gas supplied to a cathode gas channel and an anode gas supplied to an anode gas channel; a cathode gas supply apparatus for supplying the cathode gas; an anode gas supply apparatus for supplying the anode gas; an anode gas replacement apparatus for replacing the anode gas in the anode gas channel by the anode gas supply apparatus at the time of starting operation of the fuel cell; a dilution apparatus for diluting an anode off gas discharged from the fuel cell by mixing the anode off gas with the cathode gas supplied from the cathode gas supply apparatus; a stoppage time detection apparatus for detecting a stoppage time during which operation of the fuel cell is stopped; and a cathode gas flow rate control apparatus for changing the flow rate of the cathode gas supplied from the cathode gas supply apparatus depending on the stoppage time, at the time of replacing the anode gas by the anode gas replacement apparatus.