Patent ID: 8057943
Filing Date: 2011-11-15
Classification: H01M,Y02E

Abstract:
1. A fuel cell operating system comprising: a fuel cell; a fuel gas supplying device which supplies a fuel gas to a side of an anode of the fuel cell; an oxidizing gas supplying device which supplies an oxidizing gas to a side of a cathode of the fuel cell; an entrance-side flow path which connects the oxidizing gas supplying device and a gas entrance on the side of the cathode of the fuel cell; an exit-side flow path which is connected between a gas exit on the side of the cathode of the fuel cell and a side of discharge; a bypass flow path which connects the entrance-side flow path and the exit-side flow path and which is placed in parallel to the fuel cell; an adjusting valve which is provided on at least one of the entrance-side flow path and the exit-side flow path and which adjusts a gas flow rate on the side of the cathode; a bypass valve which is provided on the bypass flow path and which adjusts a gas flow rate in the bypass flow path; and a controller which controls an operation of the fuel cell, wherein the controller comprises: