| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent interminglement with fuel and oxidizer on an oxidizing agent electrode at recovery of performance of a fuel cell to suppress the degradation of generation efficiency and durability. <P>SOLUTION: A fuel cell system comprises the fuel cell 1 having a polyelectrolyte film, a membrane electrode assembly composed of a fuel electrode and an oxidizing agent electrode holding a polyelectrolyte film, and a separator with a formed passage for supplying the fuel cell and the oxidizing agent to the membrane electrode assembly; and an external power-supply 4 capable of supplying a current to the fuel cell 1 and changing the direction of the current supplied to the fuel cell 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
