| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an operating method of a fuel cell having less deterioration of a cell performance even at an operation for a long period of time, and also, to provide a fuel cell system capable of easily implementing the above operating method. <P>SOLUTION: In the operating method of the fuel cell structured by laminating through a separator a plurality of electrode jointed bodies consisting of a fuel electrode supplied with fuel gas including hydrogen, an oxygen electrode supplied with oxidant gas including oxygen and an electrolyte mounted between the fuel electrode and the oxygen electrode, at least either deoxidization treatment to reduce oxygen concentration or dehydrogenation peroxide treatment to reduce hydrogen peroxide concentration is applied at least either the fuel gas or fuel electrode side out gas exhausted from the fuel electrode. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
