| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system suppressing increase in complication and increase in cost of a device by regenerating a reforming catalyst without installing an additional device. <P>SOLUTION: In the fuel cell system, since the reforming catalyst 21a sulfur-poisoned in usual operation is regenerated with reformed gas generated in a reforming part 21, the temperature of the sulfur poisoned reforming catalyst 21a is raised to at least catalyst regeneration temperature at which sulfur is removed from the reforming catalyst 21a and a compound of sulfur. At that time, a combustion part 22 is burned same as the usual operation, and when the catalyst is regenerated, a water pump 53 is controlled to supply smaller amount of reforming water than the supply amount in usual operation, and the temperature of the reforming catalyst 21a is raised to the catalyst regeneration temperature. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
