| 摘要 |
A fuel cell device capable of appropriately controlling stack temperature both before and after degradation of a fuel cell stack is provided. A fuel cell device furnished with a fuel cell stack, a fuel flow rate regulator unit, an air flow rate regulator unit, a generating chamber temperature sensor, and a control unit, whereby control unit controls supply flow rate AF so that stack temperature Ts is within temperature range A; control unit determines degradation of fuel cell stack and controls flow rate AF so that if fuel cell stack is not degrading, it increases flow rate AF to return stack temperature Ts to within the range A, and if degradation is ongoing, it does not permit an increase in flow rate AF to the supply amount required to return stack temperature Ts to the range A.
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