| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to surely detect a DC resistance component by impedance measurement with high accuracy, and to enable humidification control of a fuel cell to be executed promptly and easily.SOLUTION: A humidification control method comprises the steps of: detecting a DC resistance component by impedance measurement during power generation by a fuel cell stack 10; calculating a reaction resistance component on the basis of the detected DC resistance component and a cell voltage; detecting a humidification state of the fuel cell stack 10 on the basis of the detected DC resistance component and the calculated reaction resistance component; and adjusting a humidification amount of the fuel cell stack 10 according to the detected humidification state of the fuel cell stack 10. |
