| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for evaluating a fuel cell stack.SOLUTION: A method for evaluating a fuel cell stack in which fuel cells are stacked comprises: a steady current output step of humidifying the fuel cell stack and extracting a predetermined current; a measuring step of, after the steady current output step, supplying the fuel cell stack with fuel gas and oxidation gas that have humidity equal to or less than a predetermined humidity, and extracting a maximum output from the fuel cells after a lapse of a predetermined time from the supply, and measuring outputs of the fuel cell stack and each fuel cell stack; and a transient performance evaluating step of evaluating the fuel cell stack on the basis of the measured outputs. |
