| 摘要 |
PROBLEM TO BE SOLVED: To suppress reduction in performance of a fuel cell caused by being used.SOLUTION: A fuel cell 20 includes a catalyst layers 23a, 24a having a polymer electrolyte 102 and catalyst-carrying carbon 101. A value Pof an initial weight ratio (I/C) between the polymer electrolyte 102 and the catalyst-carrying carbon 101 at the catalyst layers 23a, 24a is set at a value smaller than a value Pof a weight ratio (I/C) at which a maximum output of the fuel cell in a state where the polymer electrolyte 102 is not swelled is maximum by 0.1 to 0.2.SELECTED DRAWING: Figure 4 |
