| 摘要 |
PROBLEM TO BE SOLVED: To provide an oxygen reduction catalyst capable of activating the reductive reaction of oxygen and reducing cost, and also to provide a fuel cell with an oxygen side electrode containing the oxygen reduction catalyst.SOLUTION: A burned substance is prepared by burning the transition metal complexes in which a ligand containing equal numbers of oxygen atoms and nitrogen atoms is coordinated to the transition metal in the oxygen and nitrogen atoms. The oxygen reduction catalyst contained in the oxygen side electrode 3 of the fuel cell can activate the reductive reaction of oxygen by involving the above burned substance in the catalyst, and the cost of the catalyst, consequently that of the fuel cell is reduced. |
