▎ 摘　　要

NOVELTY - Synthesis of monatomic catalyst involves stirring dimethyl imidazole, zinc nitrate, transition metal source (M), graphene oxide as a solute, anhydrous methanol as a solvent to form M/ZIF-8 containing graphene oxide precursor, carrying out gradient temperature control pyrolysis of the M/ZIF-8 containing graphene oxide precursor in the atmosphere of protective gas, and cooling. The transition metal source (M) is selected from one of iron source, cobalt source, copper source and manganese source. USE - Synthesis of monatomic catalyst used as electrocatalyst in oxidation-reduction reaction (all claimed) of energy storage device e.g. metal-air battery and fuel cell. ADVANTAGE - The method is simple and effective, can be used for large-scale synthesis of the monatomic catalyst, and overcomes the defects that the synthesis is complex and large-scale preparation is difficult.