▎ 摘 要
NOVELTY - Preparing metal composite graphene oxygen reduction reaction electrocatalyst material comprises (i) preparing carbon-containing polymer solution, (ii) mixing the solution prepared in step (1) with metal salt, and stirring with a magnetic stirrer or a glass rod, (iii) dropping the uniformly mixed solution prepared in step (ii) on the substrate, and spin-coating to form film, (iv) drying the spin-coated substrate with composite solution under a baking lamp, (v) peeling off the dried sample from the substrate, placing in a self-made mold, heating by using microwave plasma treatment under nitrogen and hydrogen atmosphere, cooling and taking out in a nitrogen and hydrogen atmosphere, and (vi) grinding the sample into powder in a mortar. USE - The electrocatalyst material is useful in field of oxygen reduction reaction electrocatalyst. ADVANTAGE - The method: has simple operation, short experiment period, fast heat treatment process, and low cost. DETAILED DESCRIPTION - Preparing metal composite graphene oxygen reduction reaction electrocatalyst material comprises (i) preparing carbon-containing polymer solution, (ii) mixing the solution prepared in step (1) with metal salt, and stirring with a magnetic stirrer or a glass rod, (iii) dropping the uniformly mixed solution prepared in step (ii) on the substrate, and spin-coating to form film, (iv) drying the spin-coated substrate with composite solution under a baking lamp, (v) peeling off the dried sample from the substrate, placing in a self-made mold, heating by using microwave plasma treatment under nitrogen and hydrogen atmosphere, cooling and taking out in a nitrogen and hydrogen atmosphere, and (vi) grinding the sample into powder in a mortar, in the above steps, the carbon precursor solution and metal salt are mixed as raw materials, and then spin-coated on the substrate, and dried to form film, and the metal composite graphene is grown by microwave plasma technology, and the metal precursor contains copper nitrate, silver nitrate and metal chloride.