▎ 摘　　要

NOVELTY - Method for preparing reduced graphene polyaniline supported cerium manganese oxide electric catalyst, involves configuring graphene oxide solution and synthesizing polyaniline using graphene oxide solution, adding hydrazine hydrate to reaction solution and heating the solution to obtain reduced graphene oxide, adjusting pH of potassium hydroxide solution to 9 after suspension of polyaniline suspension, manganese acetate and cerium nitrate, adding potassium permanganate solution under heating conditions, stirring the reaction for a specific period of time. USE - Method for preparing reduced graphene polyaniline supported cerium manganese oxide electric catalyst (claimed). ADVANTAGE - The composite catalyst is featured with high oxygen reduction catalytic activity, large-scale preparation and improved catalytic efficiency. DETAILED DESCRIPTION - Method for preparing reduced graphene polyaniline supported cerium manganese oxide electric catalyst, involves configuring graphene oxide solution and synthesizing polyaniline using graphene oxide solution, drying and centrifuging the resulting product, ultrasonically dispersing the resulting powder in deionized water, adding hydrazine hydrate to the reaction solution and heating the solution to obtain reduced graphene oxide, drying and centrifuging the resulting product, adjusting the pH of potassium hydroxide solution to 9 after the suspension of polyaniline suspension, manganese acetate and cerium nitrate, adding potassium permanganate solution under heating conditions, stirring the reaction for a specific period of time after centrifugation and drying process.