▎ 摘　　要

NOVELTY - Nickel palladium electrocatalyst comprises graphene as carrier, non-noble metal nickel surface with noble metal, and palladium thin shell. The core-shell structure of nickel palladium electrocatalyst is prepared by uniformly dispersing graphene oxide. USE - Nickel palladium electrocatalyst for redox reaction (claimed). ADVANTAGE - The nickel palladium electrocatalyst has unique core-shell structure features, good catalytic performance and wide application prospect, and prepared in simple manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing nickel palladium electrocatalyst, which involves: (A) preparing graphene oxide by Hummers method; (B) dispersing graphene oxide in deionized water to obtain oxidized graphene aqueous solution, dispersing precursor of nickel into oxidized graphene aqueous solution to obtain mixed solution, adding excessive reducing agent solution dropwise into mixed solution, and stirring to obtain nickel simple substance and reducing graphene oxide, washing black precipitate to neutral with de-ionized water, dispersing black precipitate in de-ionized water to obtain reduced aqueous solution of elemental nickel graphene oxide load; and (C) dissolving palladium chloride in hydrochloric acid solution to prepare dihydrogen tetrachloro palladate (H2PdCl4) solution, adding dihydrogen tetrachloro palladate solution to reduced aqueous solution of elemental nickel graphene oxide load for ultrasonic dispersion, stirring to replace nickel palladium, washing the lower layer of black precipitate to neutral, freezing and drying to obtain core-shell structure nickel palladium electrocatalyst, where nickel content is 18-25%, and palladium content is 9-15%.