▎ 摘　　要

NOVELTY - Preparing graphene oxide loaded nickel-cobalt bimetallic selenide oxygen evolution catalyst, comprises (i) dispersing graphene oxide in de-ionized water, then adding nickel nitrate hexahydrate, cobalt nitrate hexahydrate and urea, stirring and heating, centrifuging the obtained reaction product, washing, drying, calcining to obtain the oxide precursor, and (ii) adding selenium powder and sodium borohydride into the de-ionized water, stirring and dissolving, then adding oxide precursor, stirring and reacting, centrifuging the obtained product, washing, drying to obtain the final product. USE - The graphene oxide loaded nickel-cobalt bimetallic selenide oxygen evolution catalyst is useful in electrocatalytic alkaline oxygen evolution reaction (claimed). ADVANTAGE - The catalyst: has excellent conductivity, low resistance, high ion mobility and excellent oxygen evolution stability. The method: has low-cost; utilizes clean raw materials; and is simple and environmentally friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for graphene oxide loaded nickel-cobalt bimetallic selenide oxygen evolution catalyst, obtained by above mentioned method, where the chemical composition is nickel-cobalt-selenide-graphene oxide complex (Ni0.5Co2.5Se4/GO).