▎ 摘　　要

NOVELTY - Method for preparing high-dispersion alloy nanoparticles, involves adding acid and alcohol into a reduced graphene solution mixed with metal salt to obtain a mixed solution, performing ultrasonic treatment on the mixed solution, performing centrifugal separation, and drying the precipitate to obtain the high-dispersion alloy nanoparticles. USE - The method is used for preparing high-dispersion alloy nanoparticles, which is used in the working electrode as an oxygen reduction electrode (all claimed). ADVANTAGE - The method is carried out in an easy operation, synthesis in short period, controls product quality and uniform particle size easily. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) an application of the highly dispersed alloy nanoparticles in the preparation of oxygen reduction catalysts, or the application of the highly dispersed alloy nanoparticles as the oxygen reduction catalysts; and (2) a working electrode, comprising adding absolute ethyl alcohol to the high-dispersion alloy nanoparticles, configured as a suspension, taking a suspension liquid on a glassy carbon electrode by using a pipette, uniformly covering with a naphthol solution, and airing.