▎ 摘　　要

NOVELTY - Hydrogen peroxide electrocatalyst is used for detecting hydrogen peroxide by electrochemical reduction method. The hydrogen peroxide electrocatalyst comprises a functional layer for reducing hydrogen peroxide and a metal oxide layer on its surface. USE - The hydrogen peroxide electrocatalyst is used for detecting hydrogen peroxide by electrochemical reduction method. It is used for working electrode i.e. cathode useful for electrochemical sensor for detecting hydrogen peroxide by reduction method (all claimed). ADVANTAGE - The electrocatalyst has the function of anti-oxygen reduction interference, and high hydrogen peroxide detection selectivity and accuracy.