▎ 摘　　要

NOVELTY - Preparing platinum/graphene paper nanocomposite electrode material comprises (i) performing improved Hummers method using graphite as raw material to obtain graphene oxide, (ii) performing vacuum suction filtration using graphene oxide dispersion as raw material to obtain graphene oxide paper, (iii) reacting graphene oxide paper in reducing agent solution at room temperature for 1-4 hours to obtain reduced graphene paper, and (iv) mixing a volume of chloroplatinic acid solution and sulfuric acid solution as electrolyte solution using a three-electrode system to obtain mixed solution, and then reducing graphene paper on the working electrode for CV operation at a potential -0.2 to 1.25 V for 5-25 circles at a sweep speed of 30-60 mV/S to obtain platinum/graphene paper nanocomposite electrode material. USE - The material is useful for detecting hydrogen peroxide (claimed). ADVANTAGE - The method is suitable for industrial production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for platinum/graphene paper nanocomposite electrode material obtained by above method.