▎ 摘　　要

NOVELTY - Transition metal selenide/ordered porous graphene aerogel composite electrode material comprises transition metal selenide and ordered porous graphene aerogel, graphene oxide aqueous solution, metal sources and selenium sources as raw materials to synthesize ordered porous graphene aerogels and cross-metal selenide composite electrode material. USE - The method is useful for transition metal selenide/ordered porous graphene aerogel composite electrode material. ADVANTAGE - The material has a porous network structure, mass capacity up to 1701 F/g, and has excellent rate performance and cycle stability, can be applied to the super capacitor and an electrode of the battery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing transition metal selenide/ordered porous graphene aerogel composite electrode material comprising taking transition metal precursor/ordered porous graphene aerogel and 0.5-12 mg/ml oxidized graphene dispersion liquid as raw material, adding mixture of nickel or cobalt source or both sources so that the concentration of the nickel ion or cobalt ion or a mixture of the two ion is 0.002-0.02 mmol/ml, adding template, completely immersing template, reducing the oxidized transition metal-graphenetemplate hydrogel synthesis using hydrothermal reaction, the temperature of the hydrothermal reaction is 80-180 degrees C, carrying out reaction for 1-24 hours, removing the template, freezing and drying and calcining to obtain the transition metal based precursor/ordered porous graphene aerogel composite material, where the ratio of transition metal precursor/ordered porous graphene aerogel composite material, and of selenium is 1:1-10:1 and synthesizing to obtain the product.