▎ 摘　　要

NOVELTY - A graphene/metal composite/foam metal electrode preparing method involves depositing oxidation graphene water solution, mixing nano-metal composite grain with the oxidation graphene water solution, depositing mixture solution on an oxidation graphite alkene sheet structure, forming oxidation graphene aqueous solution precipitate on a foam metal, discharging argon gas and nitrogen gas to perform oxidation reduction, doping nitrogen on a graphene/metal composite/foam metal and cutting the graphene/metal composite/foam metal to obtain a graphene/metal composite/foam metal electrode. USE - Method for a preparing graphene/metal composite/foam metal electrode. ADVANTAGE - The method enables preparing a graphene/metal composite/foam metal electrode with wide application range in a simple manner. DETAILED DESCRIPTION - A graphene/metal composite/foam metal electrode preparing method involves depositing oxidation graphene water solution on a foamed metal electrode, mixing nano-metal composite grain with the oxidation graphene water solution to obtain mixture solution, depositing mixture solution on an oxidation graphite alkene sheet structure by a vacuum pump, performing mixture solution filtering process, forming oxidation graphene aqueous solution precipitate on a foam metal to obtain oxidation graphite/metal composite/foam metal structure, discharging argon gas and nitrogen gas by a hollow cathode discharge circuit under low vacuum environment to perform oxidation reduction, doping nitrogen on a graphene/metal composite/foam metal and cutting the graphene/metal composite/foam metal to obtain a graphene/metal composite/foam metal electrode.