▎ 摘　　要

NOVELTY - Preparing graphene/polypyrrole composite electrode material, comprises subjecting graphene prepared by laser induction to hydrophilic treatment, and immersing the treated graphene in aqueous plating solution containing pyrrole monomer for electrodeposition of polypyrrole. USE - The electrode material is useful as supercapacitor electrode in supercapacitor (claimed). ADVANTAGE - The electrode material: has excellent energy storage density, charge and discharge power density, and cycle stability. The method is easy to carry out, and utilizes easily available raw materials. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for use method of the electrode material as supercapacitor electrode in a supercapacitor, comprising assembling the composite electrode material into a flexible all-solid supercapacitor based on the common supercapacitor assembly method, where the supercapacitor has specific capacitance of 1-10000 mF/cm2, and energy greater than 80% after circulating for 10000 times.