▎ 摘　　要

NOVELTY - An electrode composite material comprises graphene-like composite material and covalent organic framework material, where the graphene-like material is prepared from a walnut shell. USE - Electrode composite material for use in supercapacitor (claimed). ADVANTAGE - The electrode composite material has high specific capacitance and rate stability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method of preparing an electrode composite, which involves preparing graphene-like composite material and covalent organic framework material and recombining graphene-like and covalent organic frameworks.