▎ 摘　　要

NOVELTY - Two-dimensional metal-organic framework-based composite electrode material (Cu-HHTP/G), obtained by introducing graphene in situ during the synthesis of the Cu-HHTP metal-organic framework, is claimed. The structure of the composite electrode material is a two-dimensional continuous conductive network structure formed by interconnecting Cu-HHTP and graphene sheets. USE - The two-dimensional metal-organic framework-based composite electrode material is useful for lithium battery electrode material. ADVANTAGE - The composite electrode material: realizes hybridization of organic materials and inorganic materials at the molecular level; can solve the serious problem of easy stacking of two-dimensional metal-organic frameworks; abundant redox active sites were obtained, which further improved the lithium storage performance of the material. The method is simple, and equipment requirements are low. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: Preparing two-dimensional metal-organic framework-based composite electrode material, comprising (i) adding copper acetate monohydrate and 2,3,6,7,10,11-hexahydroxytriphenylene hydrate into mixed solution of N,N-dimethylformamide and deionized water, stirring fully dissolve to obtain uniformly mixed solution A, carrying out a solvothermal reaction to the solution A, (ii) adding graphene into the solution A, stirring, carrying out the same solvothermal reaction with the step (i), after the reaction, washing the product, centrifuging and drying to obtain dark blue powder two-dimensional metal-organic framework-based composite electrode material (Cu-HHTP/G); and Cu-HHTP/G lithium battery electrode material, obtained by (I) mixing Cu-HHTP/G material, acetylene black, polyvinylidene fluoride uniformly, adding N-methylpyrrolidone to the mixture, and ultrasonically dispersed to obtain a colloidal black liquid and then dispersed at a high speed to obtain a uniform Cu-HHTP/G black colloidal slurry, and (II) uniformly coating the black colloidal slurry on the copper foil current collector, and vacuum drying to obtain the Cu-HHTP/G lithium battery electrode material.