▎ 摘　　要

NOVELTY - Preparation of a graphene-encapsulated carbon nanotube and metal-organic framework (MOF) three-dimensional composite electrode material involves encapsulating carbon nanotubes and MOF in a graphene foam by self-assembly method, mixing graphene oxide, carbon nanotubes and MOF under ultrasonic conditions to form a precursor solution, then thermally reducing graphene oxide to complete self-assembly, and wrapping MOF and carbon nanotubes in the formed three-dimensional network. USE - The method is useful for preparing graphene-encapsulated carbon nanotube and MOF three-dimensional composite electrode material (claimed). ADVANTAGE - The method adds carbon nanotubes to the graphene foam, which can effectively alleviate the stacking phenomenon of the graphene aggregation process, thus increasing the specific surface area of the composite material, contributing to ion diffusion, reducing the transmission path of ions and electrons and further enhancing the material Of conductivity.