METHOD FOR PREPARING GRAPHENE SPHERICAL HOLLOW BODY, GRAPHENE SPHERICAL HOLLOW BODY, GRAPHENE SPHERICAL HOLLOW BODY INTEGRATED ELECTRODE, AND GRAPHENE SPHERICAL HOLLOW BODY INTEGRATED CAPACITOR

摘要

PROBLEM TO BE SOLVED: To provide a graphene spherical hollow body capable of forming a capacitor having a high specific capacity and a method for preparing the same, and to provide a graphene spherical hollow body integrated capacitor.SOLUTION: The method for preparing a graphene spherical hollow body includes: a step of preparing a first core-shell structure, which has a core composed of a polymer molding having an arbitrary three dimensional shape and a shell composed of graphene oxide that covers the surface of the core, in an aqueous solution by mixing and dispersing the polymer molding and a graphene oxide powder in water; a step of preparing a second core-shell structure, which has a core composed of the polymer molding and a shell composed of graphene that covers the surface of the core, in an aqueous solution by reducing the graphene oxide covering the surface of the polymer molding into graphene; and a step of preparing a graphene hollow structure having a shell composed of the graphene and a hollow part formed in the shell by heating the second core-shell structure to decompose and remove the core composed of the polymer molding.