▎ 摘　　要

NOVELTY - Preparing three-dimensional graphene material comprises reacting ion exchange resins with catalytic cracking agent, synergistic agent and conductive agent to ion exchange, absorbing expanding agent and heat treating in an inert gas. USE - The method is useful for preparing three-dimensional graphene material (claimed). ADVANTAGE - The three-dimensional graphene material has high electrical conductivity, thermal conductivity, stable chemical and electrochemical performance, large specific surface area and porous structure, high porosity, flexibility, watt/micron and mass transfer resistance properties, rich raw material sources and strong stability; utilizes waste; and is environmentally-friendly, easy for industrialization, economical, simple, fast and safe. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for three-dimensional graphene material prepared by above method.