▎ 摘　　要

NOVELTY - A graphene composite material comprises 10-30 wt.% graphene and 1, 6, 7, 12, 13, 18-hexaazacyclooctadecane naphthalene-composite structure. USE - Graphene composite material for use as anode material that is utilized in lithium ion battery (all claimed). ADVANTAGE - The material has high capacity, and provides the battery with better charging and discharging performance, improved production efficiency, improved durability and reduced cost, and is simple and easy to prepare. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing a graphene composite material, which involves mixing 10-30 wt.% graphene and 1, 6, 7, 12, 13, 18-hexaazacyclooctadecane naphthalene-composite structure and ball milling to obtain a finished product. DESCRIPTION OF DRAWING(S) - The drawing shows a flowchart illustrating a method for preparing graphene composite material. '(Drawing includes non-English language text)'