▎ 摘　　要

NOVELTY - Graphene-crown ether-metal ternary composite material comprises graphene oxide, crown ether and metal chloride. USE - The material is used as lithium-carbon dioxide battery anode catalyst (claimed). ADVANTAGE - The graphene-crown ether-metal ternary composite material: can promote the reversible formation and decomposition of the lithium-carbon dioxide battery discharge product lithium carbonate; and improves the cycle stability of the battery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation method of graphene-crown ether-metal ternary composite material.