▎ 摘　　要

NOVELTY - Preparing ion-imprinted material comprises (1) grafting amino silica gel and graphene oxide to obtain graphene oxide silica gel, (2) grafting amino groups on graphene oxide silica gel, and performing double bond modification to obtain double bond graphene oxide silica gel, (3) using vinyl phosphoric acid to modifying phosphoric acid group on the double-bond graphene oxide silica gel to obtain phosphoric acid-based graphene oxide silica gel, (4) placing phosphate-based graphene oxide silica gel in lithium ion solution to graft lithium ions to obtain graphene oxide silica gel containing lithium ion, (5) polymerizing graphene oxide silica gel containing lithium ion, eluting lithium ions to produce lithium ion imprinted polymer, and (6) spinning and drying lithium ion imprinted polymer to obtain ion imprinted material. USE - The method is useful for preparing ion imprinted material, which is useful for adsorbing lithium ion. ADVANTAGE - The material solve problem that the existing ion imprinted material has high cost and bad adsorption effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a ion imprinted material.