▎ 摘　　要

NOVELTY - Polymer-graphene composite material comprises grafted graphene fluorinated sulfonimide based polymer or metal salt polymer. USE - Used as polymer-graphene composite material. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparation of polymer-graphene composite material comprising taking graphene, carrying out diazotization reaction using diazo compound, carrying out amination process to obtain surface-modified amino group graphene, mixing with fluorinated sulfonimide monomer and acid-binding agent and carrying out polycondensation reaction to obtain grafted graphene fluorinated sulfonimide based polymer; and (2) product comprising polymer-graphene composite material.