▎ 摘　　要

NOVELTY - Preparation of fuel battery composite material includes mixing 1,4-bis(tetrahydrothienylmethyl)xylene dichloride and acetonitrile aqueous solution, adding solid sodium diethyldithiocarbamate trihydrate, stirring for 2-4 hours, adding water, extracting with ether, drying using magnesium sulfate and evaporating solvent to obtain p-xylylene bis(N,N-diethyldithiocarbamate) monomer; dissolving in anhydrous tetrahydrofuran, mixing with aqueous solution of graphene oxide, performing continuous nitrogen degassing for 1-2 hours to obtain mixed solution A; adding tetrahydrofuran/n-heptane solution, stirring at - 70 degrees C for 90 minutes, performing continuous nitrogen degassing, adding ethanol to stop reaction, neutralizing with hydrochloric acid solution and extracting with chloroform; and combining extracted organic layers, distilling off solvent under reduced pressure to obtain solid, redissolving in chloroform, precipitating at 0 degrees C in ether/hexane solution and drying precipitate under vacuum. USE - The method is for preparation of fuel battery composite material for graphene oxide polyphenylenevinylene polymer composite material (claimed). ADVANTAGE - The method solves problem of poor corrosion resistance of existing bipolar plates. It obtains high conductivity of the fuel battery composite material. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) graphene oxide polyphenylenevinylene polymer composite material comprising fuel battery composite material; (2) bipolar plate for fuel battery comprising surface substrate, channels and conductive coating containing graphene oxide polyphenylenevinylene polymer composite material; and (3) fuel cell comprising end plates and membrane electrode assembly containing polymer film provided with catalyst layer provided with gas diffusion layer, and bipolar plate provided to membrane electrode assembly.