▎ 摘　　要

NOVELTY - Method for preparing the functionalized graphene adhesive for lead-carbon battery negative pole involves (a) dispersing graphene oxide (GO) in aqueous ethanol solution, adding EDTA complex solution, stirring evenly, heating to remove the solvent, and roasting in nitrogen protective atmosphere, (b) performing ultrasonic dispersion of the RGO and 4-aminodiphenylamine loaded with porous carbon on the surface, (c) adding hydrochloric acid, oxidizing agent and sodium sulfate to the graphene mixture, and reacting, performing electrochemical oxidative polymerization, washing and drying, (d) using methyl methacrylate and 9-anthracene-methyl methacrylate as raw materials to synthesize 9-anthrcenemethyl methacrylate-methyl methacrylate (AMMA-MMA) copolymers, adding AMMA-MMA copolymer and the surface double-modified RGO to the low-boiling point organic solvent, stirring evenly, and heating to obtain the functionalized graphene adhesive. USE - The method is used for preparing the functionalized graphene adhesive for lead-carbon battery negative pole, including electric bicycle, automobile starting and stopping, clean energy, industrial electronic, communication, and military industry. ADVANTAGE - The highly active porous carbon produced by the pyrolysis of the above-mentioned method combined with the conductive polyaniline formed in the pores can provide more lead sulfate nucleation sites for the formation of lead sulfate tiny grains with high solubility, makes the lead-carbon battery have higher charge acceptance and cycle capacity, and can glue the negative electrode grid, active material lead powder and graphene into one, and effectively overcome the problems of plate strength reduction and active material falling off during the cycle process. DETAILED DESCRIPTION - Method for preparing the functionalized graphene adhesive for lead-carbon battery negative pole involves (a) dispersing graphene oxide (GO) in aqueous ethanol solution, adding EDTA complex solution, stirring evenly, heating to remove the solvent, and roasting at 850-950℃ in nitrogen protective atmosphere to obtain reduced graphene oxide (RGO) with porous carbon on the surface, (b) performing ultrasonic dispersion of the RGO and 4-aminodiphenylamine loaded with porous carbon on the surface of step (b) to obtain a graphene dispersion, heating up to 110-130℃ and stirring to react to obtain a graphene mixed solution of aminated graphene with porous carbon on the surface and unreacted 4-aminodiphenylamine, (c) adding hydrochloric acid, oxidizing agent and sodium sulfate successively to the graphene mixture in step (b), controlling the temperature at 70-80℃, and reacting for 90-120 minutes, performing electrochemical oxidative polymerization in porous carbon pores to form doped polyaniline, washing and drying to obtain double surface modified RGO, (d) using methyl methacrylate and 9-anthracene-methyl methacrylate as raw materials to synthesize 9-anthracenemethyl methacrylate-methyl methacrylate (AMMA-MMA) copolymers, adding AMMA-MMA copolymer and the surface double-modified RGO in step (c) to the low-boiling point organic solvent, stirring evenly, and heating to volatilize the low-boiling point organic solvent to obtain the functionalized graphene adhesive.