▎ 摘　　要

NOVELTY - Preparation of graphene-polypyrrole-lithium titanate composite anode material involves dissolving pyrrole monomer in a solvent, adding graphene dispersion at room temperature, stirring, adding lithium titanate powder and surfactant to resultant mixture, dispersing, maintaining obtained mixture at -2 degrees C to 5 degrees C, stirring, adding initiator, stirring, reacting, filtering, washing, and baking. The mass ratio of pyrrole monomer and initiator is 1:0.05-2. The mass ratio of pyrrole monomer and graphene is 1:0.1-1. The mass ratio of lithium titanate and graphene is 1:0.01-0.1. USE - Preparation of graphene-polypyrrole-lithium titanate composite anode material used for lithium battery. ADVANTAGE - The method enables preparation of graphene-polypyrrole-lithium titanate composite anode material with excellent electroconductivity and electrochemical property, and reduced contact resistance, with reduced energy consumption, by simple process. The graphene-polypyrrole-lithium titanate composite anode material improves performance and safety of lithium battery. DETAILED DESCRIPTION - Preparation of graphene-polypyrrole-lithium titanate composite anode material involves dissolving pyrrole monomer in a solvent, adding graphene dispersion at room temperature, stirring, adding lithium titanate powder and surfactant to resultant mixture, dispersing, maintaining obtained mixture at -2 degrees C to 5 degrees C, stirring, adding initiator, stirring, reacting, filtering, washing, and baking. The mass ratio of pyrrole monomer and initiator is 1:0.05-2. The mass ratio of pyrrole monomer and graphene is 1:0.1-1. The mass ratio of lithium titanate and graphene is 1:0.01-0.1. The mass ratio of pyrrole monomer and surfactant is 1:0.05-1.