▎ 摘　　要

NOVELTY - Preparation of carbon-coated titanium dioxide nanosheet array-graphene composite electrode material involves dispersing graphene oxide in alcohol to obtain graphene oxide solution, mixing glycerol, alcohol and anhydrous ether, adding graphene oxide solution, stirring, adding titanium power, stirring, adding obtained solution into reactor, sealing, reacting, centrifuging, washing obtained solid, drying to obtain titanium-containing organic compound-graphene nanosheet array original powder, and calcining obtained powder in a mixed atmosphere of argon and hydrogen. USE - Preparation of carbon-coated titanium dioxide nanosheet array-graphene composite material (claimed) used for electrode of lithium ion battery. ADVANTAGE - The method enables preparation of carbon-coated titanium dioxide nanosheet array-graphene composite electrode material which electrode having improved electroconductivity. The lithium ion battery using the electrode has excellent rate performance and cycle characteristics. DETAILED DESCRIPTION - Preparation of carbon-coated titanium dioxide nanosheet array-graphene composite electrode material involves dispersing 20-100 mg graphene oxide in 10-15 mL alcohol for 30-120 minutes to obtain graphene oxide solution, mixing glycerol, alcohol and anhydrous ether for 20-30 minutes, adding graphene oxide solution, stirring for 10-30 minutes, adding 0.4-1 g titanium power, stirring for 4-6 hours, adding obtained solution into reactor, sealing, reacting, centrifuging, washing obtained solid using anhydrous ethanol, drying to obtain titanium-containing organic compound-graphene nanosheet array original powder, and calcining obtained powder in a mixed atmosphere of argon and hydrogen.