▎ 摘　　要

NOVELTY - Graphene-containing lithium ion battery comprises anode pole, cathode pole, and insulating film between anode and cathode pole. The anode pole comprises anode current collector aluminum foil and anode coating layer on both sides of aluminum foil. The anode coating layer comprises anode active material, binder, and graphene-containing composite conductive agent. USE - Graphene-containing lithium ion battery. ADVANTAGE - The product has high electrical conductivity, energy density and rate capability, and excellent compacting density. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene-containing lithium ion battery comprising mixing anode, binder and graphene-containing composite conductive agent, dispersing in N-methyl-2-pyrrolidone and stirring to obtain anode slurry; dispersing cathode, conductive agent and binder in deionized water, and stirring to obtain cathode slurry; applying anode and cathode slurry in both sides of anode and cathode current collector aluminum foil and copper foil, respectively, drying, respectively, and cutting into anode and cathode poles; and rolling and forming into lithium ion battery by laminating or winding.