▎ 摘 要
NOVELTY - An anode pole piece comprises anode current collector, and electrode active material formed on a surface of the anode current collector, where the anode current collector comprises graphene composite foil layer, the electrode active material comprises anode material, binder and conductive additive, the graphene composite aluminum foil material layer comprises aluminum foil substrate, planar graphene layer parallel to the surface of the aluminum foil substrate and a vertical graphene layer provided vertically on the planar graphene layer, and the content of the conductive additive is 2-12 mass%. USE - Anode pole piece for lithium ion battery (claimed). DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) a lithium ion battery (2) a method for reducing the interface resistance of anode pole piece.