▎ 摘　　要

NOVELTY - A positive electrode current collector comprises graphene composite aluminum foil material layer, where the graphene composite aluminum foil material layer comprises aluminum foil substrate, planar graphene layer, and the planar graphene layer located in parallel on the aluminum foil substrate, vertical graphene layer, and the vertical graphene layer vertically on the planar graphene layer. USE - Positive electrode current collector. ADVANTAGE - The positive electrode current collector positive electrode current collector has high yield, and improves the cycle stability and peel strength of the electrode material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a lithium ion battery.