▎ 摘　　要

NOVELTY - The utility model relates to the field of aluminium foil, especially relates to an aluminium foil for lithium ion battery positive current collector, the aluminium foil fuses the graphene film and acetylene black with aluminium foil together, which greatly improves the conductivity and flexibility of the aluminium foil. comprising an aluminium foil layer, the inner and outer sides of the aluminium foil layer are respectively provided with a graphene film layer; the outer surface of the graphene film layer is respectively provided with acetylene black film layer; the outer surface of the acetylene black film layer is respectively embedded with several regular tetrahedral grooves. The utility model has simple structure and convenient use and is suitable for multiple lithium batteries.