▎ 摘　　要

NOVELTY - The utility model claims an artificial cochlear electrode, comprising a plurality of single electrode and the coating layer, the single electrode comprises electrode wires, conductors, insulating coating, and the graphene coating, wherein the wire electrode is made of conductive metal. its one end is set with the conductors, the conductors made of conductive metal, and the electric conduction of the electrode wire, the insulating coating made of insulating material, which covers the electrode wire, the graphene coating is made of graphene and is adhered to the outer surface of the conductors, material of the coating with biological safety and made of insulating material, which covers the single electrode, but exposing the graphene coating. graphene coating of the artificial cochlea electrode be made of graphene used as contact can obtain charge storage ability is high, reducing the contact impedance of the cochlear tissue, prevent the contact surface the cochlear tissue fibrosis, improve the working stability and prolong the service lifetime.