▎ 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 an electrode wire, an insulating coating, a substrate, and graphene coating, wherein the wire electrode is made of conductive metal. it comprises base part and the lead part, the insulating coating made of insulating material, which covers the conductor portions, the substrate made of insulating material, which is disposed in the base portion, the graphene coating attached on the substrate and the base portion. 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.