▎ 摘　　要

NOVELTY - The utility model claims a graphene battery, comprising an anode substrate, a graphene anode, membrane layer, graphene cathode, cathode substrate; the anode substrate and the cathode substrate is mainly formed by the polyethylene terephathalate PET base layer and a collector layer, a positive electrode and a negative power are made of graphite composite material, graphene battery of this utility model can improve the free carrier density of the graphene, and the corresponding anode and cathode coating material and graphene are tightly combined by composite material. greatly improves the conductivity and stability of graphene, but also improves the energy density of the battery and prolong the service life of the battery.