▎ 摘　　要

NOVELTY - The application claims a preparation system of graphene coated electrode material. the preparation system comprises an air extracting device, a conveying device, a power device, a reaction tube, a radio frequency coil and a heating furnace, the power device provides power for the conveying device. the inner part of the reaction tube contains a material conveying device, two ends respectively the reaction tube are hermetically connected with the power device and the air pumping device. the side wall of the reaction tube is provided with a feeding port, an air inlet and a discharging port, one end of the reaction tube connected with the air pumping device is provided with an air outlet. the radio frequency coil is sleeved outside the reaction tube and close to the power device, the heating furnace is set outside the reaction tube and close to the air pumping device, the heating furnace and the radio frequency coil are provided with a interval in the radial direction of the reaction tube. Through the above design, it can realize graphene in-situ coating electrode material, and is good for realizing fast and uniform coating.