▎ 摘　　要

NOVELTY - The utility model claims a CVD roll-to-roll high-efficiency production preparation device of graphite, belonging to the production technical field roll-to-roll production, comprising a left roll cavity, a transfer chamber and a right roll chamber, the transfer chamber is located between the left roll chamber and the right roll chamber, the transfer chamber and the left roll chamber and the right roll chamber are provided with an annealing furnace and a growth furnace through the quartz tube respectively the transfer chamber is connected with a vacuum pump through an air guide pipe, the left winding cavity and the right winding cavity are provided with adjusting device corresponding to different copper foil winding drum through the connecting component, and the left winding cavity and the right winding cavity are filled with protective gas, the utility model claims a using vacuum pump to make the moving direction of the growth air flow opposite to the operation direction of the copper foil, to avoid the waste stacked on the finished graphene surface, and through the matching of the adjusting device and the connecting assembly to make it suitable for the preparation device of copper foil winding drum with different sizes. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the method.