▎ 摘　　要

NOVELTY - The utility model claims a copper foil pre-processing device, comprising: unreeling device for conveying copper foil; a winding device for winding and recycling the copper foil; pre-oxidation device, respectively is connected with the unwinding device and the winding device, for performing oxidation treatment to the copper foil; and a control component, for controlling the unreeling device, the pre-oxidation device and the operation parameter of the rolling device. The pre-processing device of the utility model is capable of stably providing uniformly oxidized copper foil substrate for roll-to-roll dynamic growth graphene film, so as to eliminate the influence of industrial copper foil leaving factory state on graphene production process stability to a certain degree.