▎ 摘　　要

NOVELTY - Preparing copper-based graphene composition coiled material comprises e.g. adding graphite powder and strong oxidant in the reactor, then mixing graphite powder and strong oxidant, after mixing, then heating to evaporate the water in the solution, obtaining graphite oxide after evaporation, then subjecting the obtained graphite oxide to ultrasonic treatment, obtaining graphene oxide after processing, reducing the graphene oxide to graphene using a strong reducing agent, mixing the prepared graphene with an alcohol solution, performing ultrasonic oscillation using an ultrasonic oscillation device on the mixed solution to prepare a monodispersed graphene uniform solution, then adding the copper alloy powder into mixed solution, placing into a ball mill irrigation for mechanical ball milling, pouring mixed solution into a beaker, placing beaker in drying box to dry, and drying to obtain copper-based graphene powder, and applying hot isostatic pressing treatment to the obtained sheath. USE - The method is useful for preparing copper-based graphene composition coiled material. ADVANTAGE - The method: adopts a strong reducing agent to reduce graphene oxide to graphene; enhances the binding force of graphene and copper base; has simple preparation process and high productivity; and is ecomomical. DETAILED DESCRIPTION - Preparing copper-based graphene composition coiled material comprises (i) adding graphite powder and strong oxidant in the reactor, then mixing graphite powder and strong oxidant, after mixing, then heating to evaporate the water in the solution, obtaining graphite oxide after evaporation, then subjecting the obtained graphite oxide to ultrasonic treatment for 0.5-3 hours, obtaining graphene oxide after processing, reducing the graphene oxide to graphene using a strong reducing agent; (ii) mixing the prepared graphene with an alcohol solution, performing ultrasonic oscillation using an ultrasonic oscillation device on the mixed solution to prepare a monodispersed graphene uniform solution, then adding the copper alloy powder into the mixed solution, placing into a ball mill irrigation for mechanical ball milling, pouring the mixed solution into a beaker, then placing the beaker in the drying box to dry, and drying to obtain copper-based graphene powder, and the content of graphene in the copper-based graphene powder is 3-8 wt.%; and (iii) filling the prepared copper-based graphene powder into the inside of the jacket, then evacuate the sheath, sealing the sheath after vacuuming, applying the hot isostatic pressing treatment to the sheath, shaping the copper-based graphene powder inside the jacket, then molding, and obtaining compact copper-based graphene preset ingot.