▎ 摘　　要

NOVELTY - Preparing graphene/graphene vertical fiber involves preparing an oxidized graphene aqueous solution by Hummers method, concentrating a portion of the oxidizing graphene gel solution to obtain a graphene oxide gel liquid, mixing and stirring the graphene aqueous solution and hydrogen peroxide solution obtained in step (i) to obtain mixture A, and then carrying out hydrothermal reaction to the mixture A to obtain an oxidization graphene quantum dot solution, and mixing the oxidizer gel solution with the graphene oxide quantum dots solution to prepare an oxidizer graphene graphene solution, adjusting the viscosity of the oxidation graphene gel under the condition of room temperature, pumping into the coagulation bath of the sudden expansion hole, and spinning the graphene gel to obtain the oxidizers graphene gel, washing and drying the vertical fiber, drying, and using hydroiodic acid to reduce to obtain graphene or graphene. USE - Preparation method of vertical fiber of graphene/graphene used in flexible wear-resistantdevice. Uses include but are not limited to mobile phone, watch, intelligent, furniture, sensing, heating, color changing, generating and electromagnetic shielding. ADVANTAGE - The method provides graphene fiber with excellent graphene properties, low toxicity, excellent mechanical strength, and good application prospect in the electrochemical field. The graphene fiber has excellent mechanical flexibility and stability, and has good application prospects in the flexible energy storage device.