▎ 摘　　要

NOVELTY - Preparing graphene hollow fiber comprises e.g. preparing oxidized graphene dispersion with large layers of graphite as raw material, preparing graphene oxide by modified hummers, selecting high speed centrifugation centrifugal liquid, dispersing dilute graphene, diluting to obtain an oxide graphene dispersion, placing outer solution and the inner solution respectively input into the outer and inner layers of the coaxial needle, injecting outer solution into the receiving solution to obtain an aqueous oxidized graphene hollow fiber, and drying to obtain an oxidized graphene hollow fiber. USE - The method is useful for preparing graphene hollow fiber (claimed). ADVANTAGE - The method: has simple operation; does not need post processing and removes impurities; is economical; capable of continuously producing in great amount. DETAILED DESCRIPTION - Preparing graphene hollow fiber comprises (i) preparing oxidized graphene dispersion with large layers of graphite as raw material, preparing graphene oxide by modified hummers, selecting high speed centrifugation centrifugal liquid, dispersing dilute graphene, diluting to obtain an oxide graphene dispersion, (ii) placing outer solution and the inner solution respectively input into the outer and inner layers of the coaxial needle, injecting outer solution into the receiving solution to obtain an aqueous oxidized graphene hollow fiber, drying to obtain an oxidized graphene hollow fiber, (iii) reducing graphene hollow fiber to obtain graphene hollow fiber, where the outer solution is 50-100 mg/ml of graphene oxide solution, the inner solution is a polymer or ionic solution, the polymers include PS, PAA, PI. The ionic liquid includes calcium chloride, 1-butyl-3-methylimidazole 1-allyl-3-methylimidazole, the solution solution is the concentration of 1-3 mol/l of the ionic liquid, the flow rate of the inner layer solution is 0.5-0.8 ml/minutes, the flow rate of the outer solution is 0.2-0.5 ml/seconds.