▎ 摘　　要

NOVELTY - Preparing highly oriented graphene fiber comprises taking a large layer of expandable natural flake graphite as raw material, preparing intercalation oxidation and the graphene spinning solution, preparing coagulant, wet spinning of primary graphite oxide, arranging the primary gel-oxidized graphene fibers in a stretched form, the fibers were stretched at a certain temperature, and drying to obtain a high machine mechanical properties of oriented graphene fibers. USE - The method is useful for preparing highly oriented graphene fiber (claimed). ADVANTAGE - The preparation method is simple, economical and has good tensile strength.