CARBON FIBER COMPOSITION INCLUDING GRAPHENE NANO-POWDER AND FABRICATION METHOD FOR CARBON FIBER USING THE SAME

摘要

The present disclosure relates to a carbon fiber composition and a fabrication method for high-performance carbon fiber using the same. The method can fabricate high-performance carbon fiber (or graphite fiber) with lowering a graphitization temperature by using graphene carbon fiber composition including nano-sized graphene.

主权项

1. A method for fabricating high-performance carbon fiber, the method comprising steps of:
a mixing step to making a graphene carbon fiber composition by mixing a composition for fabricating carbon fiber, and graphene powder, wherein the composition for fabricating carbon fiber includes one selected from the group consisting of polyacrylonitrile (PAN)-based carbon fiber, pitch-based carbon fiber, rayon-based carbon fiber and combinations thereof; and a heat treatment step of the graphene carbon fiber composition, and wherein the graphene powder serves as a seed of nanoribbon-shaped graphite to be formed during carbon fiber fabricating processes.