▎ 摘　　要

NOVELTY - A fiber composite comprises a microfiber bundles formed by bonding graphene flakes and carbon nanotubes as an electrode active material, nanofiber web wrapped around the microfiber bundles and coated with coating material chosen from metal, carbon nanotubes, active carbon, metal oxide nanoparticles, an electrolyte filled in the fine pores of nanofiber web and the microfiber surface, and an insulating film surrounding the nanofiber web and the electrolyte. USE - Fiber composite is used in electronic device and wearable device. ADVANTAGE - The fiber composite has excellent electric energy storage performance, excellent durability and mechanical property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of fiber composite.