▎ 摘　　要

NOVELTY - Graphene oxide fiber comprises closely arranged fiber surface and graphene layered stack structure at fiber diameter of 66-126 mu m and 1000-5000 graphene oxide/meter. USE - Graphene oxide fiber used for generator magnets and copper coils (claimed). ADVANTAGE - The fiber has humidity control of 20-85% and rotating speed limit of 578-5190 revolutions/minute. The generator has open circuit voltage of 0.5-1 mV and short circuit current of 20-40 mu A. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation of graphene oxide fiber comprising mixing graphite, concentrated sulfuric acid and sodium nitrate in ice bath, stirring, adding potassium permanganate, heating at 35 degrees C for 30 minutes, adding deionized water, heating to 90 degrees C for 15 minutes, adding deionized water, cooling, adding hydrogen peroxide, filtering, centrifuging, washing to obtain graphene oxide concentration of 2-10 mg/mL solution, stirring at 30-35 degrees C, evaporating, concentrating at 15-20 mg/mL, pouring into syringe at syringe needle diameter of 0.21-0.34 mm, feeding to saturated potassium chloride methanol solution at hydrogel fiber diameter of 0.21-0.34 mm, removing potassium, rotary machining, processing and drying.