Patent ID: 9362018
Filing Date: 2016-06-07
CPC Classification: D01D,D01F,H01B,Y10T

Claim Text:
1. An impregnated fiber tow comprising one or multiple continuous unitary graphene fibers and a matrix material, wherein at least one of said continuous graphene fibers consists of at least 90% by weight of graphene planes that are chemically bonded with one another having an inter-planar spacing d 002 from 0.3354 nm to 0.4 nm as determined by X-ray diffraction, an oxygen content less than 5% by weight, and said continuous graphene fiber is a unitary or monolith neat graphene structure containing no binder, no adhesive, no matrix material, no graphite flakes, and no graphene platelets therein, wherein said graphene planes are parallel to one another and parallel to a fiber axis direction and said graphene fiber contains no core-shell structure, has no helically arranged graphene domains, and has a porosity level less than 5% by volume.