▎ 摘　　要

NOVELTY - High intensity and compact ordered porous graphene fiber, is claimed. The fiber strength is more than 90 MPa, a graphite alkene layer sheet is substantially oriented along the fiber axis, the distance between the plies is less than 1 mu m, the fiber density is 0.2-1.8 g/cm3, and the conductivity is greater than 1S/cm. USE - The porous graphene fiber is useful in energy devices, electrochemical sensors and water treatment. ADVANTAGE - The porous graphene fiber: has adjustable pore size and orientation, fiber section shaped structure, surface roughness, good strength and electrical conductivity. The method is simple, low in cost; high efficiency, fiber structure and controllable property; and can achieve continuous mass preparation. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for continuous preparation of the high intensity and compact ordered porous graphene fiber, comprising (i) adding graphite in concentrated sulfuric acid solution containing oxidant and pro-oxidant, oxidizing at 20-50 degrees C for 1-72 hours, washing, separating, and drying to obtain graphite oxide; (ii) adding graphite oxide in neutral or alkaline water, processing dispersing treatment by mixing to obtain graphene oxide aqueous solution with concentration of 0.1-20 wt.%, adding alkali and regulating pH value to 4-13, filtering and removing impurities, and defoaming to obtain a spinning liquid; (iii) passing the spinning liquid through a capillary tube or spinneret plate with aperture of 20 mu m to 2 mm, and length-to-diameter ratio of greater than 0.2, extruding into a coagulating bath under speed of 0.1-100 m/minute for curing to obtain fiber, heating and drying, winding and collecting to obtain porous graphene oxide fiber; and (iv) subjecting the graphene oxide fiber to chemical or physical reduction process.