▎ 摘　　要

NOVELTY - Preparation of super-graphene aerogel comprises adding 0.5-12 mg/mL graphene oxide solution into reaction vessel, adding reducing agent, uniformly stirring in water bath at 0-30 degrees C for 30-120 minutes, performing full reduction-oxidation reaction, forming polymer foam block, absorbing for 5-60 minutes, adding to reaction vessel, reducing at 70-100 degrees C, oil bath heating for 8-24 hours, soaking in deionized water for 1-4 days, washing, freezing at - 40 to - 196 degrees C for 20-60 minutes, vacuum-drying at - 15-30 degrees C at 0.1-165 Pa for 5-10 hours, subliming and heating at 500-1000 degrees C for 1-5 hours. USE - Method for preparing super-graphene aerogel (claimed). ADVANTAGE - The aerogel has pore diameter of 10-50 mu m, density of 5-15 mg/cm3, conductivity of 0.01-0.2 Siemens/cm, excellent electrochemical property, maximum specific heat capacitance reaching to 150 F/g at 0.3 A/g, increased current intensity to 50 A/g, keeps 71% specific capacitance and keeps more than 86% capacitance through 10000 times of constant current cycle charging and discharging ratio. The method has simple technique, smart design, easy-to-obtain raw materials and high preparation efficiency, and is environment-friendly. DETAILED DESCRIPTION - Preparation of super-graphene aerogel comprises adding 0.5-12 mg/mL graphene oxide solution into reaction vessel, adding reducing agent at weight ratio of 1: 1-10: 1, uniformly stirring in water bath at 0-30 degrees C for 30-120 minutes, performing full reduction-oxidation reaction, forming polymer foam block with volume of 4.8-5.2 cm3 at room temperature, absorbing for 5-60 minutes, adding to reaction vessel, reducing at 70-100 degrees C, oil bath heating for 8-24 hours, soaking in deionized water for 1-4 days, washing, freezing at - 40 to - 196 degrees C for 20-60 minutes, vacuum-drying at - 15-30 degrees C at 0.1-165 Pa for 5-10 hours, subliming and heating in oven at 500-1000 degrees C for 1-5 hours under inert atmosphere. The reducing agent is hydrazine hydrate, sodium borohydride, formaldehyde, saccharide compounds, ascorbate and/or amino acid. The inert atmosphere is mixed gases of nitrogen, argon, helium or nitrogen.