▎ 摘　　要

NOVELTY - A hollow graphene microsphere comprises 60-70 pts. wt. graphene oxide, 2-4 pts. wt. glycidyl methacrylate, 4-7 pts. wt. template agent, 3-4 pts. wt. hydroxyethyl cellulose, 0.1-0.2 pt. wt. sodium carbonate, 10-16 pts. wt. aluminum isopropoxide and 30-40 pts. wt. silicon carbide micropowder. USE - Hollow graphene microsphere. ADVANTAGE - The product has wide range of applications including conductive materials and refractory materials, suitable as absorbing material, and has superior environmental resistance and long service life. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of hollow graphene microsphere comprising taking glycidyl methacrylate, adding 10-20 times isopropanol, stirring, add template agent, heating at 55-60 degrees C, stirring for 3-4 hours, distilling off isopropanol, obtaining pretreated template agent, taking graphene oxide, adding 60-80 times deionized water, ultrasonicating for 10-20 minutes, adding hydroxyethyl cellulose, stirring at 60-70 degrees C for 10-30 minutes, obtaining graphene oxide dispersion, taking silicon carbide micropowder, adding 30-40 times deionized water, ultrasonicating for 3-5 minutes, mixing with graphene oxide dispersion, stirring to obtain composite dispersion, mixing with pretreated template agent, stirring, adding aluminum isopropoxide, stirring for 3-5 hours, heating at 170-180 degrees C, add sodium carbonate, stirring for 2-4 hours, filtering, taking filter cake, drying at 160-200 degrees C for 1-2 hours, taking out, calcining at 800-900 degrees C for 100-130 minutes, and cooling.