▎ 摘　　要

NOVELTY - Silica graphene liquid metal composite material comprises 80-110 pts. wt. liquid silica gel, 10-20 pts. wt. fluorinated graphene, 50-70 pts. wt. liquid metal, 5-10 pts. wt. carbon nanotube, 5-8 pts. wt. urea, 30-50 pts. wt. anhydrous ethanol, and 0.5-1 pts. wt. dispersing agent. USE - Used as silica graphene liquid metal composite material. ADVANTAGE - The material has mechanical property and thermal conductivity. The method is simple and environmentally friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the silica graphene liquid metal composite material, comprising (i) adding liquid metal and urea formaldehyde to anhydrous ethanol, and ultrasonically treating for 1-2 hours, ultrasonic frequency 53 kHz, ultrasonic power 180 W, uniformly dispersing liquid metal suspension, (ii) adding fluorinated graphene and carbon nanotubes to a ball mill for 30-60 minutes to obtain a mixture, and (iii) adding liquid metal suspension, liquid silica gel and dispersing agent, mechanically stirring for 2 hours, stirring well, and adding to the grinding device for grinding for 10-15 hours.