▎ 摘　　要

NOVELTY - Preparing solid phase graphene electric conduction dispersion, comprises dissolving carbon nano tube aqueous dispersant solution in distilled water, carrying out ultrasonic treatment, centrifuging, collecting supernatant, dispersing uniformly graphene supernatant in aqueous solution to obtain graphene dispersion solution; heating, adding electric conduction carbon black absorbing graphene, stirring adsorbing; filtering absorbing graphene by vacuum suction filtration, drying filter cake; and pulverizing cake in pulverizer to obtain solid phase graphene electric conduction dispersion. USE - The method is useful for preparing solid phase graphene electric conduction dispersion (claimed). ADVANTAGE - The method is simple and easy to operate. DETAILED DESCRIPTION - Preparing solid phase graphene electric conduction dispersion, comprises (i) dissolving 1-5 pts. carbon nano tube aqueous dispersant solution in 200-500 pts. distilled water, adding graphene, carrying out ultrasonic treatment at 20-120 KHz for 0.3-3 hours, centrifuging at 2000-6000 revolutions per minute, collecting supernatant, dispersing uniformly graphene supernatant in aqueous solution to obtain graphene dispersion solution, where the graphene dispersion solution concentration is 0.1-10%; (ii) adjusting graphene dispersion solution pH to 3-8, heating at 30-80 degrees C, adding 10-50 times amount of electric conduction carbon black absorbing graphene, stirring adsorbing for 20-40 minute; (iii) filtering electric conduction carbon black absorbing graphene by vacuum suction filtration, drying filter cake in a oven at 90-135 degrees C for 10-24 hours; and (iv) pulverizing dried filter cake in pulverizer to 100-500 mesh to obtain solid phase graphene electric conduction dispersion.