▎ 摘　　要

NOVELTY - Preparation of high quality graphene with controllable sheet thickness comprises mixing carbon source and separation/dispersion additive at volume ratio of 1-100:1, dispersing in liquid medium A, peeling at - 10 to 100 degrees C, grinding for 0.5-5 hours, adding liquid medium B, eluting, and drying. USE - Method for preparing high quality graphene with controllable sheet thickness (claimed). ADVANTAGE - The preparation method is simple, inexpensive, and suitable for industrial production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the automatic peeling device comprising multi-roller device, colloidal mil, grinder, emulsifier dispersion device, sand mill, juice and soybean milk machine, homogenizer and screw extruder.