▎ 摘　　要

NOVELTY - Mechanical peeling and grading graphene microchip comprises putting graphite material and surfactant into continuous screw reaction extruder at 60-350 degrees C at pressure of 20-50 MPa to obtain solid product graphene pre-fabricate slag block, placing into cylindrical container filled with solvent, ultrasonically processing for 30-60 minutes, uniformly dispersing, centrifugally treating for 30-60 minutes, cooling, forming cold solvent, adding coagulant, condensing solvent to obtain cylindrical solid mixture, and splitting according to preset unit size. USE - Method for mechanical peeling and grading graphene microchip (claimed). ADVANTAGE - The method is simple and suitable for large scale production, separates different size, uses high efficiency raw material, and reduces cost. DETAILED DESCRIPTION - Mechanical peeling and grading graphene microchip comprises putting graphite material and surfactant into continuous screw reaction extruder at 60-350 degrees C at pressure of 20-50 MPa to obtain solid product graphene pre-fabricate slag block, placing into cylindrical container filled with solvent, ultrasonically processing for 30-60 minutes, uniformly dispersing, centrifugally treating for 30-60 minutes, cooling, forming cold solvent, adding coagulant, condensing solvent to obtain cylindrical solid mixture, splitting according to preset unit size to obtain N cylindrical solid mixture and center cylindrical solid mixture, adding solvent, heating to dissolve to obtain high purity graphene suspension, drying, and removing solvent.