▎ 摘　　要

NOVELTY - Preparing graphene concentrate, comprises dissolving aqueous titanate in water, adding graphene powder, carrying out ultrasonic dispersion under magnetic field to obtain graphene dispersion, applying low magnetic field, carrying out distillation or decompression distillation to obtain graphene concentrate. USE - The method is useful for preparing graphene concentrate (claimed). ADVANTAGE - The method improves the binding force of graphene and graphene dispersion performance. The graphene has high strength and good electrical and thermal conductivity properties.