▎ 摘　　要

NOVELTY - Preparing electrochemical high quality graphene comprises (i) mixing the graphite with lithium to obtain graphite plugged compound layer, (ii) mixing the step (1) prepared graphene plugged compound layer in the electrolyte lithium ion battery by the process of charging and discharging between the module graphite alkene layers to obtain graphene compound, (iii) taking step (ii) obtained graphene compound and dispersing in solvent, carrying out ultrasonic treatment, filtering and washing to obtain electrochemical high quality graphene. USE - The method is useful for preparing electrochemical high quality graphene (claimed). ADVANTAGE - The high quality graphene is suitable for industrial production.