▎ 摘　　要

NOVELTY - Preparing water-soluble graphene involves putting the graphite material as anode material, the aqueous solution of persulfate as electrolyte, and performing electrolysis reaction to realize the electrochemistry peeling of anode material to obtain preliminary dispersed soluble dispersion material. The dispersed material is subjected to ultrasonic treatment, filtered, washed and dried to obtain the water-soluble graphene powder, then the water-soluble graphene powder is dispersed in water to obtain dispersed liquid of graphene. USE - Method for preparing water-soluble graphene (claimed). ADVANTAGE - The method enables to prepare water-soluble graphene which is easy to process in a simple, eco-friendly and cost-effective manner. It overcomes the problems of poorly water-soluble graphene having poor solubility and conductivity. It has weak oxidation, good water-solubility, good conductive ability, mechanical strength, no impurity, and high efficiency and yield.