▎ 摘　　要

NOVELTY - Preparation of graphene by ultrasonic assisted supercritical liquid phase stripping comprises taking graphite as raw material and performing carbon dioxide supercritical treatment and ultrasonic treatment on graphite. USE - The method is for preparation of graphene by ultrasonic assisted supercritical liquid phase stripping. ADVANTAGE - The method has simple process, low cost, abundant raw materials and easy mass production. The graphene has high quality.