▎ 摘 要
NOVELTY - Preparation of reduced graphene oxide comprises adding graphene oxide to ionic liquid, ultrasonically dispersing, obtaining graphene oxide ionic liquid solution, heating to 150-220 degrees C and reacting for 6-30 hours. USE - Method for preparing reduced graphene oxide used as supercapacitor electrode material (claimed). ADVANTAGE - The method is simple and green, and has high practical degree.