▎ 摘　　要

NOVELTY - A graphene coated inorganic nano-particle ion battery cathode material preparing method involves selecting graphene coated inorganic nanometer particle, mixing dispersing agent with oxidation graphene solution to obtain a mixture, subjecting the mixture under ultrasonic to obtain evenly mixed liquid, connecting high-pressure air flow part with a spraying device to perform instant liquid mixing process, atomizing the instant mixture by a closeness device with low air flow at 100-800 degrees C to quickly form volatile solvent and preparing graphene coated inorganic ion battery cathode material. USE - Method for preparing a graphene coated inorganic nano-particle ion battery cathode material. ADVANTAGE - The method enables preparing a graphene coated inorganic nano-particle ion battery cathode material with improved circulation performance. DETAILED DESCRIPTION - A graphene coated inorganic nano-particle ion battery cathode material preparing method involves selecting graphene coated inorganic nanometer particle with 100-2000nm diameter, mixing dispersing agent with oxidation graphene solution to obtain a mixture, subjecting the mixture under ultrasonic for 2-4 hours to obtain evenly mixed liquid, connecting high-pressure air flow part with a spraying device to perform instant liquid mixing process, atomizing the instant mixture by a closeness device with low air flow at 100-800 degrees C to quickly form volatile solvent and preparing graphene coated inorganic ion battery cathode material.