▎ 摘　　要

NOVELTY - A graphene electrode material preparing method involves placing cleaned current collector on a heating plate, dispersing 20-50 mg of active material in mixed solution of 2-5 ml of water, 5-20 ml of ethanol, 10-40 ml of ethylene glycol and 10-40 ml of propylene glycol and stirring mixture uniformly. A high voltage electrostatic field of 10-20 kV is applied between injector and substrate, followed by spraying liquid inlet at speed of 3-15 ml/hour, heating the plate at 200-300 degrees C, heating graphene oxide loaded current collector under protective gas at 300-700 degrees C to obtain finished product. USE - Method for preparing graphene electrode material that is utilized for manufacturing a lithium ion battery. ADVANTAGE - The method enables preparing graphene electrode material in a simple manner.