▎ 摘　　要

NOVELTY - The device has an electrolytic tank (1), a graphite plate, a material feeding mechanism and graphite paper supporting mechanism. The material feeding mechanism is comprised with a pressing roller and a graphite conductive roller which are connected with power supply positive stage through the carbon brush. The pressing roller and the graphite conductive roller are symmetrically arranged on upper portion of tank. The graphite paper supporting mechanism is fixed above material feeding mechanism and comprised with graphite plate which is arranged in tank as cathode. USE - Electrolytic reaction device for preparing graphene used in optoelectronic device, gas sensor, composite material, field emission material and energy storage application field. ADVANTAGE - The problem related to automation of electrolysis device to prepare graphene is solved effectively. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the electrolytic reaction device. Electrolytic tank (1) Motor (9) Pressing cylinder (10) Graphite paper (14) Frame (16)