▎ 摘　　要

NOVELTY - Device comprises a grinding mechanism, movable plate, transmission device, pressurizing device and control device of grinding disc mechanism is fixed tray, rotating relative to fixed shaft, the ring groove structure of tray is electrochemical groove structure outer, middle, inner circle in feeding port, the outer ring groove structure is fan-shaped chute groove, the electrochemical electrode groove, movable disk has outer ring of fan-shaped chute, the chute direction is to disc, the middle ring is three single-groove, the control device is transmission start, the electrochemical groove voltage control integrated system of pressurizing device controller and set transmission speed, the electrochemical groove applied voltage, pressurizing device applies pressure and equipment operation time, the slurry of graphite raw material and other inorganic salt, organic solvent through material inlet device, after electrochemical groove for primary peeling, and millstone rotation further peeling. USE - The device is useful for preparing few-layer graphene composition material (claimed). ADVANTAGE - The device: has strong versatility; the preparation process: is controllable, and has high industrial utilization value. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for use of device for preparing graphene composition material, comprising (i) mixing the flake graphite or graphite powder and inorganic salt and organic solvent to prepare slurry; (ii) placing the slurry into the device inlet; (iii) providing a pressurizing device, electrochemical groove applied voltage, grinding speed and preparation time; and (iv) collecting discharging, allowing to stand and taking the upper layer material i.e. the few-layer graphene composition material, repeatedly using the bottom material for stripping, recycling the solvent and further using. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic representation of device.