▎ 摘　　要

NOVELTY - Device comprises base (1), insulation groove (2), vertical plate (3), lifting driving mechanism, fixing rod (5), and power source. The insulation groove and vertical plate are fixed on base. The lifting driving mechanism is fixed on vertical plate and connected to power source and fixing rod. The insulation groove is provided with conductive electrode (21) and growth substrate fixing plate. The conductive electrode is connected to anode source. The growth substrate fixing plate is connected to negative source. The fixing rod is set with peel bar. USE - Device used for preparing graphene (claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method of using the device. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of device. Base (1) Insulation groove (2) Vertical plate (3) Fixing rod (5) Conductive electrode (21)