▎ 摘　　要

NOVELTY - Producing graphene, comprises e.g. (a) sealing a reaction chamber by using precursor of liquid phase containing carbon and carbon source for compartmentalizing the internal environment and the external environment, (b) continuously supplying metal catalyst into the sealed reaction chamber by using a metal catalyst supplying roll unit, and (c) producing graphene from the precursor using energy source including at least one of light, heat, plasma, microwave, induction heating and high-frequency inductively coupled plasma with the metal catalyst within the reaction chamber. USE - The method is useful for producing graphene by continuous roll-to-roll method (claimed). ADVANTAGE - The method is easy, has reduced process time, reduces production cost, accelerates commercialization of electronic material sector, and produces graphene having excellent physical properties. DETAILED DESCRIPTION - Producing graphene, comprises (a) sealing a reaction chamber by using precursor of liquid phase containing carbon and carbon source for compartmentalizing the internal environment and the external environment, (b) continuously supplying metal catalyst into the sealed reaction chamber by using a metal catalyst supplying roll unit, (c) producing graphene from the precursor using energy source including at least one of light, heat, plasma, microwave, induction heating and high-frequency inductively coupled plasma with the metal catalyst within the reaction chamber, and (d) transporting the continuously produced graphene into the outside from the sealed reaction chamber by using a recovering roll unit. An INDEPENDENT CLAIM is also included for graphene producing apparatus comprising a metal catalyst supplying unit; a graphene producing unit having the reaction chamber continuously connected with the metal catalyst supplying unit and having the partitioned external environment and the internal environment, sealed lower portion, and the precursor of liquid phase containing carbon; a flexible substrate forming unit continuously connected to the graphene producing unit for forming the flexible substrate on the surface of the graphene; an etching unit (800) continuously connected to the flexible substrate forming unit for remove the metal catalyst; a washing unit continuously connected to the etching unit for washing the graphene; a flexible substrate supplying unit (1000) continuously connected to the washing unit for supplying the flexible substrate for transporting the graphene on the flexible substrate; a graphene transporting unit (1010) continuously connected to the flexible substrate supplying unit for transporting the graphene on the flexible substrate; and a winding unit (1100) continuously connected to the graphene transporting unit for winding the graphene transported on the flexible substrate. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the graphene producing apparatus. Etching unit (800) Flexible substrate supplying unit (1000) Graphene transporting unit (1010) Winding unit (1100)