▎ 摘　　要

NOVELTY - Producing graphene aggregate from graphite particles in a liquid and extracting each graphene from the graphene aggregate involves filling a container with an organic compound (C1), packing collection of scaly graphite particles or a collection of massive graphite particles, applying a direct current potential difference to the electrode pairs, applying an electric field for destroying all the interlayer bonds of the basal plane comprising scaly graphite particles or the graphite crystals forming the massive graphite particles, applying vibrations in three directions of left-right, front-back, and up-down to the container, mixing an organic compound (C2) with the compound (C1), dispersing collection of graphene separated into individual graphenes, taking out the graphene aggregates from the container, colliding the graphene aggregates with each other, and separating the graphene aggregates into individual graphenes covered with the mixture. USE - Producing graphene aggregate from graphite particles in liquid for extracting individual graphenes. DETAILED DESCRIPTION - Producing graphene aggregate from graphite particles in a liquid and extracting each graphene from the graphene aggregate involves filling a container with an organic compound (C1) having a property (P1) having a viscosity lower than that of methanol, a property (P2) having a density lower than that of methanol, and a property (P3) having a melting point lower than 0 degrees C, flatly packing collection of scaly graphite particles or a collection of massive graphite particles on the surface of one of the parallel plate electrodes forming an electrode pair consisting of two parallel plate electrodes, immersing one parallel plate electrode in the organic compound (C1), superposing the other parallel plate electrode on the one parallel plate electrode via the aggregate of the scaly graphite particles or the aggregate of the massive graphite particles, immersing an electrode pair comprising two parallel plate electrodes in the organic compound (C1), applying a direct current potential difference to the gap between the electrode pairs, applying an electric field corresponding to the size of the potential difference divided by the size of the gap between the electrode pairs to the collection of scaly graphite particles or the collection of massive graphite particles for destroying all the interlayer bonds of the basal plane comprising scaly graphite particles or the graphite crystals forming the massive graphite particles, forming the collection of graphene comprising basal plane in the gap between the electrode pairs, expanding the gap between the electrode pairs, tilting the electrode pairs in the organic compound (C1), applying vibrations in three directions of left-right, front-back, and up-down to the container to move the graphene aggregate from the gap between the electrode pairs into the organic compound (C1), taking out the two parallel plate electrodes from the container, operating the homogenizer device in the organic compound (C1) in the container, applying a shock to the graphene aggregate via the organic compound (C1) to separate the graphene aggregate into individual graphenes in the organic compound (C1), taking out the homogenizer device from the container, mixing an organic compound (C2) having property (P1) of dissolving in the organic compound (C1), a property (P2) of having melting point of more than 40 degrees C, a property (P3) of having boiling point of more than the boiling point of the organic compound (C1), and a property (P4) of having a viscosity at the time of heat melting of more than 40 times the viscosity of the organic compound (C1) at 20 degrees C with the compound (C1), and the compound (C2) has viscosity of 18-24 mPa.second, dispersing a collection of graphene separated into individual graphenes in a mixed solution of the compounds (C1) and (C2), applying vibrations in three directions of left-right, front-back, and up-down repeatedly to the container, overlapping the flat planes of the graphene separated into individual graphenes with each other via the mixed solution on the bottom surface of the container as the shape of the bottom surface, taking out the graphene aggregates from the container and supplying to an airflow type crusher, continuously colliding the graphene aggregates with each other in the crusher to cause the graphene aggregates to collide with each other, separating the graphene aggregates into individual graphenes covered with the mixture, taking out the graphene aggregates separated into the graphenes from the crusher and transferred to a new container, raising the temperature of the new container to the boiling point of the organic compound (C1) to vaporize the organic compound (C1), lowering the temperature of the new container to a temperature lower than the melting point of the organic compound (C2) to solidify the organic compound (C2), and forming a group of graphene comprising graphene in which the graphene separated into individual pieces is covered with a group of fine crystals of the organic compound (C2) in the container.