▎ 摘　　要

NOVELTY - An electrically conductive composite material is produced by dissolving polymer in solvent; preparing suspension containing dissolved polymer and non-conductive filler dispersing-aid; preparing suspension containing individual graphene units; mixing the two suspensions; adding antisolvent for polymer to mixed suspension to precipitate composite material; drying; and pressing to remove air and produce desired shape. Non-conductive filler dispersing-aid contains silica or core-shell rubber and is present in an amount of 5-10 vol.%, and graphene units are present in an amount of 1.5-2.5 vol.%. USE - Production of electrically conductive composite material. ADVANTAGE - The addition of non-conductive filler to a composite of graphene and polymer prevents agglomeration of the graphene units during processing. In addition, when the non-conductive filler is dispersed homogeneously throughout a polymer solution, the filler disperses the graphene units into a more random orientation in the polymer, enhancing percolation at low loadings. This increased dispersion within the polymer due to the filler creates a composite that has dramatically higher electrical conductivity than one without. DESCRIPTION OF DRAWING(S) - The drawings show schematic diagrams of the production of graphene nanoplate (GNP)/silica/polystyrene (PS) composite.