▎ 摘　　要

NOVELTY - Water-alcohol solution of copper sulfate is prepared, ethyl alcohol is added to it to a concentration of 37.5-42.5 ml/l, acidified to pH of 1-2 and divided into two parts. A suspension is prepared from one part, in which graphite-graphene mixture is added in an amount of 0.05-0.5 g/l and surfactants Pluronic F-127 or polyacrylic acid in an amount of 25-100 ppm, dispersed for 15-20 min. The electrochemical deposition cell is assembled, placed in a copper solution and the working voltage is fed for 20-30 minutes. Then the two-electrode cell is moved to the obtained graphene-containing suspension with surfactants and the working voltage is fed to the electrodes for 120-180 min. After the specified aging in the solutions, the electrodes are dried, and the resulting composite "copper-graphene" is separated, which has a high uniformity and crystallinity, a small crystallite size, a uniform distribution of graphene in the matrix. USE - Chemistry. ADVANTAGE - Increase of the material microhardness. 1 cl