▎ 摘　　要

NOVELTY - Graphene solid electrolytic cell device comprises electrolysis cell and graphene composite membrane electrode arranged in electrolysis cells, where graphene compound membrane electrode is composed of hydrogen evolution catalytic layer, graphene layer, anion exchange layer and oxygen evolution catalyst layer that are sequentially overlapped. The surface of hydrogen evolution catalyst is arranged towards cathode end of electrolytic cells, and surface of oxygen-evolution catalyst is located towards anode end. The electrode is provided with first electrode, second electrode, and third electrode. USE - The graphene solid electrolytic cell device is used for separating hydrogen isotope. ADVANTAGE - The graphene solid electrolytic cell device effectively improves the separation coefficient of the hydrogen isotope through the OH-1 conduction of the anion exchange membrane and the sieving of the graphene; at the same time, by setting the compact structure to isolate the adverse effect of the carbon dioxide to the alkaline electrolyte, and effectively reducing the energy consumption of other components of the separating device, improving the utilization efficiency of the electrolyte electrolytic separation energy. The graphene composite film electrode is made by hot pressing or spraying method to assemble each material into sandwich structure, as the thickness of the oxygen evolution catalytic layer graphene layer is not to a nanometer, greatly reducing the loss of the electric energy caused by the resistance of the separation material.