ELECTROLYTIC REDUCTION CELL FOR PRODUCTION OF METAL Russian patent published in 2002 - IPC

FIELD: mechanical engineering. SUBSTANCE: cell has external steel envelope adjacent layer of insulating agent, carbon- containing layer overlapping insulating agent and protecting this agent against bath of cell; it includes at least one carbon-containing cathode unit. Cathode unit provided with many contact pins for reducing power requirements; these pins are in electric contact with its lower surface; it is also provided with commutator segments which are in electric contact with electric contact pins distributed over lower surface of cathode unit for forming isopotential surface on its upper surface. EFFECT: enhanced efficiency. 7 cl, 10 dwg, 2 tbl