Design improvements in constructing electrolytic cell receptacles for electrowinning and electrorefining of nonferrous metals are disclosed, along with a novel mold and molding method. Also disclosed arc formulations for three-layered polymer composite materials and surface scaling coatings, which are used in monolithic formation of receptacles or containers of electrolytic cells.

Design improvements in constructing electrolytic cell receptacles for electrowinning and electrorefining of nonferrous metals are disclosed. Also disclosed are formulations for three-layered polymer composite materials and surface sealing coatings, which are used in monolithic formation of receptacles or containers of electrolytic cells.