CATHODE ASSEMBLY COMPRISING A SURFACE-PROFILED CATHODE BLOCK HAVING A GROOVE OF VARIABLE DEPTH AND LINED WITH A GRAPHITE FILM

摘要

The present invention relates to a cathode assembly for an aluminum electrolytic cell, comprising at least one cathode block on the basis of carbon and/or graphite, which has in at least some sections a profiled surface and at least one groove, wherein at least one busbar is provided in the at least one groove, the at least one groove having a varying depth over its length and being lined in at least some sections with a graphite film. The invention also relates to a corresponding cathode block.