An electrolytic cell for the reduction of aluminum having a layer of interlocking cathode tiles positioned on a cathode block. Each tile includes a main body and a vertical restraining member to prevent movement of the tiles away from the cathode block during operation of the cell. The anode of the electrolytic cell may be positioned about 1 inch from the interlocking cathode tiles.
STATEMENT REGARDING FEDERALLY FUNDED RESEARCH
The subject matter of this application was made with United States Government support under Contract No. DE-FC07-97ID13567 awarded by the Department of Energy. The United States Government has certain rights to this invention.