Electrolytic cell and method

Details Electrolytic cell and method Electrolytic cell and method

C - Chemistry, Metallurgy

25

C

204/142, 204/184

C25C 3/08 (2006.01) C25B 9/12 (2006.01) C25C 7/00 (2006.01)

Patent

CA 1252418

Abstract Disclosed are electrolytic cell and method in which first and second electrodes are adapted to pass a current through an inter-electrode zone of specified dimension for containing electrolyte, wherein the first electrode is held free from sup- port by internal cell surfaces, and one electrode is provided with electrical connection to a liquid pad, e.g., of molten metal product, having a higher electrical conductivity than cell elec- trolyte. A preferred embodiment includes channeling gas from the anode, facilitating run-off of product liquid from the cathode, and incorporating bipolar electrode assemblies. The cell and method of the present invention are suitable for the production of a metal, for example, aluminum, from a compound of the metal, e.g., alumina, dissolved in an electrolyte, e.g., cryolite.

452273

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