C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/142, 204/185
C25C 3/08 (2006.01) C25C 7/02 (2006.01)
Patent
CA 1163601
A B S T R A C T A solid cathode in a fused salt electrolytic cell for the production of aluminum is made up of individually exchange- able elements (10). These cathode elements are made up of two parts which are rigidly joined together and which are resistant to thermal shock. The upper part (12) which projects from the molten electr- olyte (30) into the precipitated aluminum (26), or the coating on this part (12), is made of a material which, at working temperature, is a good electrical conductor, is chemically resistant and is wet by aluminum. The lower part (14,16) which is exclusively in the liquid aluminum (26), or the coating on this part (14, 16) is on the other hand made of an insulating material which can withstand molten aluminum.
378173
Swabey Mitchell
Swiss Aluminium Ltd.
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