CATHODE FOR THE WINNING OF ALUMINUM
First Claim
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2. A carbon cathode as claimed in claim 1, further comprising a cathode current withdrawal lead in the array, with the block resistances increasing from the middle of the array outwards in the direction of the current withdrawal lead.
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Abstract
In the winning of aluminum by the electrolysis of alumina dissolved in molten electrolyte, wherein the electrolysis current passes through the surface of a carbon cathode, the electrolysis current is equalized over the surface of the carbon cathode.
6 Citations
2 Claims
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2. A carbon cathode as claimed in claim 1, further comprising a cathode current withdrawal lead in the array, with the block resistances increasing from the middle of the array outwards in the direction of the current withdrawal lead.
Specification
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Current AssigneeHubert Wittner, Kurt Lauer
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Original AssigneeHubert Wittner, Kurt Lauer
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InventorsWittner, Hubert, Lauer, Kurt
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Primary Examiner(s)Williams, Howard S.
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Assistant Examiner(s)Valentine, D. R.
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Application NumberUS05/207,457Time in Patent Office771 DaysField of Search204/294,243R,247US Class Current204/294CPC Class CodesC25C 3/08 Cell construction, e.g. bot...C25C 3/16 Electric current supply dev...
