CATHODE CONFIGURATION, CATHODE BLOCK WITH A GROOVE, AND PRODUCTION METHOD
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United States of America Patent
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app pub date -
Aug 12, 2013
filing date -
Feb 11, 2011
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Abstract
A cathode configuration for an aluminum electrolysis cell has at least one cathode block based on carbon and/or graphite. At least one groove is formed in the cathode block and the groove is lined with a graphite foil, at least in certain regions. At least one busbar is disposed in the groove and has an encasement of cast iron at least in certain regions. At least one recess is formed in the wall of the cathode block that delimits the at least one groove, and the encasement of cast iron engages into the at least one recess, at least in certain portions. A cathode block for such a cathode configuration is provided and also a process for producing a cathode configuration for an aluminum electrolysis cell.
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