Abstract: Disclosed is a cathode block having a slot geometry, said carbon-based cathode block for an electrolysis cell for the production of aluminium being provided with at least one slot for accommodating at least one cathode bar, said at least one slot having at least one cavity, at least some sections of which extend in the longitudinal direction of the slot and which includes at least one undercut.
Abstract: An electrolytic cell for the production of aluminium including collector bars under the cathode, namely a copper collector bar whose external terminal end is connected by a conductor element providing electrical connection of the collector bar to an external bus. This conductor element comprises a flexible connector strip of the same or a different highly conductive metal as the conductor bar, such as copper.
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