FIELD: electricity.
SUBSTANCE: cathode for an aluminium electrolytic cell consists of cathode blocks and lead rods attached thereto with the grooves receiving the lead rods in these cathodes having the greater depth in the centre than at both peripheries of the cathode block. Besides the thickness of the lead rod is greater in the centre than at both peripheries of the cathode block. Also there are described methods for making a cathode and electrolytic cell with said cathode.
EFFECT: more uniform current distribution and thereby longer operation life of such cathodes and improved productivity of the electrolytic cell are provided.
14 cl, 8 dwg, 2 ex
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