Electrode assembly having improved current distribution for use

Details Electrode assembly having improved current distribution for use Electrode assembly having improved current distribution for use

1984-11-13

1985-11-12

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204243R, 204294, 204 67, C25D 1712

Patent

active

045526389

ABSTRACT:
An improved electrode assembly is disclosed for use in a cell for the production of metal by electrolytic reduction comprising a nonmetallic conductive electrode having a top surface and a central current carrying support shaft received in a central bore extending axially downward from the top surface. Conductive fin members extend radially from the central support shaft in the electrode, the fin members comprising a plurality of gate members extending radially from the central shaft adjacent a top surface of the electrode and wing members extending from the gate members downwardly into the electrode from the top surface. The gate members are provided with a width exceeding the depth at least adjacent the top surface of the electrode to provide better heat dissipation adjacent the top face of the electrode. Current passing to the nonmetallic conductive electrode from the central shaft may thus be distributed evenly in the electrode to minimize the voltage drop in the electrode, permit the electrode to run cooler, and reduce the probability of burnoffs.

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patent: 4395613 (1983-07-01), Barr et al.
patent: 4425200 (1984-01-01), Arita
patent: 4448661 (1984-05-01), Roggen

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