Long lasting anode for high current density galvanization

Details Long lasting anode for high current density galvanization Long lasting anode for high current density galvanization

1987-12-16

1989-05-09

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

204 141, 204 551, 204211, 204280, 204290R, 204290, 204206, C25D 500, C25D 1700, C25D 1710

Patent

active

048286532

ABSTRACT:
A dimensionally stable anode for high-speed galvanizing processes comprising a plurality of substantially parallel, foraminous layers, in electrical contact with each other, each layer comprising an inert, electroconductive substrate with an oxygen evolving electrocatalytic coating, characterized in that the current density of each individual layer is substantially the same and does not exceed the value corresponding to the minimum desired lifetime of the anode. The number of layers is sufficient to provide the total current density required for the high-speed galvanizing. The anode further comprises spacers suitable for preventing short-circuits.

REFERENCES:
patent: 3856653 (1974-12-01), Rogero et al.

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