Method of electrolytic metal coating of a strip-shape metal subs

Details Method of electrolytic metal coating of a strip-shape metal subs Method of electrolytic metal coating of a strip-shape metal subs

1989-06-12

1990-02-13

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204206, C25D 706, C25D 1700

Patent

active

049004069

ABSTRACT:
In the electrolytic metal coating of a strip-shape metal substrate, the substrate is passed in a continuous process as cathode through an electrolytic coating apparatus having an insoluble anode, the cathode and anode being connected to an external voltage source so that metal ions are deposited onto the substrate from an acidic electrolyte between the cathode and anode. To increase the anode service life and reduce power consumption, a hydrogen-providing gas, e.g. molecular hydrogen, is fed to the anode and a catalyst is available at the anode, so that under the influence of the catalyst electrons and hydrogen ions are formed from said hydrogen-providing gas, the hydrogen ions passing into the electrolyte.

REFERENCES:
patent: 3669852 (1972-06-01), Winters
Chemical Abstracts, Vol. 104, No. 4, (1986), page 172, No. 22301s, Cook, "Using Fuel Cells or Anode Depolarization to Reduce Electrowinning Energy Consumption".

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