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Development of High-efficiency Electrolytic Process

A high-efficiency electrolytic process has been realized by the development of a liquid-cushion electroplating cell (LCC). The conventional cell was designed so that the flow of the electrolytic solution would remove oxygen bubbles from the anode and supply ions to the cathode (strip). LCC provides...

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Bibliographic Details
Published in:Transactions of the Iron and Steel Institute of Japan 1986, Vol.26(3), pp.198-205
Main Authors: SAKAI, Kango, YOSHIHARA, Ryoichi, KITAYAMA, Minoru, SHIMOKAWA, Yasuo, KITAZAWA, Yoshio
Format: Article
Language:English
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Summary:A high-efficiency electrolytic process has been realized by the development of a liquid-cushion electroplating cell (LCC). The conventional cell was designed so that the flow of the electrolytic solution would remove oxygen bubbles from the anode and supply ions to the cathode (strip). LCC provides static pressure between the anode and strip, and restores the strip to the pass line. Irregular strip behavior, such as vibration, catenary, twist and camber, is corrected to allow the strip to pass through the cell stably. The liquid cushion imparted by the static pressure enables the strip-anode distance to be reduced to one-fourth to one-eighth of that in the conventional cell. The electrolytic voltage is thereby reduced to a half to quarter of the level ordinarily required, and high-efficiency electrolysis can be performed at a current density of 300A/dm2. The liquid-cushion electroplating cell can be designed and applied as both the horizontal type (LCC-H) and vertical type (LCC-V). LCC-H is already in operation and LCC-V is under test on a production line.
ISSN:0021-1583
1881-1183
DOI:10.2355/isijinternational1966.26.198