| 摘要 |
In a method for producing dense sheet-form electrolytic copper by electrowinning, the electrolyte contains a polyethylene glycol additive as a smoothening agent. In the prior art method, stirring is necessary. In an electrowinning method without stirring, the current concentrates on the edge portion of cathode 2. This current concentration is mitigated by means of conducting the electrolyzing current through a window 6b of a shielding plate 6 located in the vicinity of a cathode 2.
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