ON THE NATURE OF THE INDUCTION PERIOD DURING THE ELECTROWINNING OF ZINC FROM NICKEL CONTAINING SULFATE ELECTROLYTES

被引：33
|
作者：
WIART, R
CACHET, C
BOZHKOV, C
RASHKOV, S
机构：
[1] BULGARIAN ACAD SCI,INST PHYS CHEM,BU-1040 SOFIA,BULGARIA
[2] UNIV PARIS 06,CNRS,PHYS LIQUIDES & ELECTROCHIM LAB 15,F-75252 PARIS 05,FRANCE
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 1990年 / 20卷 / 03期
关键词：
D O I：
10.1007/BF01076045
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
As a result of detailed voltammetric, impedance, electron microscopic and optical in situ investigations of the peculiarities encountered in zinc electrowinning from nickel-containing acid electrolytes, a model for the 'induction period' is proposed and its dependence on the process conditions is elucidated. The model is based on the screening effect of hydrogen bubbles formed on the nickel-rich regions of the cathode which give rise to local galvanic cells. © 1990 Chapman and Hall Ltd.
引用
收藏
页码：381 / 389
页数：9
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