ELECTROWINNING OF TELLURIUM FROM ACIDIC SOLUTIONS

被引：13
|
作者：
Kowalik, R. [1 ]
Kutyla, D. [1 ]
Mech, K. [2 ]
Tokarski, T. [3 ]
Zabinski, P. [1 ]
机构：
[1] AGH Univ Sci & Technol, Fac Nonferrous Met, Dept Phys Chem & Met Nonferrous Met, PL-30059 Krakow, Poland
[2] AGH Univ Sci & Technol, Acad Ctr Mat & Nanotechnol, PL-30059 Krakow, Poland
[3] AGH Univ Sci & Technol, Fac Nonferrous Met, Dept Mat Sci & Nonferrous Met Engn, PL-30059 Krakow, Poland
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2015年 / 60卷 / 02期
关键词：
Tellurium; electrolysis; electrodeposition; cyclic voltammetry; electrochemical quartz microbalance; EXTERNAL MAGNETIC-FIELD; CO-PD ALLOYS; HYDROGEN EVOLUTION; ATOMIC LAYERS; ELECTRODEPOSITION; REDUCTION; COMPLEXES; MECHANISM; SELENIUM; KINETICS;
D O I：
10.1515/amm-2015-0178
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The process of electrochemical deposition of tellurium was studied. Preliminary researches embrace the voltammetry and microgravimetric measurements. According to the results the electrolysis of tellurium was conducted under potentiostatic conditions. There was no deposition of tellurium above potential -0.1 vs. Ag/AgCl electrode in 25 degrees C. The process of deposition is observed in the range of potentials -0.1 to -0.3 V vs. Ag/AgCl. The presence of tellurium was confirmed by XRF and XRD. The obtained deposits were homogenous and compact. Below potential -0.3 V vs. Ag/AgCl the Faradaic efficiency of the tellurium deposition decreased due to reduction of Te to H2Te and hydrogen evolution.
引用
收藏
页码：591 / 596
页数：6
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