Electrodeposition of Lead from 1-Methylimidazolium Trifluoromethylsulfonate Ionic Liquid

被引：2

作者：

Li, Min ^{[1
,2
]}

Li, Ying ^{[1
,2
]}

机构：

[1] Northeastern Univ, Sch Met, Shenyang 110819, Liaoning, Peoples R China

[2] Northeastern Univ, Liaoning Key Lab Met Sensor & Technol, Shenyang 110819, Liaoning, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2018年 / 13卷 / 10期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

lead; electrodeposition; ionic liquid; cyclic voltammetry; chronoamperometry; FLUOROSILICATE ELECTROLYTE; PB; CHLORIDE; UREA; DEPOSITION; NUCLEATION; DENDRITES; KINETICS; RECOVERY; INSIGHT;

D O I：

10.20964/2018.10.28

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In this work, it found that lead oxide (PbO) can be dissolved well in 1-methylimidazolium trifluoromethylsulfonate (MIMTfO) ionic liquid. The electrodeposition of lead from PbO in MIMTfO ionic liquid was studied. Cyclic voltammetry studies showed that the reduction of Pb(II) is a irreversible and one-step reaction process. Chronoamperometry results presented that the nucleation mechanism of lead is fit instantaneous nucleation under diffusion control. The diffusion coefficient of Pb(II) at 373 K is approximately 3.6x10(-8) cm(2) s(-1). The electrodeposition experiments were conducted at 383 K and 393 K using potentiostatic electrolysis. A compact electrodeposit was obtained at 383 K in MIMTfO ionic liquid, which was confirmed to be metallic lead.

引用

页码：9759 / 9770

页数：12

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