Electrochemical Study on Electrodeposition of La3+ in EMIMBF4 Ionic Liquid

被引：0
|
作者：
Pyonghun, Kim [1 ,2 ]
Xie Hongwei
Gu Huimin
Zhai Yuchun
机构：
[1] Northeastern Univ, Sch Mat Sci & Met, Shenyang 110819, Peoples R China
[2] KimCheak Univ Technol, Pyongyang, North Korea
来源：
RARE METAL MATERIALS AND ENGINEERING | 2012年 / 41卷 / 04期
关键词：
electrochemistry; ionic liquid; electrodeposition; lanthanum; ALLOY-FILMS; MOLTEN-SALTS; DIMETHYLSULFOXIDE; ALUMINUM; BEHAVIOR; CHLORIDE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The electrodeposition of lanthanum on a Pt electrode was investigated in 0.01 mol/L Lacl(3)-0.1 mol/L LiCl-EMIMBF4 ionic liquid. The cyclic voltammetry, chronoamperometry and constant voltage electrolysis techniques were employed. The results of the cyclic voltammogram and the XRD pattern of deposits after electrolysis under constant voltage have supported a one step electrodeposition mechanism of lanthanum, La3+ + 3e(-)-> La. The results also indicate that the reduction of La3+ ion is irreversible. The transfer coefficient and the diffusion coefficient of La3+ ion in 0.01 mol/L LaCl3-0.1 mol/L LiCl-EMIMBF4 ionic liquid are 0.0492 and (1.07-1.19)x10(-6) cm(2)/s, respectively.
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页码：599 / 602
页数：4
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