TMPAC-AlCl3离子液体中恒电流电沉积铝

doi:10.3969/j.issn.0438-1157.2013.03.033

化工学报 ›› 2013, Vol. 64 ›› Issue (3): 1022-1029.DOI: 10.3969/j.issn.0438-1157.2013.03.033

TMPAC-AlCl₃离子液体中恒电流电沉积铝

尹小梅¹, 徐联宾^1,2, 单南南¹, 崔节振¹, 陈建峰^1,2

1. 北京化工大学教育部超重力工程研究中心;
2. 北京化工大学有机无机复合材料国家重点实验室,北京 100029

收稿日期:2012-06-07 修回日期:2012-10-26 出版日期:2013-03-05 发布日期:2013-03-05
通讯作者: 徐联宾
作者简介:尹小梅(1986—),女,硕士研究生。
基金资助:
国家重点基础研究发展计划项目(2009CB219903);国家自然科学基金项目(20971012,51172014);教育部留学回国人员科研启动基金项目(LX2009-04)。

Constant current electrodeposition of aluminum from TMPAC-AlCl₃ ionic liquids

YIN Xiaomei¹, XU Lianbin^1,2, SHAN Nannan¹, CUI Jiezhen¹, CHEN Jianfeng^1,2

1. Research Center for High Gravity Engineering and Technology, Ministry of Education;
2. State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China

Received:2012-06-07 Revised:2012-10-26 Online:2013-03-05 Published:2013-03-05
Supported by:
supported by the National Basic Research Program of China(2009CB219903),the National Natural Science Foundation of China(20971012,51172014)and the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry(LX2009-04).

摘要/Abstract

摘要： 合成了不同TMPAC和AlCl₃摩尔比的TMPAC-AlCl₃离子液体,并测定了其在不同温度下的电导率。在摩尔比为1:2的TMPAC-AlCl₃离子液体中进行了恒电流电沉积实验,研究了温度、电流密度、搅拌速度和添加剂甲苯等对沉积层的影响。结果表明:在相同条件下摩尔比为1:2的TMPAC-AlCl₃离子液体电导率最大,当温度为80℃,电流密度为20 mA·cm^-2,搅拌速度为500 r·min^-1时,沉积层质量较好且电流效率较高;甲苯的加入,增大了TMPAC-2AlCl₃离子液体的电导率,降低了槽电压,当添加甲苯的体积分数为50%,电流密度为23 mA·cm^-2时,可以得到较为致密、色泽良好、平整而均匀的沉积层。

关键词: 铝, 电沉积, 离子液体, 电导率, 甲苯

Abstract: TMPAC-AlCl₃ ionic liquids with different molar ratios of TMPAC and AlCl₃ were synthesized,and their conductivities were measured at different temperatures.The study was performed by means of constant current electrolysis,and the effects of temperature,current density,stirring speed and toluene additive amount on the deposited aluminum layers were investigated.Conductivity of TMPAC-AlCl₃ ionic liquids reached a maximum with 1:2 molar ratio of TMPAC to AlCl₃ at 80℃. Better quality deposit and higher current efficiency could be achieved at the same temperature with current density of 20 mA·cm^-2 and stirring speed of 500 r·min^-1.Conductivity of the ionic liquid increased but voltage of the electrolytic cell decreased with the addition of toluene.A dense,bright,smooth and uniformly distributed deposit was obtained at current density of 23 mA·cm^-2 when volume percent of toluene was 50%.

Key words: aluminum, electrodeposition, ionic liquid, conductivity, toluene

中图分类号:

O646.5

尹小梅, 徐联宾, 单南南, 崔节振, 陈建峰. TMPAC-AlCl₃离子液体中恒电流电沉积铝[J]. 化工学报, 2013, 64(3): 1022-1029.

YIN Xiaomei, XU Lianbin, SHAN Nannan, CUI Jiezhen, CHEN Jianfeng. Constant current electrodeposition of aluminum from TMPAC-AlCl₃ ionic liquids[J]. CIESC Journal, 2013, 64(3): 1022-1029.

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TMPAC-AlCl₃离子液体中恒电流电沉积铝

Constant current electrodeposition of aluminum from TMPAC-AlCl₃ ionic liquids

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