Electrodeposition of Aluminum from 1,3-Dimethyl-2-Imidazolidinone/AlCl3 baths

被引：45

作者：

Endo, Atsushi ^{[1
]}

Miyake, Masao ^{[1
]}

Hirato, Tetsuji ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Energy Sci, Sakyo Ku, Kyoto 6068501, Japan

来源：

ELECTROCHIMICA ACTA | 2014年 / 137卷

关键词：

Electroplating; Electrodeposition; Organic solvent bath; IONIC LIQUIDS; DMSO2; ELECTROLYTES; CHLORIDE; SOLVENTS; ALLOY; COATINGS; BENZENE;

D O I：

10.1016/j.electacta.2014.06.044

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

This study investigated the use of novel organic solvent baths for the electrodeposition of aluminum at near-ambient temperatures. It was found that Al metal can be electrodeposited from baths that were composed of 1,3-dimethyl-2-imidazolidinone (DMI) and AlCl3, with an AlCl3 concentration greater than 50 mol%. IR spectroscopy indicated that Al2Cl7- ions were present in the baths that contained >50 mol% AlCl3, where the electrodeposition of Al occurs from Al2Cl7- ion. The DMI/AlCl3 baths with AlCl3 concentrations between 59 and 64 mol% retained a single liquid phase without precipitation at 25 degrees C and therefore, they can be used for Al electrodeposition near room temperature. Smooth Al films could be obtained by galvanostatic electrodeposition at 40 degrees C using a DMI/AlCl3 bath with the addition of a trace amount of 1,10-phenanthroline. (C) 2014 Published by Elsevier Ltd.

引用

页码：470 / 475

页数：6

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