Electrodeposition of aluminum from AlCl3/acetamide eutectic solvent

被引：45
作者：
Li, Min [1 ,2 ]
Gao, Bingliang [1 ,2 ]
Liu, Chengyuan [1 ,2 ]
Chen, Wenting [1 ,2 ]
Shi, Zhongning [1 ,2 ]
Hu, Xianwei [1 ,2 ]
Wang, Zhaowen [1 ,2 ]
机构：
[1] Northeastern Univ, Sch Mat & Met, Shenyang 110819, Peoples R China
[2] Minist Educ, Key Lab Ecol Met Multimetall Mineral, Beijing, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2015年 / 180卷
基金：
中国国家自然科学基金;
关键词：
Aluminum; Electrodeposition; AICl(3)/acetamide; Eutectic solvent; Cyclic voltammetry; CHLORIDE-1-ETHYL-3-METHYLIMIDAZOLIUM CHLORIDE MELT; TEMPERATURE IONIC LIQUID; AL/AIR BATTERIES; MOLTEN-SALTS; ALLOYS; AL; DEPOSITION;
D O I：
10.1016/j.electacta.2015.09.008
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A new acetamide based eutectic solvent is obtained via complexation with AlCl3. The electrodeposition of aluminum is successfully achieved from AlCl3/acetamide eutectic solvent. The cyclic voltammograms on tungsten electrode indicate that Al(III) are easier to be reduced from AlCl3/acetamide eutectic solvent at a molar ratio in a range of 1.1 to 1.5. Aluminum coatings were prepared at -0.25V (vs. Al/Al3+) and different temperatures at 313 K and 333 K in AlCl3/acetamide eutectic solvent at molar ratio = 1.3 (r =1.3). The SEM images show that thick adherent aluminum films were deposited on the copper substrate. The EDS and XRD analysis confirm that the obtained deposits are pure aluminum. The present results allowed the new and cheap AlCl3/acetamide eutectic solvent to be a potential electrolyte for aluminum electrodeposition at room temperature. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：811 / 814
页数：4
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