Aluminum Electrodeposition using AlCl3/urea Ionic Liquid

被引:9
|
作者
Li, Min [1 ,2 ,3 ]
Li, Ying [1 ,2 ]
机构
[1] Northeastern Univ, Sch Met, Shenyang 110819, Peoples R China
[2] Northeastern Univ, Liaoning Key Lab Met Sensor & Technol, Shenyang 110819, Peoples R China
[3] Minist Educ, Key Lab Ecol Met Multimetall Mineral, Shenyang 110819, Peoples R China
来源
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
aluminum; electrodeposition; ionic liquid; Raman spectra; cyclic voltammetry; CHLORIDE; ALLOYS; AL; DEPOSITION; BATTERY;
D O I
10.20964/2020.09.46
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Aluminum electrodeposition using AlCl3/urea ionic liquid was studied at 333 K. Raman spectra and cyclic voltammetry results show that aluminum can be electrodeposited from such ionic liquids having AlCl3:urea molar ratios above 1.2. Moreover, the molar ratio of the ionic liquid has an obvious effect on the aluminum species and electrochemical behavior of Al(III). Potentiostatic electrolysis experiments were conducted on the ionic liquid to prepare metallic coatings, and the obtained coatings were characterized using scanning electron microscopy energy dispersive spectroscopy (SEM EDS) and X-ray powder diffraction (XRD) techniques. SEM analysis shows that needle-like and cauliflower-like coatings, characterized to be metallic aluminum by the EDS and XRD, were obtained at 313 and 333 K, respectively. This method can provide a new and inexpensive candidate medium for aluminum recycling at room temperature.
引用
收藏
页码:8498 / 8505
页数:8
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