Low-temperature Electrodeposition of Aluminium from Lewis Acidic 1-Allyl-3-methylimidazolium Chloroaluminate Ionic Liquids

郑勇; 张锁江; 吕兴梅; 王倩; 左勇; 刘恋

doi:10.1016/S1004-9541(12)60372-3

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Low-temperature Electrodeposition of Aluminium from Lewis Acidic 1-Allyl-3-methylimidazolium Chloroaluminate Ionic Liquids

Updated：2026-01-06

- Low-temperature Electrodeposition of Aluminium from Lewis Acidic 1-Allyl-3-methylimidazolium Chloroaluminate Ionic Liquids
- Chinese Journal of Chemical Engineering Vol. 20, Issue 1, Pages: 130-139(2012)
- Affiliations：
  
  1. Beijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
  2. College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences,Beijing,China,100049
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(12)60372-3
  CLC： O614.31
- Published：2012
- Accepted：
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ZHENG Yong, ZHANG Suojiang, Lü Xingmei, WANG Qian, ZUO Yong, LIU Lian. Low-temperature Electrodeposition of Aluminium from Lewis Acidic 1-Allyl-3-methylimidazolium Chloroaluminate Ionic Liquids[J]. Chin.J.Chem.Eng., 2012, 20(1): 130-139.
DOI：

ZHENG Yong, ZHANG Suojiang, Lü Xingmei, WANG Qian, ZUO Yong, LIU Lian. Low-temperature Electrodeposition of Aluminium from Lewis Acidic 1-Allyl-3-methylimidazolium Chloroaluminate Ionic Liquids[J]. Chin.J.Chem.Eng., 2012, 20(1): 130-139. DOI： 10.1016/S1004-9541(12)60372-3.

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Abstract

Lewis acidic 1-allyl-3-methylimidazolium chloroaluminate ionic liquids were used as promising electrolytes in the low-temperature electrodeposition of aluminium.Systematic studies on deposition process have been performed by cyclic voltammetry and chronoamperometry.The surface morphology and X-ray diffraction(XRD) patterns of deposits prepared at different experimental conditions were also investigated.It was shown that the nu-cleation density and growth rate of crystallites had a great effect on the structure of aluminium deposited.The crys-tallographic orientation of deposits was mainly influenced by temperature and current density.Smooth

dense and well adherent aluminium coatings were obtained on copper substrates at 10-25 mA·cm

-2

and 313.2-353.2 K.More-over

the current efficiency of deposition and purity of aluminium have been significantly improved

demonstrating that the ionic liquids tested have a prospectful potential in electroplating and electrorefining of aluminium.

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