| 铝在路易斯酸性1-烯丙基-3甲基米唑氯铝酸离子液体中的低温电沉积(英文) |
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| 引用本文： | 郑勇,张锁江,吕兴梅,王倩,左勇,刘恋.铝在路易斯酸性1-烯丙基-3甲基米唑氯铝酸离子液体中的低温电沉积(英文)[J].中国化学工程学报,2012,20(1):130-139. |
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| 作者姓名： | 郑勇 张锁江 吕兴梅 王倩 左勇 刘恋 |
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| 作者单位： | 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 100190, China;2. College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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| 基金项目： | Supported by the National Basic Research Program of China (2009CB219901);the National Key Technology Research and Development Program of the Ministry of Science and Technology of China (2012BAF03B01);the National Natural Science Foundation of China (20906096,20873152);the Open-end Fund of State Key Laboratory of Multiphase Complex Systems (MPCS-2011-D-06) |
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| 摘 要： | Lewis acidic 1-allyl-3-methylimidazolium chloroaluminate ionic liquids were used as promising elec-trolytes 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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| 关 键 词： | ionic liquid low temperature electroplating electrodeposition deposits |
| 收稿时间： | 2011-11-18 |
Low-temperature Electrodeposition of Aluminium from Lewis Acidic 1-Allyl-3-methylimidazolium Chloroaluminate Ionic Liquids |
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| ZHENG Yong,ZHANG Suojiang,Lü Xingmei,WANG Qian,ZUO Yong,and LIU Lian.Low-temperature Electrodeposition of Aluminium from Lewis Acidic 1-Allyl-3-methylimidazolium Chloroaluminate Ionic Liquids[J].Chinese Journal of Chemical Engineering,2012,20(1):130-139. |
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| Authors: | ZHENG Yong ZHANG Suojiang Lü Xingmei WANG Qian ZUO Yong and LIU Lian |
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| Affiliation: | 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 100190, China;2. College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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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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| Keywords: | ionic liquid low temperature electroplating electrodeposition deposits |
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