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首页> 外文期刊>Journal of Materials Engineering and Performance >Effects of Metal Ions on the Aluminum Electrodeposition from Ionic Liquids
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Effects of Metal Ions on the Aluminum Electrodeposition from Ionic Liquids

机译：金属离子对离子液体铝电沉积的影响

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In this study, we report on the effects of three common transition metal ions, i.e., Ni2+, Cu2+ and Fe3+ on the electrodeposition of aluminum from a chloroaluminate ionic liquid, evaluated by means of electrochemical and morphological investigation. Aiming at the determination of the morphological and chemical effects on the aluminum coatings, variable amounts of ions were introduced into the electroplating bath. Thick (about 20 mu m) Al coatings were obtained by direct deposition (galvanostatic, 10 mA cm(2), 2 h) on brass or carbon steel substrates (10 mm diameter disks), and their morphology was examined via rugosimetry, optical and electron microscopy. The chemical composition of the deposits was provided by EDX analysis. Nickel and iron resulted to have only moderate effects on the coatings properties, but copper affected the process even in tiny amounts being detected in the deposits for bath content as low as 10 ppm.
机译：在这项研究中，我们报告了三种常见的过渡金属离子，即Ni2+、Cu2+和Fe3+对氯铝酸盐离子液体中铝电沉积的影响，并通过电化学和形态学研究进行了评估。为了确定铝镀层的形态和化学效应，在电镀液中引入了不同数量的离子。通过在黄铜或碳钢基体（直径10mm的圆盘）上直接沉积（恒电流，10mA cm（2），2h），获得了厚（约20μm）的铝涂层，并通过粗糙度计、光学和电子显微镜检查了其形貌。EDX分析提供了沉积物的化学成分。镍和铁对涂层性能的影响不大，但铜影响了该过程，即使在镀液含量低至10 ppm的沉积物中检测到微量铜。

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