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首页> 外文期刊>International Journal of Electrochemical Science >Electrical Double Layer in Imidazolium Chloroaluminate Ionic Liquids and Its Influence on the Surface Morphology of Aluminium Deposits
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Electrical Double Layer in Imidazolium Chloroaluminate Ionic Liquids and Its Influence on the Surface Morphology of Aluminium Deposits

机译：咪唑鎓氯铝酸盐离子液体中的电双层及其对铝沉积物表面形态的影响

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The traditional electrolytic process in aluminium industry suffers from many inherent problems, whichare mainly owing to the natural drawbacks of electrolytes. The development of ionic liquid provides apromising approach for low-temperature aluminium electrodeposition. Although extensive researchhas been reported, the relationship between ionic liquidsstructure and electrodeposition process isstill little understood. To investigate this fundamental issue, some typical imidazolium chloroaluminateionic liquids were synthesized and investigated as electrolytes in this work. Experimental results showthat the structure of cation has significant effect on surface morphology of aluminium deposits. Thisfact results from the different structure of electrical double layer at electrode interface. Based ontheoretical calculations, it first found that aluminium is harder to be electrodeposited and the averagegrain size of deposits becomes larger with increasing cation-anion interaction energy. In such case.
机译：铝工业中的传统电解工艺存在许多固有的问题，这主要归因于电解质的自然缺陷。离子液体的发展为低温铝电沉积提供了一种有希望的方法。尽管已进行了广泛的研究，但对离子液体结构与电沉积过程之间的关系仍然知之甚少。为了研究这个基本问题，合成了一些典型的咪唑鎓氯铝酸离子液体，并将其作为电解质进行了研究。实验结果表明，阳离子的结构对铝沉积物的表面形态有重要影响。这是由于电极界面处的双电层结构不同所致。根据理论计算，首先发现铝难以电沉积，并且随着阳离子-阴离子相互作用能的增加，沉积物的平均晶粒尺寸变大。在这种情况下。

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