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在摩尔比为2:1的AlCl3-[bmim]Cl离子液体中,加入一定量的甲苯,控制阴极电流密度,在基体铁片上获得银白色和平整致密的铝镀层。循环伏安实验表明离子液体中沉积铝源于Al2Cl7-的还原,还原峰电位为-0.34V;当电流密度为20mA/cm2时,最大电流效率达97%;所得铝镀层的厚度与电镀时间呈抛物线关系;在电流密度小于35mA/cm2时,镀层厚度随电流密度增大呈逐渐递增趋势;扫描电镜、X射线能谱对铝镀层分析结果表明(45±2)℃温度得到平整致密纯度高的铝镀层;当电流密度为20mA/cm2时,铝镀层“,”Dense, well adherent and silvery bright aluminum coating was obtained on iron substrates from 2AlCl3/[bmim]Cl ionic liquids contained of a small amount of toluene at various cathode current densities. Cyclic voltammogram show that the deposition is obtain