Electrodeposition of Al from a 1-butylpyrrolidine-AlCl3 ionic liquid
Electrodeposition of Al from a 1-butylpyrrolidine-AlCl3 ionic liquid
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DOI：
10.1016/j.pnsc.2015.11.003
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发表时间：
2015-12
期刊：
影响因子：
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通讯作者：
G. Pulletikurthi;Björn Bödecker;A. Borodin;B. Weidenfeller;F. Endres
中科院分区：
文献类型：
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作者：
G. Pulletikurthi;Björn Bödecker;A. Borodin;B. Weidenfeller;F. Endres
将1-丁基吡咯烷添加到AlCl 3 中导致形成适合Al沉积的电解质。研究了从合成电解质中电沉积Al的可行性。为此目的制备了AlCl 3 和1-丁基吡咯烷的几种组合物。这些混合物在 AlCl 3 和 1-丁基吡咯烷的不同组成下表现出不同的相行为。采用红外、拉曼和核磁共振光谱对合成液体进行表征。在所制备的组合物中，发现1-丁基吡咯烷:AlCl 3 摩尔比为1:1.2以及1-丁基吡咯烷:AlCl 3 摩尔比为1:1.3的上相适合于室温(RT)下的Al电沉积。在室温下，在铜上获得了均匀且厚（约微米厚）的铝层。 Al 沉积是由该电解质中的 AlCl 3− x L y+（其中 x≤ 2，y= 1–2，且 L= 1-丁基吡咯烷）的阳离子物质发生的。这种行为与经过充分研究的经典 AlCl 3 基离子液体相反，其中 Al 的沉积主要来自阴离子 Al 2 Cl 7− 离子。
The addition of 1-butylpyrrolidine to AlCl 3 results in the formation of an electrolyte that is suited to Al deposition. The feasibility of electrodepositing Al from the synthesized electrolyte was investigated. Several compositions of AlCl 3 and 1-butylpyrrolidine were prepared for this purpose. These mixtures show a different phase behavior at various compositions of AlCl 3 and 1-butylpyrrolidine. IR, Raman and NMR spectroscopy were employed to characterize the synthesized liquids. Among the prepared compositions, 1: 1.2 mol ratio of 1-butylpyrrolidine: AlCl 3 and the upper phase of 1: 1.3 mol ratio of 1-butylpyrrolidine: AlCl 3 were found to be suitable for Al electrodeposition at room temperature (RT). Uniform and thick (~ µm thick) layers of Al were obtained on copper at RT. Al deposition occured from the cationic species of AlCl 3− x L y+(where x≤ 2, y= 1–2, and L= 1-butylpyrrolidine) in this electrolyte. This behavior is contrary to the well investigated classic AlCl 3 based ionic liquids, where the deposition of Al occurs mainly from anionic Al 2 Cl 7− ions.