Electrodeposition of Al from a 1-butylpyrrolidine-AlCl3 ionic liquid

被引：40

作者：

Pulletikurthi, Giridhar ^{[1
]}

Boedecker, Bjoern ^{[1
]}

Borodin, Andriy ^{[1
]}

Weidenfeller, Bernd ^{[1
]}

Endres, Frank ^{[1
]}

机构：

[1] Tech Univ Clausthal, Inst Electrochem, Arnold Sommerfeld Str 6, D-38678 Clausthal Zellerfeld, Germany

来源：

PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2015年 / 25卷 / 06期

关键词：

Aluminium; Al cations; 1-butylpyrrolidine; Ionic liquid; Electrodeposition; NUCLEAR-MAGNETIC-RESONANCE; ALUMINUM-CHLORIDE; MOLTEN-SALT; CRYSTAL-STRUCTURE; TEMPERATURE; SPECTRA; DEPOSITION; SYSTEMS; COORDINATION; MORPHOLOGY;

D O I：

10.1016/j.pnsc.2015.11.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The addition of 1-butylpyrrolidine to AlCl3 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 AlCl3 and 1-butylpyrrolidine were prepared for this purpose. These mixtures show a different phase behavior at various compositions of AlCl3 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: AlCl3 and the upper phase of 1:1.3 mol ratio of 1-butylpyrrolidine:AlCl3 were found to be suitable for Al electrodeposition at room temperature (RT). Uniform and thick (similar to mu m thick) layers of Al were obtained on copper at RT. Al deposition occured from the cationic species of AlCl3-xLy+ (where x >= 2, y=1-2, and L=1-butylpyrrolidine) in this electrolyte. This behavior is contrary to the well investigated classic AlCl3 based ionic liquids, where the deposition of Al occurs mainly from anionic Al2Cl7- ions. (C) 2015 The Authors. Production and hosting by Elsevier B.V. on behalf of Chinese Materials Research Society.

引用

页码：603 / 611

页数：9

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