Direct electrodeposition of aluminium nano-rods

被引:87
作者
Perre, Emilie [1 ,2 ]
Nyholm, Leif [1 ]
Gustafsson, Torbjorn [1 ]
Taberna, Pierre-Louis [2 ]
Simon, Patrice [2 ]
Edstrom, Kristina [1 ]
机构
[1] Uppsala Univ, Dept Chem Mat, Angstrom Adv Battery Ctr, SE-75121 Uppsala, Sweden
[2] Univ Toulouse 3, CNRS, CIRIMAT, UMR 5085, F-31062 Toulouse 9, France
基金
瑞典研究理事会;
关键词
Aluminium; Electrodeposition; Ionic liquid; Three-dimensional microbattery;
D O I
10.1016/j.elecom.2008.07.032
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Electrode position of aluminium within an alumina nano-structured template, for use as high surface area current collectors in Li-ion microbatteries, was investigated. The aluminium electrodeposition was carried out in the ionic liquid 1-ethyl-3-methylimidazolium chloride: aluminium chloride (1:2 ratio). First the aluminium electrodeposition process was confirmed by combined cyclic voltammetry and electrochemical quartz crystal microbalance measurements. Then, aluminium was electrodeposited under pulsed-potential conditions within ordered alumina membranes. A careful removal of the alumina template unveiled free standing arrays of aluminium nano-rods. The nano-columns shape and dimensions are directly related to the template dimensions. To our knowledge, this is the first time that direct electrodeposition of aluminium nano-pillars onto an aluminium, substrate is reported. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:1467 / 1470
页数:4
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