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Journal Articles Electrochemistry Communications Year : 2008

Direct electrodeposition of aluminium nano-rods

Abstract

Electrodeposition 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.

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Materials
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hal-03576501 , version 1 (16-02-2022)

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Emilie Perre, Leif Nyholm, Torbjörn Gustafsson, Pierre-Louis Taberna, Patrice Simon, et al.. Direct electrodeposition of aluminium nano-rods. Electrochemistry Communications, 2008, 10 (10), pp.1467-1470. ⟨10.1016/j.elecom.2008.07.032⟩. ⟨hal-03576501⟩
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