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Title: Influence of the anion on the electrodeposition of cobalt from imidazolium ionic liquids
Authors: Schaltin, Stijn ×
Nockemann, Peter
Thijs, Ben
Binnemans, Koen
Fransaer, Jan #
Issue Date: 2007
Publisher: Electrochemical soc inc
Series Title: Electrochemical and Solid-State Letters vol:10 issue:10 pages:D104-D107
Abstract: Cyclic voltammetry and absorption spectrophotometry were used to examine the complex formation of cobalt(II) in the ionic liquids 1-butyl-3-methylimidazolium chloride ([C(4)mim] Cl) and 1-butyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide ([C(4)mim][Tf2N]). In [C(4)mim]Cl, cobalt(II) is complexed as [CoCl4](2-) at CoCl2 concentrations less than 33 mol %. Cyclic voltammograms show that cobalt cannot be electrodeposited at these concentrations. However, cobalt metal can be electrodeposited at CoCl2 concentrations above the threshold concentration of 33 mol %. In the ionic liquid [C(4)mim][Tf2N] there is no threshold CoCl2 concentration for electrodeposition due to the absence of [CoCl4](2-).
URI: 
ISSN: 1099-0062
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
Department of Materials Engineering - miscellaneous
Chemical and Extractive Metallurgy Section (-)
× corresponding author
# (joint) last author

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