Enlarged electrochemical window in dialkyl-imidazolium cation based room-temperature air and water-stable molten salts

The electrochemical windows of the ionic liquids 1- n-butyl-3-methyl imidazolium tetrafluoroborate (BMI +)(BF 4 −) and 1-butyl-3-methyl imidazolium hexafluorophosphate (BMI +)(PF 6 −) have been investigated at platinum, vitreous carbon, tungsten and gold electrodes. The lowest current densities and...

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Bibliographic Details
Published in:Electrochimica acta 1997, Vol.42 (16), p.2533-2535
Main Authors: Suarez, Paulo A.Z., Selbach, Vânia M., Dullius, Jeane E.L., Einloft, Sandra, Piatnicki, Clarisse M.S., Azambuja, Denise S., de Souza, Roberto F., Dupont, Jairton
Format: Article
Language:English
Subjects:
Chemistry
Electrochemistry
Exact sciences and technology
General and physical chemistry
High temperature electrochemistry (including molten salts)
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Summary:The electrochemical windows of the ionic liquids 1- n-butyl-3-methyl imidazolium tetrafluoroborate (BMI +)(BF 4 −) and 1-butyl-3-methyl imidazolium hexafluorophosphate (BMI +)(PF 6 −) have been investigated at platinum, vitreous carbon, tungsten and gold electrodes. The lowest current densities and widest electrochemical windows were found on tungsten and vitreous carbon 6.10 and 5.45 V for (BMI +)(BF 4 −) and >7.10 and 6.35 V for (BMI +)(PF 6 −), respectively.
ISSN:0013-4686
1873-3859
DOI:10.1016/S0013-4686(96)00444-6