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https://dspace.ffh.bg.ac.rs/handle/123456789/392| Title: | Effect of RTILs on the hydrogen evolution reaction in alkaline media | Authors: | Amaral, L. Cardoso, D. S.P. Šljukić Paunković, Biljana Santos, D. M.F. Sequeira, C. A.C. |
Issue Date: | 1-Jan-2016 | Journal: | ECS Transactions | Abstract: | Three 1-ethyl-3-methylimidazolium [Emim]-based room temperature ionic liquids (RTILs), namely [Emim][Ac] (acetate), [Emim][EtSO4] (ethylsulfate) and [Emim][MeSO3] (methanesulfonate), were tested as additives in alkaline solutions for hydrogen evolution reaction (HER). Electrochemical measurements were performed with a platinum foil working electrode at 25 °C in 8 M KOH solution and after adding 1-2 vol.% of each ionic liquid. From the polarization curves, Tafel plots were constructed and the main kinetic parameters were obtained for all different electrolytes. Higher currents were found after [Emim][MeSO3] addition. Electrochemical impedance spectroscopy measurements revealed a significant decrease of the overall impedance in the RTILs added electrolytes. |
URI: | https://dspace.ffh.bg.ac.rs/handle/123456789/392 | ISBN: | 9781607687504 | ISSN: | 1938-6737 | DOI: | 10.1149/07223.0023ecst |
| Appears in Collections: | Conference paper |
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