Electroreduction of chlorine gas at platinum electrodes in several room temperature ionic liquids: Evidence of strong adsorption on the electrode surface revealed by unusual voltammetry in which currents decrease with increasing voltage scan rates

Huang, Xing-JiuXing-JiuHuangSilvester, Debbie S.Debbie S.SilvesterStreeter, IanIanStreeterLEIGH ALDOUSHardacre, ChristopherChristopherHardacreCompton, Richard G.Richard G.Compton2024-09-182024-09-182008https://www.scopus.com/record/display.uri?eid=2-s2.0-64349086008&origin=resultslisthttps://scholars.lib.ntu.edu.tw/handle/123456789/721095Voltammetry is reported for chlorine, Cl2, dissolved in various room temperature ionic liquids using platinum microdisk electrodes. A single reductive voltammetric wave is seen and attributed to the two-electron reduction of chlorine to chloride. Studies of the effect of voltage scan rate reveal uniquely unusual behavior in which the magnitude of the currents decrease with increasing scan rates. A model for this is proposed and shown to indicate the presence of strongly adsorbed species in the electrode reaction mechanism, most likely chlorine atoms, Cl·(ads). © 2008 American Chemical Society.[SDGs]SDG6Electroreduction of chlorine gas at platinum electrodes in several room temperature ionic liquids: Evidence of strong adsorption on the electrode surface revealed by unusual voltammetry in which currents decrease with increasing voltage scan ratesjournal article10.1021/jp80824372-s2.0-64349086008