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The Influence of Some Electrolyte Additives on the Electrochemical Performance of Fe/Fe2+ Redox Reactions for Iron/Iron Redox Flow Batteries
Journal of The Electrochemical Society ( IF 3.9 ) Pub Date : 2021-04-19 , DOI: 10.1149/1945-7111/abf5a3
Jens Noack 1, 2 , Max Berkers 1 , Jens Ortner 3 , Karsten Pinkwart 1, 4
Affiliation  

For the application in Fe/Fe-Redox-Flow-Batteries some important factors concerning the composition of the electrolyte and the influence of temperature on the properties of half-cell reactions were investigated. In contrast to previous investigations, the measurements were performed more realistically on deposited iron and by means of linear sweep voltammetry. Since the distinction between cathodic iron deposition and hydrogen generation is not possible by convention, with quantitative stripping analysis on a rotating disk electrode, partly a method was used to distinguish between these two reactions. The investigations were carried out at temperatures up to 80 C, with addition of 10 mM of chlorides of Bi, Cu, In, Pb, Sn, Tl, Cd, Sb and Hg and different supporting salts of NH4 +, Li+, K+. Na+, Cs+, Mg2+ and Al3+.



中文翻译:

一些电解质添加剂对铁/铁氧化还原液流电池Fe/Fe2+氧化还原反应电化学性能的影响

对于在 Fe/Fe-Redox-Flow-Batteries 中的应用,研究了一些与电解质组成和温度对半电池反应性质的影响有关的重要因素。与之前的研究相比,测量是在沉积铁上进行的,并且是通过线性扫描伏安法进行的。由于传统上不可能区分阴极铁沉积和氢气生成,因此在旋转圆盘电极上进行定量汽提分析,部分方法用于区分这两种反应。研究在高达 80 C 的温度下进行,并添加了 10 mM Bi、Cu、In、Pb、Sn、Tl、Cd、Sb 和 Hg 的氯化物以及 NH 4 +、Li + 的不同支持盐, K +。Na +、Cs +、Mg 2+和Al 3+

更新日期:2021-04-19
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