Redox Activity of Bromides in Carbon‐Based Electrochemical Capacitors,Batteries & Supercaps

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Redox Activity of Bromides in Carbon‐Based Electrochemical Capacitors
Batteries & Supercaps ( IF 5.1 ) Pub Date : 2020-05-25 , DOI: 10.1002/batt.202000061
Krzysztof Fic _{1,

2} , Shinya Morimoto ₂ , Elżbieta Frąckowiak ₁ , Masashi Ishikawa ₂

Affiliation

This paper reports on the electrochemical performance of activated carbon electrodes in aqueous solutions of bromide‐based species and discusses the results in the broader context of redox‐active electrolytes in electrochemical capacitor applications. Operando techniques such as Raman spectroscopy and electrochemical quartz crystal microbalance have been implemented to describe the interactions at the electrode/electrolyte interface. Ex situ experiments, including XPS profiles at different electrode thicknesses, support the discussion by providing insights into surficial and bulk‐related processes. Finally, the electrochemical activity of bromides and their advantages and drawbacks are discussed.

中文翻译：

碳基电化学电容器中溴化物的氧化还原活性

本文报告了活性炭电极在基于溴化物的水溶液中的电化学性能，并讨论了在电化学电容器应用中在更广泛的氧化还原活性电解质中的结果。已经实施了拉曼光谱和电化学石英晶体微量天平等操作技术来描述电极/电解质界面处的相互作用。异位实验（包括不同电极厚度下的XPS轮廓）通过提供对表面和本体相关过程的见解来支持讨论。最后，讨论了溴化物的电化学活性及其优缺点。

更新日期：2020-05-25

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