化学
流动电池
卤水
电化学
电池(电)
氧化还原
化学工程
铁
氢氧化物
无机化学
电解质
电极
有机化学
物理化学
功率(物理)
工程类
物理
量子力学
作者
Hui Wang,Wang Ke,Wei Zhang,Dan Li,Liuping Chen
出处
期刊:Chemistry Letters
[The Chemical Society of Japan]
日期:2021-02-01
卷期号:50 (2): 389-391
被引量:3
摘要
Abstract Salt cavern redox flow batteries with a large salt-cavern storing electrolyte are a promising large-scale energy storage technology. Here a low-cost iron/organic redox material system was proposed to explore salt cavern redox flow batteries. To avoid the formation of ferric hydroxide, ligand threonine was used to enhance the stability of the ferric ion in aqueous solution. Paired with a two electron viologen catholyte and saturated brine solution as supporting electrolyte, the battery delivered a high battery efficiency and cycling stability, 99% CE, 80% EE, and an average 99.5% capacity retention per cycle. The impressive battery performance provides a promising strategy for developing large-scale salt-cavern redox flow batteries.
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