水系有机液流电池活性材料研究进展  

Progress in electroactive materials for aqueous organic redox flow batteries

作　　者：孔涛逸 董晓丽[1] 王永刚[1] Taoyi Kong;Xiaoli Dong;Yonggang Wang(Department of Chemistry,Fudan University,Shanghai 200433,China)

机构地区：[1]复旦大学化学系,上海200433

出　　处：《中国科学：化学》2023年第8期1419-1436,共18页SCIENTIA SINICA Chimica

基　　金：国家重点基础研究发展规划(2022YFB2402201);国家自然科学基金(22225201)资助项目。

摘　　要：水系有机液流电池是一种基于水系电解质与电活性有机物的大型储能系统,其水系电解液具有高电导率、高安全、低成本等优点,电活性有机物具有来源广泛、可设计性强、绿色环保等优点,为不稳定的可再生能源的大规模应用提供了绿色可持续的解决方案.本文结合电活性有机物分子设计进展与现状,讨论了有机物分子设计的思路,分类别阐释了有机物分子结构对于其溶解度、化学与电化学稳定性、电位及渗透率的影响,进而影响水系有机液流电池的容量密度、能量密度及循环稳定性.最后展望了电活性有机物的发展方向和水系有机液流电池亟待解决的问题.Aqueous organic redox flow batteries(AORFBs)are large-scale energy-storage systems based on aqueous electrolytes and electroactive organics.The aqueous electrolyte has the advantages of high conductivity,high safety and low cost.The organic electrode material has the advantages of abundance,synthetic tunability and environmental friendliness.Thus,AORFBs provide the green and sustainable solution for the large-scale application of unstable renewable energy.Here,a critical review of the progress on electroactive organics for AORFBs and the rule for organic molecular design is presented.The influence of organic molecular structure on the solubility,chemical and electrochemical stability,redox potential and permeability is expounded,which affects the capacity density,energy density and cycle stability of AORFBs.Finally,future developing direction for the electroactive organics and challenges of AORFBs are highlighted.

关 键 词：水系有机液流电池 电活性有机物 分子设计 

分 类 号：TM912[电气工程—电力电子与电力传动]