Status and Prospects of Organic Redox Flow Batteries toward Sustainable Energy Storage,ACS Energy Letters

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Status and Prospects of Organic Redox Flow Batteries toward Sustainable Energy Storage
ACS Energy Letters ( IF 19.3 ) Pub Date : 2019-08-12 00:00:00 , DOI: 10.1021/acsenergylett.9b01332
Jian Luo ₁ , Bo Hu ₁ , Maowei Hu ₁ , Yu Zhao ₂ , T. Leo Liu ₁

Affiliation

Redox flow batteries (RFBs) are regarded a promising technology for large-scale electricity energy storage to realize efficient utilization of intermittent renewable energy. Redox -active materials are the most important components in the RFB system because their physicochemical and electrochemical properties directly determine their battery performance and energy storage cost. Designable, tunable, and potentially low-cost redox-active organic compounds are promising alternatives to traditional redox-active inorganic compounds for RFB applications. Herein, the representative designs of redox-active molecules, recent development of organic RFBs (ORFBs), and advantages/disadvantages of different ORFB are reviewed. Especially the relationship between redox-active molecules’ physicochemical properties and their battery performance is discussed with an emphasis on the side reactions that cause fading of battery capacity. Finally, we provide an outlook on the development of high-performance ORFBs for practical energy storage applications.

中文翻译：

有机氧化还原液流电池在可持续能源存储中的现状与前景

氧化还原液流电池（RFB）被认为是用于大规模电能存储以实现间歇性可再生能源的有效利用的有前途的技术。氧化还原活性材料是RFB系统中最重要的组成部分，因为它们的物理化学和电化学特性直接决定了它们的电池性能和储能成本。对于RFB应用而言，可设计，可调和潜在低成本的氧化还原活性有机化合物是有希望替代传统氧化还原活性无机化合物的有前途的替代品。在此，对氧化还原活性分子的代表性设计，有机RFB（ORFB）的最新发展以及不同ORFB的优缺点进行了综述。尤其讨论了氧化还原活性分子的理化性质与其电池性能之间的关系，重点是引起电池容量衰减的副反应。最后，我们提供了针对实际储能应用的高性能ORFB的发展前景。

更新日期：2019-08-12

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