Nonaqueous redox-flow batteries: organic solvents, supporting electrolytes, and redox pairs

Author(s)Gong, Ke
Author(s)Fang, Qianrong
Author(s)Gu, Shuang
Author(s)Li, Sam Fong Yau
Author(s)Yan, Yushan
Ordered AuthorKe Gong, Qianrong Fang, Shuang Gu, Sam Fong Yau Li and Yushan Yan
UD AuthorGong, Keen_US
UD AuthorFang, Qianrongen_US
UD AuthorGu, Shuangen_US
UD AuthorYan, Yushanen_US
Date Accessioned2016-01-14T16:17:00Z
Date Available2016-01-14T16:17:00Z
Copyright DateCopyright © The Royal Society of Chemistry 2015en_US
Publication Date2015-08-17
DescriptionPublisher's PDFen_US
AbstractAs members of the redox-flow battery (RFB) family, nonaqueous RFBs can offer a wide range of working temperature, high cell voltage, and potentially high energy density. These key features make nonaqueous RFBs an important complement of aqueous RFBs, broadening the spectrum of RFB applications. The development of nonaqueous RFBs is still at its early research stage and great challenges remain to be addressed before their successful use for practical applications. As such, it is essential to understand the major components in order to advance the nonaqueous RFB technology. In this perspective, three key major components of nonaqueous RFBs: organic solvents, supporting electrolytes, and redox pairs are selectively focused and discussed, with emphasis on providing an overview of those components and on highlighting the relationship between structure and properties. Urgent challenges are also discussed. To advance nonaqueous RFBs, the understanding of both components and systems is critically needed and it calls for inter-disciplinary collaborations across expertise including electrochemistry, organic chemistry, physical chemistry, cell design, and system engineering. In order to demonstrate the key features of nonaqueous RFBs, herein we also present an example of designing a 4.5 V ultrahigh-voltage nonaqueous RFB by combining a BP/BP˙− redox pair and an OFN˙+/OFN redox pair.en_US
DepartmentUniversity of Delaware. Center for Catalytic Science & Technology.en_US
CitationGong, Ke, et al. "Nonaqueous redox-flow batteries: organic solvents, supporting electrolytes, and redox pairs." Energy & Environmental Science 8.12 (2015): 3515-3530.en_US
DOI10.1039/c5ee02341fen_US
ISSN1754-5692 ; e-1754-5706en_US
URLhttp://udspace.udel.edu/handle/19716/17387
Languageen_USen_US
PublisherRoyal Society of Chemistryen_US
dc.rightsCreative Commons Attribution 3.0 Unported licence (CC BY 3.0) (http://creativecommons.org/licenses/by/3.0/)en_US
dc.sourceEnergy & Environmental Scienceen_US
dc.source.urihttp://pubs.rsc.org/en/journals/journalissues/ee#!recentarticles&adven_US
TitleNonaqueous redox-flow batteries: organic solvents, supporting electrolytes, and redox pairsen_US
TypeArticleen_US
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