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Title: Multielectron Organic Redoxmers for Energy-Dense Redox Flow Batteries

Journal Article · · ACS Materials Letters
 [1];  [1];  [2];  [3]; ORCiD logo [4]; ORCiD logo [2]
  1. Indiana Univ.-Purdue Univ. Indianapolis (IUPUI), Indianapolis, IN (United States); Purdue Univ., West Lafayette, IN (United States); Argonne National Lab. (ANL), Lemont, IL (United States)
  2. Indiana Univ.-Purdue Univ. Indianapolis (IUPUI), Indianapolis, IN (United States)
  3. Indiana Univ.-Purdue Univ. Indianapolis (IUPUI), Indianapolis, IN (United States); Purdue Univ., West Lafayette, IN (United States)
  4. Argonne National Lab. (ANL), Lemont, IL (United States)

Redox flow battery is a highly promising stationary energy storage method but the limited energy density and high chemical cost are among the main barriers for commercialization. Multi-electron organic redoxmers represent a family of structurally tailorable candidates that can achieve multiplied energy density with decreased materials consumption, potentially resulting in a viable solution to address these challenges. In this work, the recent development of organic molecules with reversible multi-redox activities in both aqueous and nonaqueous electrolytes is reviewed. The major focus is on the fundamental correlation between the chemical structures and the functional properties of reported multi-electron organic molecules. Valuable insights are offered on rational structural design strategies for improving the relevant physico- and electro-chemical properties. Finally, the current challenges are discussed to suggest future research needs along the avenue of using the multi-electron approach to achieve energy-dense, stable, cost-effective redox flow batteries.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1870819
Journal Information:
ACS Materials Letters, Journal Name: ACS Materials Letters Journal Issue: 2 Vol. 4; ISSN 2639-4979
Publisher:
ACS PublicationsCopyright Statement
Country of Publication:
United States
Language:
English

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