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Updated: Aug 6, 2025

A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery
Published on: February 13, 2017
Liquid Redoxmers for Nonaqueous Redox Flow Batteries
Lily A Robertson1,2, Mohammad Afsar Uddin1,2,3,4,5, Ilya A Shkrob1,2
1Joint Center of Energy Storage Research (JCESR), Argonne National Laboratory, Lemont, Illinois, 60439, United States.
Abstract:
Redoxmers are organic active molecules storing electrochemical energy in nonaqueous redox flow batteries (NRFBs). Increasing the solubility of redoxmers is an important approach for increasing energy density of NRFBs as effective redoxmer concentration determines how much electricity can be stored in a given volume. Molecular engineering redoxmers towards liquid forms is regarded as one promising strategy as liquid redoxmers represent an extreme scenario where fluidity is maintained at maximum concentration using a minimum amount of supporting solvents. In this Perspective, recent examples of liquid redoxmers as well as their development strategy will be discussed.
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