Redox flow batteries (RFBs) are a promising technology for large-scale electrical energy storage to realize the efficient utilization of intermittent renewable energy. Organic redox-active molecules are the active components of nonaqueous-RFBs. Herein, we describe a series of nonaqueous redoxomers which are less sensitive to supporting ions, exhibit enhanced solubility and conductivity, affording improved energy density and cycling performance. These redoxomers show good solubility in acetonitrile (CH<sub>3</sub>CN) and demonstrated a surprisingly low reversible redox potential and stable cycling. This study provides guidelines to design organic redoxomers for nonaqueous-RFBs in practical energy storage applications.

Designing organic Redoxomers for Nonaqueous Redox Flow Batteries

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ACS Fall 2022

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