A benzoquinone–imidazole hybrid organic anolyte for aqueous redox flow batteries

Literature Information

Publication Date 2023-12-18
DOI 10.1039/D3CC04840C
Impact Factor 6.222
Authors

Tsuyoshi Murata, Marina Hamasaki, Yasushi Morita


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Abstract

A benzoquinone derivative annelated by two imidazole rings was investigated as an organic anolyte of aqueous redox flow batteries. The anolyte showed a high solubility of 0.18 M in 1 M KOH aqueous solution and exhibited a one-step two-electron reversible redox wave with a half-wave potential of −0.59 V VS. SHE. An aqueous redox flow cell comprising the benzoquinone–imidazole hybrid as the anolyte and potassium ferrocyanide as the catholyte showed an operating voltage of ∼1.1 V and minimum capacity fading of over 220 cycles.

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