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Issue 24, 2021
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New phenazine based anolyte material for high voltage organic redox flow batteries

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Abstract

Herein, we report the synthesis and investigation of a novel phenazine derivative M1 with oligomeric ethylene glycol ether substituents as a promising anolyte material for non-aqueous organic redox flow batteries (RFBs). The designed material undergoes a reversible and stable reduction at −1.72 V VS. Ag/AgNO3 and demonstrates excellent (>2.5 M) solubility in MeCN. A non-aqueous organic redox flow battery assembled using the novel phenazine derivative as an anolyte and a substituted triarylamine derivative as a catholyte exhibited high specific capacity (∼93% from the theoretical value), >95% Coulombic efficiency, 65% utilization of active materials and good charge–discharge cycling stability.

Graphical abstract: New phenazine based anolyte material for high voltage organic redox flow batteries

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Supplementary files

Article information


Submitted
07 Dec 2020
Accepted
16 Feb 2021
First published
18 Feb 2021

Chem. Commun., 2021,57, 2986-2989
Article type
Communication

New phenazine based anolyte material for high voltage organic redox flow batteries

E. I. Romadina, D. S. Komarov, K. J. Stevenson and P. A. Troshin, Chem. Commun., 2021, 57, 2986
DOI: 10.1039/D0CC07951K

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