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

Elena I. Romadina, Denis S. Komarov, Keith J. Stevenson, Pavel A. Troshin

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Herein, we report the synthesis and investigation of a novel phenazine derivativeM1with 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 Vvs.Ag/AgNO3and 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.

Original languageEnglish
Pages (from-to)2986-2989
Number of pages4
JournalChemical Communications
Volume57
Issue number24
DOIs
Publication statusPublished - 25 Mar 2021

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