TEMPO/Phenazine Combi-Molecule: A Redox-Active Material for Symmetric Aqueous Redox-Flow Batteries

Jan Winsberg; Christian Stolze; Simon Muench; Ferenc Liedl; Martin D. Hager; Ulrich Sigmar Schubert

doi:10.1021/acsenergylett.6b00413

Abstract

1 min read

The combination of 2,2,6,6-tetramethylpiperidinyl-N-oxyl and phenazine yields an organic redox-active material for redox-flow battery applications. This combined molecule (combi-molecule) features a redox voltage of 1.2 V and facilitates the utilization of aqueous electrolytes. It was synthesized from cost-efficient starting materials, electrochemically characterized and applied as charge-storage material in a symmetric aqueous redox-flow battery.

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