Issue 50, 2018

Improved radical stability of viologen anolytes in aqueous organic redox flow batteries

Abstract

A high voltage (1.38 V) total organic aqueous redox flow battery is reported using 1,1′-bis[3-(trimethylammonio)propyl]-4,4′-bipyridinium tetrachloride ((NPr)2V) as an anolyte and 4-trimethylammonium-TEMPO chloride (NMe-TEMPO) as a catholyte. The exceptional radical stability of [(NPr)2V]+˙ enabled the flow battery in achieving 97.48% capacity retention for 500 cycles and a power density of 128.2 mW cm−2.

Graphical abstract: Improved radical stability of viologen anolytes in aqueous organic redox flow batteries

Supplementary files

Article information

Article type
Communication
Submitted
26 mar 2018
Accepted
01 may 2018
First published
01 may 2018

Chem. Commun., 2018,54, 6871-6874

Improved radical stability of viologen anolytes in aqueous organic redox flow batteries

B. Hu, Y. Tang, J. Luo, G. Grove, Y. Guo and T. L. Liu, Chem. Commun., 2018, 54, 6871 DOI: 10.1039/C8CC02336K

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