Issue 74, 2019

An organic super-electron-donor as a high energy density negative electrolyte for nonaqueous flow batteries

Abstract

A highly reducing diquat-type molecule was explored as a negative electrolyte for nonaqueous redox flow batteries. The molecule displays a highly negative 2+/0 reduction potential of −1.67 V (vs. ferrocene), a low mass per electron transferred, and good solubility in CH3CN in both redox states. Moderate capacity retention is observed during electrochemical charge–discharge cycling. A pathway for decomposition during electrochemical cycling is elucidated, and this provides a clear path forward for enhancing stability.

Graphical abstract: An organic super-electron-donor as a high energy density negative electrolyte for nonaqueous flow batteries

Supplementary files

Article information

Article type
Communication
Submitted
05 اگست 2019
Accepted
19 اگست 2019
First published
19 اگست 2019

Chem. Commun., 2019,55, 11037-11040

Author version available

An organic super-electron-donor as a high energy density negative electrolyte for nonaqueous flow batteries

T. P. Vaid and M. S. Sanford, Chem. Commun., 2019, 55, 11037 DOI: 10.1039/C9CC06080D

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