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Issue 74, 2019
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An organic super-electron-donor as a high energy density negative electrolyte for nonaqueous flow batteries

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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

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Publication details

The article was received on 05 Aug 2019, accepted on 19 Aug 2019 and first published on 19 Aug 2019


Article type: Communication
DOI: 10.1039/C9CC06080D
Chem. Commun., 2019,55, 11037-11040

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    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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