High energy density MnO4−/MnO42− redox couple for alkaline redox flow batteries

Alejandro N. Colli; Pekka Peljo; Hubert H. Girault

doi:10.1039/C6CC08070G

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High energy density MnO₄⁻/MnO₄²⁻ redox couple for alkaline redox flow batteries†

Alejandro N. Colli,

*^a Pekka Peljo^a and Hubert H. Girault^a

Author affiliations

* Corresponding authors

^a Laboratoire d’Electrochimie Physique et Analytique, École Polytechnique Fédérale de Lausanne, EPFL, Valais Wallis, Rue de l'Industrie 17, Case Postale 440, CH-1951 Sion, Switzerland
E-mail: ancolli@gmail.com

Abstract

The MnO₄⁻/MnO₄²⁻ redox couple has a positive redox potential, high electrochemical reversibility and high solubility, up to 3.62 M at room temperature. Careful optimization of the electrolyte composition and the potential limits eliminates the side reactions, making this redox couple an attractive option for alkaline redox flow batteries.

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Article information

DOI: https://doi.org/10.1039/C6CC08070G
Article type: Communication
Submitted: 06 Oct 2016
Accepted: 11 Nov 2016
First published: 11 Nov 2016

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Chem. Commun., 2016,52, 14039-14042

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High energy density MnO₄⁻/MnO₄²⁻ redox couple for alkaline redox flow batteries

A. N. Colli, P. Peljo and H. H. Girault, Chem. Commun., 2016, 52, 14039 DOI: 10.1039/C6CC08070G

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