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