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Communication

High Voltage Redox-Meditated Flow Batteries with Prussian Blue Solid Booster

Department of Chemistry–Ångström Laboratory, Uppsala University, Box 538, 75121 Uppsala, Sweden
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Academic Editors: Unai Fernandez-Gamiz and Iñigo Aramendia
Energies 2021, 14(22), 7498; https://doi.org/10.3390/en14227498
Received: 18 October 2021 / Revised: 4 November 2021 / Accepted: 5 November 2021 / Published: 10 November 2021
(This article belongs to the Special Issue Energy Storage and Flow Batteries)
This work presents Prussian blue solid boosters for use in high voltage redox-mediated flow batteries (RMFB) based on non-aqueous electrolytes. The system consisted of sodium iodide as a redox mediator in an acetonitrile catholyte containing solid Prussian blue powder. The combination enabled the solid booster utilization in the proposed systems to reach as high as 66 mAh g−1 for hydrated Prussian blue and 110 mAh g−1 for anhydrous rhombohedral Prussian blue in cells with an average potential of about 3 V (vs. Na+/Na). Though the boosted system suffers from capacity fading, it opens up possibilities to develop non-aqueous RMFB with low-cost materials. View Full-Text
Keywords: flow battery; Prussian blue; solid booster; redox-mediated; non-aqueous flow battery; Prussian blue; solid booster; redox-mediated; non-aqueous
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MDPI and ACS Style

Ostrander, J.; Younesi, R.; Mogensen, R. High Voltage Redox-Meditated Flow Batteries with Prussian Blue Solid Booster. Energies 2021, 14, 7498. https://doi.org/10.3390/en14227498

AMA Style

Ostrander J, Younesi R, Mogensen R. High Voltage Redox-Meditated Flow Batteries with Prussian Blue Solid Booster. Energies. 2021; 14(22):7498. https://doi.org/10.3390/en14227498

Chicago/Turabian Style

Ostrander, John, Reza Younesi, and Ronnie Mogensen. 2021. "High Voltage Redox-Meditated Flow Batteries with Prussian Blue Solid Booster" Energies 14, no. 22: 7498. https://doi.org/10.3390/en14227498

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