Successful Charge–Discharge Experiments of Anthraquinone-Bromate Flow Battery: First Report

Lilia Abunaeva (), Natalia Kartashova, Kirill Karpenko, Dmitry Chikin, Darya Verakso, Pavel Loktionov, Roman Pichugov, Anatoly Vereshchagin, Mikhail Petrov and Anatoly Antipov ()
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Lilia Abunaeva: EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
Natalia Kartashova: EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
Kirill Karpenko: N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
Dmitry Chikin: EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
Darya Verakso: EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
Pavel Loktionov: EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
Roman Pichugov: EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
Anatoly Vereshchagin: N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
Mikhail Petrov: EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
Anatoly Antipov: EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia

Energies, 2022, vol. 15, issue 21, 1-9

Abstract: The proposed anthraquinone-bromate cell combines the advantages of anthraquinone-bromine redox flow batteries and novel hybrid hydrogen-bromate flow batteries. The anthraquinone-2,7-disulfonic acid is of interest as a promising organic negolyte due its high solubility, rapid kinetics of electrode reactions and suitable redox potentials combined with a high chemical stability during redox reactions. Lithium or sodium bromates as posolytes provide an anomalously high discharge current density of order ~A cm −2 due to a novel autocatalytic mechanism. Combining these two systems, we developed a single cell of novel anthraquinone-bromate flow battery, which showed a power density of 1.08 W cm −2 , energy density of 16.1 W h L −1 and energy efficiency of 72% after 10 charge–discharge cycles.

Keywords: redox flow batteries; anthraquinone; 2,7-AQDS; bromate anions; membrane electrode assembly; energy storage; hybrid flow batteries (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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