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Kartashova NV, Konev DV, Loktionov PA, Glazkov AT, Goncharova OA, Petrov MM, Antipov AE, Vorotyntsev MA. A Hydrogen-Bromate Flow Battery as a Rechargeable Chemical Power Source. MEMBRANES 2022; 12:1228. [PMID: 36557135 PMCID: PMC9782483 DOI: 10.3390/membranes12121228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/25/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
The hydrogen-bromate flow battery represents one of the promising variants for hybrid power sources. Its membrane-electrode assembly (MEA) combines a hydrogen gas diffusion anode and a porous flow-through cathode where bromate reduction takes place from its acidized aqueous solution: BrO3− + 6 H+ + 6 e− = Br− + 3 H2O (*). The process of electric current generation occurs on the basis of the overall reaction: 3 H2 + BrO3− = Br− + 3 H2O (**), which has been studied in previous publications. Until this work, it has been unknown whether this device is able to function as a rechargeable power source. This means that the bromide anion, Br−, should be electrooxidized into the bromate anion, BrO3−, in the course of the charging stage inside the same cell under strongly acidic conditions, while until now this process has only been carried out in neutral or alkaline solutions with specially designed anode materials. In this study, we have demonstrated that processes (*) and (**) can be performed in a cyclic manner, i.e., as a series of charge and discharge stages with the use of MEA: H2, Freidenberg H23C8 Pt-C/GP-IEM 103/Sigracet 39AA, HBr + H2SO4; square cross-section of 4 cm2 surface area, under an alternating galvanostatic mode at a current density of 75 mA/cm2. The coulombic, voltaic and energy efficiencies of the flow battery under a cyclic regime, as well as the absorption spectra of the catholyte, were measured during its operation. The total amount of Br-containing compounds penetrating through the membrane into the anode space was also determined.
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Affiliation(s)
- Natalia V. Kartashova
- Faculty of Fundamental Physical and Chemical Engineering, Lomonosov Moscow State University, 119991 Moscow, Russia
- EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
| | - Dmitry V. Konev
- Federal Research Center of Problem of Chemical Physics and Medicinal Chemistry RAS, 142432 Chernogolovka, Russia
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russia
| | - Pavel A. Loktionov
- EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
- Federal Research Center of Problem of Chemical Physics and Medicinal Chemistry RAS, 142432 Chernogolovka, Russia
| | - Artem T. Glazkov
- EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russia
| | - Olga A. Goncharova
- Federal Research Center of Problem of Chemical Physics and Medicinal Chemistry RAS, 142432 Chernogolovka, Russia
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russia
| | - Mikhail M. Petrov
- EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
| | - Anatoly E. Antipov
- EMCPS Department, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
| | - Mikhail A. Vorotyntsev
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russia
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Zader PA, Konev DV, Vorotyntsev MA. Theoretical Analysis of the pH Dependence of Evolution of the System Composition in the Course of Electrolysis of Acidic Aqueous Chloride Solutions. RUSS J ELECTROCHEM+ 2022. [DOI: 10.1134/s1023193522120084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Loktionov P, Pichugov R, Konev D, Petrov M, Pustovalova A, Antipov A. Operando UV/Vis spectra deconvolution for comprehensive electrolytes analysis of vanadium redox flow battery. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Zader PA, Konev DV, Gun J, Lev O, Vorotyntsev MA. Theoretical Analysis of System’s Composition Changes in the Course of Electrolysis of Acidic Chloride Aqueous Solution. RUSS J ELECTROCHEM+ 2022. [DOI: 10.1134/s1023193522100123] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Petrov MM, Konev DV, Antipov AE, Kartashova NV, Kuznetsov VV, Vorotyntsev MA. Theoretical Analysis of Changes in the System’s Composition in the Course of Oxidative Electrolysis of Bromide Solution: pH Dependence. RUSS J ELECTROCHEM+ 2020. [DOI: 10.1134/s1023193520100109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Petrov MM, Konev DV, Antipov AE, Kartashova NV, Kuznetsov VV, Vorotyntsev MA. Theoretical Analysis of Changes in the Solution Composition during Anodic Electrolysis of Bromide. RUSS J ELECTROCHEM+ 2019. [DOI: 10.1134/s1023193519110120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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