2‐methoxyhydroquinone from vanillin for aqueous redox‐flow batteries

W. Schlemmer, P. Nothdurft, A. Petzold, P. Frühwirt, M. Schmallegger, G. Gescheidt-Demner, R. Fischer, S.A. Freunberger, W. Kern, S. Spirk, Angewandte Chemie International Edition (n.d.).

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Journal Article | Accepted | English

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Author
Schlemmer, Werner; Nothdurft, Philipp; Petzold, Alina; Frühwirt, Philipp; Schmallegger, Max; Gescheidt-Demner, Georg; Fischer, Roland; Freunberger, Stefan AlexanderIST Austria ; Kern, Wolfgang; Spirk, Stefan
Department
Abstract
We show the synthesis of a redox‐active quinone, 2‐methoxy‐1,4‐hydroquinone (MHQ), from a bio‐based feedstock and its suitability as electrolyte in aqueous redox flow batteries. We identified semiquinone intermediates at insufficiently low pH and quinoid radicals as responsible for decomposition of MHQ under electrochemical conditions. Both can be avoided and/or stabilized, respectively, using H 3 PO 4 electrolyte, allowing for reversible cycling in a redox flow battery for hundreds of cycles.
Publishing Year
Date Published
2020-08-20
Journal Title
Angewandte Chemie International Edition
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Schlemmer W, Nothdurft P, Petzold A, et al. 2‐methoxyhydroquinone from vanillin for aqueous redox‐flow batteries. Angewandte Chemie International Edition. doi:10.1002/anie.202008253
Schlemmer, W., Nothdurft, P., Petzold, A., Frühwirt, P., Schmallegger, M., Gescheidt-Demner, G., … Spirk, S. (n.d.). 2‐methoxyhydroquinone from vanillin for aqueous redox‐flow batteries. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202008253
Schlemmer, Werner, Philipp Nothdurft, Alina Petzold, Philipp Frühwirt, Max Schmallegger, Georg Gescheidt-Demner, Roland Fischer, Stefan Alexander Freunberger, Wolfgang Kern, and Stefan Spirk. “2‐methoxyhydroquinone from Vanillin for Aqueous Redox‐flow Batteries.” Angewandte Chemie International Edition, n.d. https://doi.org/10.1002/anie.202008253.
W. Schlemmer et al., “2‐methoxyhydroquinone from vanillin for aqueous redox‐flow batteries,” Angewandte Chemie International Edition.
Schlemmer W, Nothdurft P, Petzold A, Frühwirt P, Schmallegger M, Gescheidt-Demner G, Fischer R, Freunberger SA, Kern W, Spirk S. 2‐methoxyhydroquinone from vanillin for aqueous redox‐flow batteries. Angewandte Chemie International Edition.
Schlemmer, Werner, et al. “2‐methoxyhydroquinone from Vanillin for Aqueous Redox‐flow Batteries.” Angewandte Chemie International Edition, Wiley, doi:10.1002/anie.202008253.

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