In:
Angewandte Chemie, Wiley, Vol. 132, No. 51 ( 2020-12-14), p. 23143-23146
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.
Type of Medium:
Online Resource
ISSN:
0044-8249
,
1521-3757
DOI:
10.1002/ange.v132.51
DOI:
10.1002/ange.202008253
Language:
English
Publisher:
Wiley
Publication Date:
2020
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505868-5
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506609-8
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514305-6
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505872-7
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1479266-7
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505867-3
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506259-7
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