In situ electrochemical recomposition of decomposed redox-active species in aqueous organic flow batteries.
Journal
Nature chemistry
ISSN: 1755-4349
Titre abrégé: Nat Chem
Pays: England
ID NLM: 101499734
Informations de publication
Date de publication:
10 2022
10 2022
Historique:
received:
16
12
2021
accepted:
04
05
2022
pubmed:
18
6
2022
medline:
30
9
2022
entrez:
17
6
2022
Statut:
ppublish
Résumé
Aqueous organic redox flow batteries offer a safe and potentially inexpensive solution to the problem of storing massive amounts of electricity produced from intermittent renewables. However, molecular decomposition represents a major barrier to commercialization-and although structural modifications can improve stability, it comes at the expense of synthetic cost and molecular weight. Now, utilizing 2,6-dihydroxy-anthraquinone (DHAQ) without further structural modification, we demonstrate that the regeneration of the original molecule after decomposition represents a viable route to achieve low-cost, long-lifetime aqueous organic redox flow batteries. We used in situ (online) NMR and electron paramagnetic resonance, and complementary electrochemical analyses to show that the decomposition compound 2,6-dihydroxy-anthrone (DHA) and its tautomer, 2,6-dihydroxy-anthranol (DHAL) can be recomposed to DHAQ electrochemically through two steps: oxidation of DHA(L)
Identifiants
pubmed: 35710986
doi: 10.1038/s41557-022-00967-4
pii: 10.1038/s41557-022-00967-4
doi:
Substances chimiques
Electrolytes
0
Ions
0
Mitoxantrone
BZ114NVM5P
Anthralin
U8CJK0JH5M
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
1103-1109Informations de copyright
© 2022. The Author(s), under exclusive licence to Springer Nature Limited.
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