We demonstrate a rechargeable aqueous alkaline zinc–sulfur flow battery that comprises environmental materials zinc and sulfur as negative and positive active species. Meanwhile, a nickel-based electrode is also obtained by a two-step process to decrease the polarization of the sulfur redox reaction, thus greatly improving the voltage efficiency of the system from 32% to 78% at 10 mA cm−2.
R. Nie, Y. Nie, J. Wu, L. Yu, L. Liu and J. Xi, Chem. Commun., 2024, 60, 2946 DOI: 10.1039/D3CC06248A
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