Issue 7, 2022

Electrochemical reaction behavior of MnS in aqueous zinc ion battery

Abstract

Herein, we designed a MnS/C nanosheet (MnS/C) cathode material via the sulfidation of a lab-prepared Mn-based organometallic precursor. The carbon derived from the organometallic precursor endows the MnS/C with decent conductivity, while the high diameter-to-thickness ratio endows it with accessible active sites, effective ion diffusion, and electrolyte permeation. When serving as a zinc ion battery cathode material, the MnS-derived MnOx shows a high ion diffusion kinetics and cyclability. A high specific capacity of 187.0 mA h g−1 could be obtained after 100 cycles at 0.3 A g−1. The electrochemical reaction mechanism shows that MnS gradually transformed into MnOx upon the first charge, and the subsequent battery chemistry is actually the intercalation/deintercalation of H+ and Zn2+ of MnOx, but no longer MnS.

Graphical abstract: Electrochemical reaction behavior of MnS in aqueous zinc ion battery

Supplementary files

Article information

Article type
Research Article
Submitted
29 Dec 2021
Accepted
06 Feb 2022
First published
07 Feb 2022

Inorg. Chem. Front., 2022,9, 1481-1489

Electrochemical reaction behavior of MnS in aqueous zinc ion battery

S. Xu, S. Fan, W. Ma, J. Fan and G. Li, Inorg. Chem. Front., 2022, 9, 1481 DOI: 10.1039/D1QI01659H

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