首页|Large-scale fabricating carbon coating Chevrel phase in molten salts: Implications for high-performance magnesium-ion battery cathode
Large-scale fabricating carbon coating Chevrel phase in molten salts: Implications for high-performance magnesium-ion battery cathode
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NSTL
Elsevier
? 2022 Elsevier B.V.Molten salt synthesis is a facile, extensible and effective way to obtain specific electrode materials with in situ carbon coating. Herein, a carbon coating Mo6S8 compounds were synthesized based on molten KCl medium, and the excellent electrochemical Mg-storage performance were demonstrated in rechargeable Mg ion batteries. Benefiting from the in situ carbon coating, the as-synthesized Mo6S8 @C delivers a high reversible capacity of 90 mAh g–1 and a superior rate performance. Further mechanism investigation via kinetics testing, ex situ XRD and XPS demonstrate that the carbon coating layer on the surface of Mo6S8 could accelerate the electron/ion transport and improve the rate performance and stability of the electrodes. This work provides a possible way to large-scale fabrication of the carbon coating Mo6S8 and lays a foundation for the practical applications of Mg ion batteries.
Carbon coatingChevrel phaseMg-storage materialsMolten salt synthesis
Zhao W.、Zhang Y.、Li H.、Wang K.、Jiang K.
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State Key Laboratory of Advanced Electromagnetic Engineering and Technology School of Electrical and Electronic Engineering Huazhong University of Science and Technology
NSTL
Elsevier
