Nano/Energy MaterialsNo Access

The preparation and electrochemical performance of ${Mo}_{6} S_{8}$ as cathode materials for magnesium ion batteries

School of Material Science and Engineering, Xi’an Key Laboratory of Green Processing for Ceramic Materials, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi’an 710021, P. R. China

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Jianfeng Huang

E-mail Address: huangjfsust@126.com

Corresponding author.

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Jiayin Li

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https://doi.org/10.1142/S0217979220400123Cited by:4 (Source: Crossref)

This article is part of the issue:

SPECIAL ISSUE — MMPD 2019

Abstract

In this work, we reported a Chevrel phase ${Mo}_{6} S_{8}$ , which was synthesized by a molten salt approach, and its electrochemical performance as a cathode material for rechargeable magnesium batteries. The phase composition and micromorphology of the product were measured and analyzed by X-ray diffraction, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The Chevrel phase sulfide delivered an excellent specific capacity of 91 mAh g $^{- 1}$ at a current density of 0.2 C after 70 cycles. Its excellent reversible capacity, rate performance and cycle stability demonstrate the feasibility of the Chevrel phase ${Mo}_{6} S_{8}$ materials for future rechargeable magnesium batteries.

Keywords:

PACS: 82.47.Cb

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