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Journal of Shanghai University >

2021 , Vol. 27 >Issue 1: 78 - 85

DOI: https://doi.org/10.12066/j.issn.1007-2861.2104

Research Articles

Synthesis of tin-oxygen sulfide compound @poly-aniline@reduced graphene composites with superior electrochemical performance

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  • School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China

Received date: 2018-10-12

  Online published: 2021-02-28

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Abstract

By hydrothermal synthesis of tin disulfide hexagonal wafers, polyaniline was wrapped outside by using oxidative polymerization, and tin-oxygen sulfide compound@polyaniline@reduced graphene oxide composites were prepared by hydrothermal reduction. Characterization instruments of X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscope (SEM), and transmission electron microscope (TEM) were used to analyze the morphology and phase of the composites. The results show that the prepared hexagonal tin oxysulfide compound is double-coated by polyaniline and reduced graphene. The electrochemical properties of the composites as a negative electrode of a lithium-ion battery were investigated. The results reveal that the polyaniline and reduced graphene in the multicomponent composite increase the conductivity and buffer the volume expansion of the tin-oxygen sulfide compound during charge and discharge, maintain structural stability, and exhibit superior electrical performance.

Key words： tin-oxygen sulfide compound; hexagonal phase; lithium-ion battery

Cite this article

ZHU Ying, ZHOU Diwen, TANG Yan, WANG Hao, ZHAO Pandeng, PU Xianjuan, JIAO Zheng, CHENG Lingli . Synthesis of tin-oxygen sulfide compound @poly-aniline@reduced graphene composites with superior electrochemical performance[J]. Journal of Shanghai University, 2021 , 27(1) : 78 -85 . DOI: 10.12066/j.issn.1007-2861.2104

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