Unveiling the structural evolution of 1T SnS2 anode upon lithiation/delithiation by TEM

Ruicong Xie; Ying Cui; Tong Zhou; Junqiang Ren; Longchao Zhuo; Jun Luo; Chao Li; Xizheng Liu

doi:10.1039/C9CC03320C

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Unveiling the structural evolution of 1T SnS₂ anode upon lithiation/delithiation by TEM†

Ruicong Xie,‡^a Ying Cui,‡^a Tong Zhou,^a Junqiang Ren,^b Longchao Zhuo,^c Jun Luo,^a Chao Li*^a and Xizheng Liu

*^a

Author affiliations

* Corresponding authors

^a Centre for Electron Microscopy, TUT-FEI Joint Laboratory, Tianjin Key Laboratory of Advanced Porous Functional Materials, Institute for New Energy Materials & Low-Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
E-mail: chao_li@tjut.edu.cn, xzliu@tjut.edu.cn

^b State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Department of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, Gansu 730050, China

^c School of Materials Science and Engineering, Xi’an University of Technology, Xi’an 710048, China

Abstract

Herein, the definite structure-dependent evolution process upon lithiation/delithiation and clear atomic images of pure 1T-phase SnS₂ were obtained for the first time, illustrating the different insertion–conversion–desertion processes of discharge/charge plateaus. Also, 1T SnS₂ exhibited advantages over commercial SnS₂ (mixed with 1T and 1H phases) in cell resistance and lithium-storage performance.

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Article information

DOI: https://doi.org/10.1039/C9CC03320C
Article type: Communication
Submitted: 30 Apr 2019
Accepted: 03 Jun 2019
First published: 04 Jun 2019

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Chem. Commun., 2019,55, 7800-7803

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Unveiling the structural evolution of 1T SnS₂ anode upon lithiation/delithiation by TEM

R. Xie, Y. Cui, T. Zhou, J. Ren, L. Zhuo, J. Luo, C. Li and X. Liu, Chem. Commun., 2019, 55, 7800 DOI: 10.1039/C9CC03320C

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Chemical Communications