In situ TEM observing structural transitions of MoS2 upon sodium insertion and extraction

Liqiang Zhang; Yushu Tang; Yuecun Wang; Yongli Duan; Degang Xie; Chunyang Wu; Lishan Cui; Yongfeng Li; Xiaohui Ning; Zhiwei Shan

doi:10.1039/C6RA18188K

In situ TEM observing structural transitions of MoS₂ upon sodium insertion and extraction†

Liqiang Zhang,‡^ab Yushu Tang,‡^ab Yuecun Wang,‡^c Yongli Duan,^a Degang Xie,^c Chunyang Wu,^d Lishan Cui,^ab Yongfeng Li,*^a Xiaohui Ning*^c and Zhiwei Shan^c

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* Corresponding authors

^a State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Changping, Beijing, China
E-mail: yfli@cup.edu.cn

^b Department of Materials Science and Engineering, China University of Petroleum, Beijing 102249, China

^c The Center for Advancing Materials Performance from the Nanoscale (CAMP-Nano), Xi An Jiao Tong University, Xian, China
E-mail: xiaohuining@mail.xjtu.edu.cn

^d School of Materials Science and Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China

Abstract

In this study, the sodiation and desodiation processes of MoS₂ were characterized by using an in situ TEM technique. The structural evolution of MoS₂ and its performance in a coin-type cell are recognized. Our findings provide a fundamental understanding of the reaction mechanism of MoS₂ as anode for Na ion batteries.

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In situ TEM observing structural transitions of MoS₂ upon sodium insertion and extraction†

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In situ TEM observing structural transitions of MoS₂ upon sodium insertion and extraction

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