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

Author:
XieRuicong Xie and Ying Cui contributed equally to this work., Ruicong, Cui, Ying, Zhou, Tong, Ren, Junqiang, Zhuo, Longchao, Luo, Jun, Li, Chao, Liu, Xizheng
Source:
Chemical communications 2019 v.55 no.54 pp. 7800-7803
ISSN:
1364-548X
Subject:
anodes, chemical reactions, sulfides, transmission electron microscopy
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.
Agid:
6493096