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Facile Synthesis of Mesoporous MoS 2 ‐TiO 2 Nanofibers for Ultrastable Lithium Ion Battery Anodes
Author(s) -
Zhuang Wei,
Li Licheng,
Zhu Jiahua,
An Rong,
Lu Linghong,
Lu Xiaohua,
Wu Xinbing,
Ying Hanjie
Publication year - 2015
Publication title -
chemelectrochem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 59
ISSN - 2196-0216
DOI - 10.1002/celc.201402358
Subject(s) - materials science , anode , mesoporous material , nanocomposite , nanofiber , electrochemistry , lithium (medication) , electrode , chemical engineering , lithium ion battery , nanotechnology , battery (electricity) , catalysis , chemistry , organic chemistry , medicine , power (physics) , physics , quantum mechanics , endocrinology , engineering
TiO 2 hybrid nanocomposites are promising electrode materials for lithium‐ion batteries because of the large specific capacity, excellent rate capability, and high cycling stability. We have developed an effective facile incipient wetness impregnation method that can be used to fabricate novel mesoporous MoS 2 –TiO 2 fibrous nanocomposites. The MoS 2 –TiO 2 nanocomposites exhibited notable electrochemical performance with a high capacity of 120 mA h g −1 at a rate of 40 C and long‐term, stable capacity of 124 mA h g −1 with a capacity retention of 75.2 % after 1000 cycles. These results suggest that the structure of mesoporous TiO 2 nanofibers composited with a thin, uniform, well‐dispersed MoS 2 layer improve the rate performance and cycling stability. Such good performance may be derived from the dispersed MoS 2 layer, which accelerates the surface electrochemical reactions and offers a stable structure.