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Tubular hierarchical structure composed of O-doped ultrathin MoS2 nanosheets grown on carbon microtubes with enhanced lithium ion storage properties

  • Xia, Qing
  • Tan, Qiangqiang
Publication Date
Mar 30, 2019
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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As one of the promising anodes for lithium ion battery, MoS2 is attracting widespread attention because of its high abundance, low cost, and high theoretical capacity. In this work, a designed robust structure of ultrathin O-doped MoS2 nanosheets with expanded interlayer spacing in situ grown on the carbon microtubes is proposed and investigated as high efficient anode material. The designed composite ensures multiple advantages, including enhanced electronic and ionic conductivity, short diffusion distance for lithium ions, and large electrode/electrolyte interface for rapid charge transfer reaction. Due to the unique features, the manufactured electrodes exhibit a high specific capacity of 970 mAh g(-1) at 100 mA g(-1), outstanding rate capability, and ultralong cycle life up to 2000 cycles at 1000 mA g(-1). (C) 2018 Elsevier B.V. All rights reserved.

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