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Hierarchical Porous NiO/β-NiMoO4 Heterostructure as Superior Anode Material for Lithium Storage

  • Zhijian Wang
  • , Shilin Zhang
  • , Hai Zeng
  • , Haimin Zhao
  • , Wei Sun
  • , Meng Jiang
  • , Chuanqi Feng
  • , Jianwen Liu
  • , Tengfei Zhou
  • , Yang Zheng*
  • , Zaiping Guo
  • *Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

Ternary transition metal oxides (TTMOs) have attracted considerable attention for rechargeable batteries because of their fascinating properties. However, the unsatisfactory electrochemical performance originating from the poor intrinsic electronic conductivity and inferior structural stability impedes their practical applications. Here, the novel hierarchical porous NiO/β-NiMoO<sub>4</sub> heterostructure is fabricated, and exhibits high reversible capacity, superior rate capability, and excellent cycling stability in Li-ion batteries (LIBs), which is much better than the corresponding single-phase NiMoO<sub>4</sub> and NiO materials. The significantly enhanced electrochemical properties can be attributed to its superior structural characteristics, including the large surface area, abundant pores, fast charge transfer, and catalytic effect of the intermediate product of metallic nickel. The NiO/β-NiMoO<sub>4</sub> heterostructure delivers a high capacity of 1314 mA h g<sup>−1</sup> at 0.2 A g<sup>−1</sup> after 100 cycles. Furthermore, even after 400 cycles at 1 A g<sup>−1</sup>, the reversible capacity remains at around 500 mA h g<sup>−1</sup>. These results indicate that the NiO/β-NiMoO<sub>4</sub> heterostructure shows great potential as an anode material for high-performance LIBs. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
Original languageEnglish
Pages (from-to)915-923
JournalChemPlusChem
Volume83
Issue number10
DOIs
Publication statusPublished - 1 Oct 2018
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

Financial support provided by the grant from the National Natural Science Foundation of China (No. 21476063) and the Hubei Provincial Natural Science Foundation of China (2018CFB237) is gratefully acknowledged.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Research Keywords

  • electrochemistry
  • heterostructures
  • Li-ion batteries
  • nanostructures
  • ternary transition metal oxides

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