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Title: MoS2 nanosheets decorated Ni3S2@MoS2 coaxial nanofibers: Constructing an ideal heterostructure for enhanced Na-ion storage
Authors: Wang, Jin
Liu, Jilei
Yang, Hao
Chao, Dongliang
Yan, Jiaxu
Savilov, Serguei V.
Lin, Jianyi
Shen, Ze Xiang
Keywords: Molybdenum sulfide
Issue Date: 2016
Source: Wang, J., Liu, J., Yang, H., Chao, D., Yan, J., Savilov, S. V., et al. (2016). MoS2 nanosheets decorated Ni3S2@MoS2 coaxial nanofibers: Constructing an ideal heterostructure for enhanced Na-ion storage. Nano Energy, 20, 1-10.
Series/Report no.: Nano Energy
Abstract: The performance of sodium ion batteries (SIBs) is mainly determined by the electrochemical activity and kinetic feature of electrode materials. High performance relies largely on the scrupulous design of nano-architectures and smart hybridization of bespoke active materials. It is fundamentally important for establishing a relationship between the structure/chemistry of these materials and their properties. Herein, we developed a novel synergistic Ni3S2-MoS2 core-shell nanofiber superstructure on 3D Ni/graphene foam by a one-step PVP-assisted hydrothermal reaction. Such hierarchical nanofibers can provide the homogeneous atomic heterointerface with porous hierarchical structure, resulting in the maximization of synergistic interaction. This unique structure results in very high specific capacity and rate capability as well as extremely long-term cycle stability. As anode electrode of SIBs, it exhibits a very high reversible specific capacity of 568 mAh g−1 at a current density of 200 mA g−1 with excellent rate capability (283 mAh g−1 at 5 A g−1), and the specific capacity can be well-maintained to 207 mAh g-1 at 5 A g−1 even after 400 cycles. The strategy developed in our study can open a new way to prepare other layered-material-based hybrid superstructure for next-generation energy storage devices.
ISSN: 2211-2855
DOI: 10.1016/j.nanoen.2015.12.010
Rights: © 2016 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Nano Energy, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles
IGS Journal Articles
SPMS Journal Articles

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