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The PVP-assisted construction of a Co3V2O8@NiCo LDH hierarchical structure for high-performance lithium-ion batteries

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Abstract

Hybrid materials have attracted tremendous attention because of their potential for achieving satisfactory lithium storage properties, which are promising to meet the growing demand of the powering market and consumer. In this study, we designed an effective strategy to synthesize a Co3V2O8@NiCo LDH composite with a 3D hierarchical structure based on the assistant of PVP. With PVP-modified Co3V2O8 as templates, NiCo LDH grew on the surface of Co3V2O8 successfully and uniformly. As anode materials for LIBs, the obtained composite Co3V2O8@NiCo LDH delivered remarkable capacity properties (1329.4 mA h g−1 at 1 A g−1 after 500 cycles), cycle stability and rate ability (893.1 mA h g−1 at a high current density of 5 A g−1 after 950 cycles). The outstanding lithium storage properties might be attributed to the complex three-dimensional structure, the combination of different components and the synergistic effect of hybrid materials.

Graphical abstract: The PVP-assisted construction of a Co3V2O8@NiCo LDH hierarchical structure for high-performance lithium-ion batteries

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Article information


Submitted
09 Apr 2020
Accepted
01 Jun 2020
First published
02 Jun 2020

New J. Chem., 2020, Advance Article
Article type
Paper

The PVP-assisted construction of a Co3V2O8@NiCo LDH hierarchical structure for high-performance lithium-ion batteries

S. Zhang, L. Zhang, G. Xu, X. Zhang and A. Zhao, New J. Chem., 2020, Advance Article , DOI: 10.1039/D0NJ01765E

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