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Issue 7, 2020
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Synthesis of nanoparticle-assembled Zn3(VO4)2 porous networks via a facile coprecipitation method for high-rate and long-life lithium-ion storage

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Abstract

A simple coprecipitation route followed by a calcination process was developed to prepare 2D hierarchical Zn3(VO4)2 porous networks formed by the crosslinkage of monolayered nanoparticles. As a promising anode for lithium ion batteries, the electrochemical performance of Zn3(VO4)2 was investigated. At a current density of 1.0 A g−1, the Zn3(VO4)2 porous networks could register a high reversible discharge capacity of 773 mA h g−1 and the capacity retention was 94% after 700 cycles. Moreover, a remarkable reversible discharge capacity of 445 mA h g−1 was achieved at a current density of 5 A g−1 after 1200 cycles. Even at a higher current density of 10.0 A g−1, a high reversible capacity of 527 mA h g−1 could be delivered, which still remained at 163 mA h g−1 after 1200 cycles. This superior performance is attributed to the unique 2D porous networks with a stable structure. This work shows a new avenue for facile, cheap, green, and mass production of zinc vanadate oxides with 2D porous hierarchical networks for next-generation energy conversion and storage devices.

Graphical abstract: Synthesis of nanoparticle-assembled Zn3(VO4)2 porous networks via a facile coprecipitation method for high-rate and long-life lithium-ion storage

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Article information


Submitted
23 Nov 2019
Accepted
13 Jan 2020
First published
14 Jan 2020

Dalton Trans., 2020,49, 2112-2120
Article type
Paper

Synthesis of nanoparticle-assembled Zn3(VO4)2 porous networks via a facile coprecipitation method for high-rate and long-life lithium-ion storage

Y. Gu, Y. Han, W. Hou, H. Lan, H. Zhang, X. Deng, L. Wang and J. Liu, Dalton Trans., 2020, 49, 2112
DOI: 10.1039/C9DT04503A

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