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Type: Journal article
Title: Porous Na3V2(PO4)3@C nanoparticles enwrapped in three-dimensional graphene for high performance sodium-ion batteries
Author: Fang, J.
Wang, S.
Li, Z.
Chen, H.
Xia, L.
Ding, L.
Wang, H.
Citation: Journal of Materials Chemistry A, 2016; 4(4):1180-1185
Publisher: Royal Society of Chemistry
Issue Date: 2016
ISSN: 2050-7488
Statement of
Junqi Fang, Suqing Wang, Zhitong Li, Hongbin Chen, Lu Xia, Liangxin Ding and Haihui Wang
Abstract: Porous Na3V2(PO4)3@C nanocomposites enwrapped in a 3D graphene network were prepared using a simple freeze-drying-assisted thermal treatment method. The carbon layer and 3D graphene network provide not only a 3D conductive network but also a double restriction on the aggregation of Na3V2(PO4)3 particles that have a high crystallinity under high temperature treatment. Due to the high electrochemical activity of the highly crystalline Na3V2(PO4)3 nanoparticles and 3D conductive network, the novel NVP@C/G material displays a superior rate capability (76 mA h g−1 at 60C) and ultra-long cyclability (82% capacity retention for 1500 cycles at 40C) when used in sodium-ion batteries.
Rights: This journal is © The Royal Society of Chemistry 2016
RMID: 0030043330
DOI: 10.1039/c5ta08869k
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Appears in Collections:Chemical Engineering publications

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