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|Title:||Porous Na3V2(PO4)3@C nanoparticles enwrapped in three-dimensional graphene for high performance sodium-ion batteries|
|Citation:||Journal of Materials Chemistry A, 2016; 4(4):1180-1185|
|Publisher:||Royal Society of Chemistry|
|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|
|Appears in Collections:||Chemical Engineering publications|
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