Nanocomposite Li3V2(PO4)3/carbon as a cathode material with high rate performance and long-term cycling stability in lithium-ion batteries - Details

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Xiong, P. (Xiong, P..) ^[1] | Zeng, L. (Zeng, L..) ^[2] | Li, H. (Li, H..) ^[3] | Zheng, C. (Zheng, C..) ^[4] | Wei, M. (Wei, M..) ^[5]

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Abstract：

In　the　present　work,　nanocomposite　Li3V2(PO4)3/carbon　is　successfully　synthesized　by　combining　a　sol-gel　method　and　a　nanocasting　route,　and　then　it　is　characterized　by　means　of　X-ray　diffraction　(XRD),　thermogravimetric　analysis　(TG),　N2　adsorption-desorption,　and　transmission　electron　microscopy　(TEM).　Furthermore,　this　nanocomposite　is　used　as　a　cathode　material　for　Li-ion　intercalation　and　exhibits　large　reversible　capacity,　high　rate　performance　and　excellent　long-term　cycling　stability.　For　instance,　a　large　reversible　capacity　of　95　mA　h　g-1　and　an　average　Coulombic　efficiency　of　99.1%　can　be　maintained　even　after　3000　cycles　at　a　high　rate　of　20C　in　the　potential　range　of　3.0-4.3　V.　Moreover,　the　Li3V2(PO4)3/C　nanocomposite　delivered　a　large　capacity　of　127　mA　h　g-1　at　a　high　rate　of　10C　in　the　voltage　range　of　3.0-4.8　V.　The　super　results　might　be　attributed　to　the　unique　hierarchical　architecture　of　the　Li3V2(PO4)3/carbon　nanocomposite.　©　The　Royal　Society　of　Chemistry.

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[ 1 ] [Xiong, P.]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou Fujian, 350002, China
[ 2 ] [Xiong, P.]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou Fujian, 350002, China
[ 3 ] [Zeng, L.]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou Fujian, 350002, China
[ 4 ] [Zeng, L.]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou Fujian, 350002, China
[ 5 ] [Li, H.]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou Fujian, 350002, China
[ 6 ] [Li, H.]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou Fujian, 350002, China
[ 7 ] [Zheng, C.]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou Fujian, 350002, China
[ 8 ] [Zheng, C.]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou Fujian, 350002, China
[ 9 ] [Wei, M.]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou Fujian, 350002, China
[ 10 ] [Wei, M.]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou Fujian, 350002, China

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RSC Advances

ISSN： 2046-2069

Year： 2015

Issue： 70

Volume： 5

Page： 57127-57132

3 . 2 8 9

JCR@2015

3 . 9 0 0

JCR@2023

ESI HC Threshold：265

JCR Journal Grade：2

CAS Journal Grade：3

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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