Issue 8, 2012
From the journal:

CrystEngComm

Synthesis of LiV3O8nanosheets as a high-rate cathode material for rechargeable lithium batteries†

Haiyan Wang,*a   Yu Ren,b   Yuan Wang,b   Wenjie Wanga  and  Suqin Liu*a  

* Corresponding authors

a School of Chemistry and Chemical Engineering, Central South University, Changsha, P.R. China
E-mail: wanghy419@126.com, sqliu2003@126.com
Fax: +86 731 88879850
Tel: +86 731 88879850

b School of Chemistry, University of St Andrews, Fife, UK

Abstract

LiV3O8 nanosheets with a thickness of 15–30 nm and width of 200–500 nm were synthesized by a facile hydrothermal approach combined with a solid state process, using uniform (NH4)0.5V2O5 nanosheets as the precursor. The nanosheets show a discharge capacity of 260.0, 232.4, 173.9 and 148.7 mA h g−1 at 0.4, 1.0, 3.0 and 5.0 C, respectively. Good cycling stability is also demonstrated by the capacity retention of 85.3% at 1000 mA g−1 after 100 cycles. The unique nanosheet structure greatly contributes to the short Li+ diffusion pathways and a good contact between the active material and electrolyte, as well as a good tolerance of the morphology change, which mainly result in high rate performance and good cycling stability for LiV3O8 nanosheets.

Graphical abstract: Synthesis of LiV3O8 nanosheets as a high-rate cathode material for rechargeable lithium batteries

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Article information

DOI
https://doi.org/10.1039/C2CE06326C
Article type
Paper
Submitted
07 Oct 2011
Accepted
19 Dec 2011
First published
08 Feb 2012

CrystEngComm, 2012,14, 2831-2836

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Synthesis of LiV3O8 nanosheets as a high-rate cathode material for rechargeable lithium batteries

H. Wang, Y. Ren, Y. Wang, W. Wang and S. Liu, CrystEngComm, 2012, 14, 2831 DOI: 10.1039/C2CE06326C

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