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Acta Physico-Chimica Sinica  2006, Vol. 22 Issue (12): 1555-1559    DOI: 10.3866/PKU.WHXB20061224
Note     
Solvothermal Synthesis and Electrochemical Lithiation/Delithiation Performance of FeSb2 Nanorods
QIN Hai-Ying;XIE Jian;MI Jian-Li;TU Jian;ZHAO Xin-Bing
(State Key Laboratory of Silicon Material, Department of Material Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China)
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Abstract  FeSb2 nanorods, as a potential anode material for lithium-ion batteries, were prepared by solvothermal method in the present work. High-resolution transmission electron microscopy (HRTEM) observations show that the FeSb2 nanorods are 20~40 nm in diameter and 0.2~1.0 μm in length. The charge-discharge measurements and cyclic voltammetry tests reveal that the FeSb2 nanorods exhibit the high initial reversible capacity of 543 mAh•g−1 and an approving cycling stability with 353 mAh•g−1 after 10 cycles. Although the initial coulomb efficiency of the FeSb2 nanorods is only 64%, it is better than that of FeSb2 nano-particles and maintains at 90% after 10 cycles. However, the FeSb2 nanorods could be pulverized and cracked during the cyclic voltammetry test resulting in the failure of the electrode.

Key wordsFeSb2 nanorods      Solvothermal synthesis      Anode materials      Lithium-ion batteries     
Received: 25 April 2006      Published: 06 December 2006
Corresponding Authors: ZHAO Xin-Bing     E-mail: Zhaoxb@zju.edu.cn
Cite this article:

QIN Hai-Ying;XIE Jian;MI Jian-Li;TU Jian;ZHAO Xin-Bing. Solvothermal Synthesis and Electrochemical Lithiation/Delithiation Performance of FeSb2 Nanorods. Acta Physico-Chimica Sinica, 2006, 22(12): 1555-1559.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20061224     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2006/V22/I12/1555

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