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HomeMaterials Science ForumMaterials Science Forum Vol. 814Preparation and Electrochemical Properties...

Preparation and Electrochemical Properties Research of Vanadium-Sol Modified LiFePO₄ Cathode Material for Lithium Ion Batteries

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Abstract:

Vanadium-sol modified LiFePO₄ material was prepared by 300 °C calcination in a tube furnace. The modified LiFePO₄ material was characterized by X-ray diffraction, field emission scanning electron microscopy, energy disperse spectroscopy and electrochemical impedance spectroscopy. The results indicated that vanadium-sol modified LiFePO₄ had higher first cycling efficiency, lower impedance and polarization, and better electrochemical properties at high charge/discharge rates.

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Energy and Environmental Materials II

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Periodical:

Materials Science Forum (Volume 814)

Pages:

25-30

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.814.25

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Online since:

March 2015

Authors:

Li Qiang Ye, Dong Ju Fu, Jian Jun Chen, Qing Ma, Wei Li Zhang, Man Lin Tan, Dong Shuang Li

Keywords:

LiFePO₄, Modification, Vanadium-Sol

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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