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Citation: LU Dao-Rong, LI Zhi-Xian. Preparation of LiV₃O₈ as Cathode Material for Lithium Batteries and Factors Affecting Electrochemical Performance of LiV₃O₈[J]. Chinese Journal of Applied Chemistry, ;2007, 24(4): 425-428. shu

Preparation of LiV₃O₈ as Cathode Material for Lithium Batteries and Factors Affecting Electrochemical Performance of LiV₃O₈

LU Dao-Rong ^, ,
LI Zhi-Xian

1.
College of Chemical Engineering, Hefei University of Technology, Hefei 230009

Corresponding author: LU Dao-Rong,
Received Date: 2 June 2006
Available Online: 21 December 2006
Fund Project: 安徽省教育厅自然科学基金资助项目(050601D2) (050601D2)

LiV₃O₈ as cathode material for lithium batteries was prepared via sol-gel method.Effects of the concentration of LiOH solution on the particle size,the structure,the electrical conductivity and the electrochemical performance of LiV₃O₈ were studied.It was found that the intensity of X-ray diffraction peaks,the particle size and the electrical conductivity of LiV₃O₈ can be controlled by changing the concentration of the LiOH solution.The paticle size distribution and the structure of LiV₃O₈ and the electrochemical perfor-mance were measured.The results show that the crystallization degree and the intensity of peak(100) decreased with the increase of the LiOH concentration.An ideal particle size distribution and a high electrical conductivity value(9.06×10^-2 s/cm) was obtained at a concentration of 0.030 mol/L.The capacity and the cycle performance of LiV₃O₈ were found to depend on the concentration of the LiOH solution.The specific capacity was 310 mA·h/g and the cycle performance decreased by 4% after 15 cycles at a LiOH concentration of 0.030 mol/L.
- lithium battery,
- LiV₃O₈,
- structure,
- particle size,
- electrochemical-performance,
- concentration of LiOH solution
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Preparation of LiV₃O₈ as Cathode Material for Lithium Batteries and Factors Affecting Electrochemical Performance of LiV₃O₈