Defect and Performance Analysis of Spinel LiLa0.01Mn1.99O4 Synthesized at Different Temperatures for Lithium Ion Battery
来源期刊：Journal of Rare Earths2006年第S2期
论文作者：伊廷锋 胡信国 霍慧彬
文章页码：156 - 159
摘 要：The spinel LiLa0.01Mn1.99O4 cathode materials were prepared by adipic acid-assisted sol-gel method at 400～900 ℃ in air. The effect of synthesis temperature on defect of LiLa0.01Mn1.99O4 was investigated by using X-ray diffraction （XRD）, galvanostatic charge-discharge test, and electrochemical impedance spectroscopy （EIS）. The result shows that the structure and electrochemical performance of LiLa0.01Mn1.99O4 are greatly affected by synthesis temperature, and the optimal synthesis temperature is determined. There is lots of defect in materials synthesized lower temperature than the one synthesized higher temperature. Charge-discharge test reveals that the amount of defect has significant effects on the electrochemical performance of LiLa0.01Mn1.99O4 cathode materials.
伊廷锋，胡信国，霍慧彬
摘 要：The spinel LiLa0.01Mn1.99O4 cathode materials were prepared by adipic acid-assisted sol-gel method at 400～900 ℃ in air. The effect of synthesis temperature on defect of LiLa0.01Mn1.99O4 was investigated by using X-ray diffraction （XRD）, galvanostatic charge-discharge test, and electrochemical impedance spectroscopy （EIS）. The result shows that the structure and electrochemical performance of LiLa0.01Mn1.99O4 are greatly affected by synthesis temperature, and the optimal synthesis temperature is determined. There is lots of defect in materials synthesized lower temperature than the one synthesized higher temperature. Charge-discharge test reveals that the amount of defect has significant effects on the electrochemical performance of LiLa0.01Mn1.99O4 cathode materials.
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