Electrochemical properties of LiNi0.5Mn1.3Ti0.2O4/Li4Ti5O12 cells

Guo-qiang Liu; Xi Wang; Ya-jie Gao; Lei Wen; Guang-yin Liu; Jian-jie Zheng; Peng Cen; Ying Li

doi:10.1007/s12613-012-0579-1

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Guo-qiang Liu, Xi Wang, Ya-jie Gao, Lei Wen, Guang-yin Liu, Jian-jie Zheng, Peng Cen, and Ying Li, Electrochemical properties of LiNi_0.5Mn_1.3Ti_0.2O₄/Li₄Ti₅O₁₂ cells, Int. J. Miner. Metall. Mater., 19(2012), No. 5, pp.457-460. https://dx.doi.org/10.1007/s12613-012-0579-1

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Electrochemical properties of LiNi_0.5Mn_1.3Ti_0.2O₄/Li₄Ti₅O₁₂ cells

摘要: Spinel compounds LiNi_0.5Mn_1.3Ti_0.2O₄ (LNMTO) and Li₄Ti₅O₁₂ (LTO) were synthesized by different methods. The particle sizes of LNMTO and LTO are 0.5-2 and 0.5-0.8 μm, respectively. The LNMTO/LTO cell exhibits better electrochemical properties at both a low current rate of 0.2C and a high current rate of 1C. When the specific capacity was determined based on the mass of the LNMTO cathode, the LNMTO/LTO cell delivered 137 mA·h·g^-1 at 0.2C and 118.2 mA·h·g^-1 at 1C, and the corresponding capacity retentions after 30 cycles are 88.5% and 92.4%, respectively.

Electrochemical properties of LiNi_0.5Mn_1.3Ti_0.2O₄/Li₄Ti₅O₁₂ cells

Abstract: Spinel compounds LiNi_0.5Mn_1.3Ti_0.2O₄ (LNMTO) and Li₄Ti₅O₁₂ (LTO) were synthesized by different methods. The particle sizes of LNMTO and LTO are 0.5-2 and 0.5-0.8 μm, respectively. The LNMTO/LTO cell exhibits better electrochemical properties at both a low current rate of 0.2C and a high current rate of 1C. When the specific capacity was determined based on the mass of the LNMTO cathode, the LNMTO/LTO cell delivered 137 mA·h·g^-1 at 0.2C and 118.2 mA·h·g^-1 at 1C, and the corresponding capacity retentions after 30 cycles are 88.5% and 92.4%, respectively.

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