Synthesis and electrochemical properties of LiNi1/3Co1/3Mn1/3O2 cathode material



Publication Details

Li, L., Feng, C., Zheng, H., He, P. & Wang, J. (2014). Synthesis and electrochemical properties of LiNi1/3Co1/3Mn1/3O2 cathode material. Journal of Electronic Materials, 43 (9), 3508-3513.


LiNi1/3Co1/3Mn1/3O2 layer-structured compound was synthesized by the rheological phase reaction method. The structure and morphology of samples were characterized by x-ray diffraction and scanning electron microscopy. The particle size was distributed from 100 nm to 400 nm, depending on the synthesis temperature. The electrochemical properties of the samples were examined using a battery testing system. The results showed that the discharge specific capacities of the samples were strongly impacted by the synthesis temperature. The LiNi1/3Co1/3Mn1/3O2 synthesized at 850°C had a high initial discharge specific capacity (about 181 mA h/g at 0.1 C) and better electrochemical cycling performance compared to the other samples. (After 50 cycles, the discharge capacity was maintained at 170 mA h/g.) The reasons why the sample synthesized at 850°C showed outstanding electrochemical properties are also discussed.

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