Complex metal oxides with the composition LiNi0.33Mn0.33Co0.33O2 prepared by various methods: sol–gel method, solid-phase method, and thermal destruction of metal-containing compounds in oil were studied. The results of elemental analysis, TGA/DSC, powder X-ray diffraction, SEM, TEM, as well as the results of electrochemical testing of the cathodes based on the obtained materials are presented. The complex metal oxides LiNi0.33Mn0.33Co0.33O2 prepared by sol–gel processes and thermal destruction of metal-containing compounds in oil consist of primary nanosized crystallites with an average size of 90 nm covered by a nanometer carbon layer, which improves the electrochemical characteristics of lithium ion batteries.
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Original Russian Text © V.A. Voronov, A.O. Shvetsov, S.P. Gubin, A.V. Cheglakov, D.Yu. Kornilov, A.S. Karaseva, E.S. Krasnova, S.V. Tkachev, 2016, published in Zhurnal Neorganicheskoi Khimii, 2016, Vol. 61, No. 9, pp. 1211–1217.
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Voronov, V.A., Shvetsov, A.O., Gubin, S.P. et al. Effect of the preparation method of the cathode material LiNi0.33Mn0.33Co0.33O2 on the electrochemical characteristics of a lithium ion cell. Russ. J. Inorg. Chem. 61, 1153–1159 (2016). https://doi.org/10.1134/S0036023616090217