Freeze drying synthesis of LiNi$_{0.4}$Mn$_{0.4}$Co$_{0.2}$O$_{2}$ cathode materialsfor lithium-ion batteries

K. A. Kurilenko; O. A. Brylev; T. V. Filippova; A. Y. Baranchikov; O. A. Shlyakhtin

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Freeze drying synthesis of LiNi$_{0.4}$Mn$_{0.4}$Co$_{0.2}$O$_{2}$ cathode materialsfor lithium-ion batteries

K. A. Kurilenko ; O. A. Brylev ; T. V. Filippova ; A. Y. Baranchikov ; O. A. Shlyakhtin

Nanosistemy: fizika, himiâ, matematika, Tome 4 (2013) no. 1, pp. 105-112.

Voir la notice de l'article provenant de la source Math-Net.Ru

Résumé

For the first time, ultradispersed cathode materials LiNi$_{0.4}$Mn$_{0.4}$Co$_{0.2}$O$_{2}$ were obtained from freeze dried precursors with different anionic composition. The thermal decomposition of freeze drying precursors was carried out at 800–950$^\circ$C. By using XRD and SEM techniques, it was shown that particle size, crystallinity and cation ordering of Ni$^{2+}$ and Li$^+$ions enhance with increasing thermal treatment temperature up to 900$^\circ$C. It was established that LiNi$_{0.4}$Mn$_{0.4}$Co$_{0.2}$O$_{2}$ powders obtained from nitrate precursor at 900$^\circ$C possess the highest degree of crystallinity and cation ordering.

Keywords: ultradispersed powders, freeze drying, cathode materials, lithium-ion battery.

@article{NANO_2013_4_1_a11,
     author = {K. A. Kurilenko and O. A. Brylev and T. V. Filippova and A. Y. Baranchikov and O. A. Shlyakhtin},
     title = {Freeze drying synthesis of {LiNi}$_{0.4}${Mn}$_{0.4}${Co}$_{0.2}${O}$_{2}$ cathode materialsfor lithium-ion batteries},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {105--112},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/NANO_2013_4_1_a11/}
}

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K. A. Kurilenko; O. A. Brylev; T. V. Filippova; A. Y. Baranchikov; O. A. Shlyakhtin. Freeze drying synthesis of LiNi$_{0.4}$Mn$_{0.4}$Co$_{0.2}$O$_{2}$ cathode materialsfor lithium-ion batteries. Nanosistemy: fizika, himiâ, matematika, Tome 4 (2013) no. 1, pp. 105-112. http://geodesic.mathdoc.fr/item/NANO_2013_4_1_a11/