Freeze drying synthesis of LiNi 0.4 Mn 0.4 Co 0.2 O 2 cathode materials for lithium-ion batteries
Abstract
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 ◦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 ◦C. It was established that LiNi 0.4 Mn 0.4 Co 0.2 O 2 powders obtained from nitrate precursor at 900 ◦C possess the highest degree of crystallinity and cation ordering
About the Authors
K. A. Kurilenko
M. V. Lomonosov Moscow State University
Russian Federation
Russian Federation
Department of Materials Science
Moscow
O. A. Brylev
M. V. Lomonosov Moscow State University
Russian Federation
Russian Federation
Chemistry Department
Moscow
T. V. Filippova
M. V. Lomonosov Moscow State University
Russian Federation
Russian Federation
Department of Materials Science
Moscow
A. E. Baranchikov
N. S. Kurnakov Institute of General and Inorganic Chemistry RAN
Russian Federation
Russian Federation
Moscow
O. A. Shlyakhtin
M. V. Lomonosov Moscow State University
Russian Federation
Russian Federation
Department of Materials Science
Moscow
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Review
For citations:
Kurilenko K.A., Brylev O.A., Filippova T.V., Baranchikov A.E., Shlyakhtin O.A. Freeze drying synthesis of LiNi 0.4 Mn 0.4 Co 0.2 O 2 cathode materials for lithium-ion batteries. Nanosystems: Physics, Chemistry, Mathematics. 2013;4(1):105-112. (In Russ.)
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