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Comparison of the basic physical and chemical properties of complex oxides LiNixMnyCo1–x–yO2 (0.3 ≤ x ≤ 0.6; 0.2 ≤ y ≤ 0.4) obtained by different methods

Authors
  • Voronov, V. A.1, 2
  • Shvetsov, A. O.1
  • Gubin, S. P.1, 2
  • Cheglakov, A. V.1
  • Kornilov, D. Yu.1
  • Karaseva, A. S.1
  • Krasnova, E. S.1
  • Tkachev, S. V.1
  • 1 LLC AkKo Lab, Moscow, 129110, Russia , Moscow (Russia)
  • 2 Russian Academy of Sciences, Kurnakov Institute of General and Inorganic Chemistry, Moscow, 119991, Russia , Moscow (Russia)
Type
Published Article
Journal
Inorganic Materials: Applied Research
Publisher
Pleiades Publishing
Publication Date
Mar 01, 2017
Volume
8
Issue
2
Pages
229–237
Identifiers
DOI: 10.1134/S2075113317020228
Source
Springer Nature
Keywords
License
Yellow

Abstract

Cathode materials in the form of complex metal oxides LiNixMnyCo1–x–yO2 (0.3 ≤ x ≤ 0.6; 0.2 ≤ y ≤ 0.4) obtained by different methods, such as a solid state method and a method of thermal destruction of organometallic compounds in oil, are studied. The results of the elemental analysis, TGA/DSC, XRD, SEM, TEM, and electrochemical tests are presented. It is found that complex metal oxides obtained by the method of thermal destruction of organometallic compounds in oil are composed of primary nanocrystallites (up to 100 nm) coated by a nanoscale carbon layer that can significantly improve the electrochemical characteristics of the basic lithium-ion battery based thereon.

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