Startseite Structural evolution and formation mechanism of LiNi0.6Co0.2Mn0.2O2 during high-temperature solid-state synthesis
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Structural evolution and formation mechanism of LiNi0.6Co0.2Mn0.2O2 during high-temperature solid-state synthesis

  • Shiyi Deng , Zehua Lin , Yunjiao Li , Longlong Xue , Huacheng Li , Yongxiang Chen , Tongxing Lei , Jie Zhu , Jianguo Li und Jinping Zhang
Veröffentlicht/Copyright: 30. Oktober 2018
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 109 Heft 11

Abstract

LiNi0.6Co0.2Mn0.2O2, an α-NaFeO2 type layered lithium transition metal oxide, is deemed as one of the most promising cathode materials for lithium-ion batteries. To ascertain the structural evolution and formation mechanism of this compound during high-temperature solid-state synthesis, thermal and structural analysis methods were performed, confirmed with the characterization of morphology and lithium residue. LiOH, used as the lithium source, showed both a lower initial temperature and a lower degree of lithium intercalation compared to Li2CO3 when reacting with the precursor. A higher temperature for Li2CO3 and a longer reaction time for LiOH during sintering would be beneficial to the material synthesis. Furthermore, a pre-heat treatment process in the temperature range of 400–600°C is beneficial for the lithium intercalation reaction.

Keywords: Lithium metal oxides; Structural evolution; Formation mechanism; Thermal analysis; Cathode material
*Correspondence address, Prof. Yunjiao Li, School of Metallurgy and Environment, Central South University, No. 932 South Lushan Road, Changsha 410083, P.R. China, Tel.: +8673188830872, Fax: +8673188710171, E-mail: , Web: http://faculty.csu.edu.cn/liyunjiao/zh_CN/index.htm

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Received: 2018-03-15
Accepted: 2018-06-28
Published Online: 2018-10-30
Published in Print: 2018-11-12

© 2018, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. An artificial intelligence paradigm in heuristic search of tensile behaviour of titanium alloys
  5. The effect of the cooling rate on the course of oxidation of gamma titanium aluminide alloy
  6. Physical and electrochemical characteristics of low pressure cold sprayed aluminium composite coating on magnesium substrate
  7. The effect of Al2O3 reinforcement particles on the corrosion behavior of Al(Zn) solid solution matrix
  8. Effect of Zr content on the existence form of Zr and as-cast structure of high purity commercial aluminium
  9. Ethylenediamine-assisted synthesis of barium bismuthate microrods and solar light photocatalytic performance
  10. Structural evolution and formation mechanism of LiNi0.6Co0.2Mn0.2O2 during high-temperature solid-state synthesis
  11. Review
  12. Wear behaviour of Mg alloys and their composites – a review
  13. Short Communications
  14. Low-temperature sintering of 0.96(K0.5Na0.5)NbO3-0.04LiNbO3 lead-free piezoelectric ceramics modified with CuO
  15. DGM News
  16. DGM News
https://doi.org/10.3139/146.111701
Schlagwörter für diesen Artikel
Lithium metal oxides; Structural evolution; Formation mechanism; Thermal analysis; Cathode material

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. An artificial intelligence paradigm in heuristic search of tensile behaviour of titanium alloys
  5. The effect of the cooling rate on the course of oxidation of gamma titanium aluminide alloy
  6. Physical and electrochemical characteristics of low pressure cold sprayed aluminium composite coating on magnesium substrate
  7. The effect of Al2O3 reinforcement particles on the corrosion behavior of Al(Zn) solid solution matrix
  8. Effect of Zr content on the existence form of Zr and as-cast structure of high purity commercial aluminium
  9. Ethylenediamine-assisted synthesis of barium bismuthate microrods and solar light photocatalytic performance
  10. Structural evolution and formation mechanism of LiNi0.6Co0.2Mn0.2O2 during high-temperature solid-state synthesis
  11. Review
  12. Wear behaviour of Mg alloys and their composites – a review
  13. Short Communications
  14. Low-temperature sintering of 0.96(K0.5Na0.5)NbO3-0.04LiNbO3 lead-free piezoelectric ceramics modified with CuO
  15. DGM News
  16. DGM News
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