, Volume 25, Issue 12, pp 5681–5688 | Cite as

Adorned Li-rich Li1.2Ni0.13Co0.13Mn0.54O2 with LiAlO2 for improved electrochemical properties in lithium-ion batteries

  • Li-Zhen WangEmail author
  • Wei Yang
  • Teng-Fei Lv
  • Ke-Zheng Gao
  • Ji YanEmail author
Original Paper


In this paper, core-shell like LiAlO2-coated Li1.2Ni0.13Co0.13Mn0.54O2 composite was synthesized by an improved solvothermal method. The surface of the material becomes rough after LiAlO2 coating with a thickness of 5–10 nm. Meanwhile, the surface-coating component with the layer structure α-LiAlO2 can change the dispersion of transition metal elements. When tested in 2.0–4.8 V at 0.05 °C, the initial discharge capacity of the LiAlO2-coated sample is 206.4 mAh g−1 with the columbic efficiency of 78.0%, which is higher than that of the pristine Li-rich Li1.2Ni0.13Co0.13Mn0.54O2 sample. Further tested under 1 C rate, the coated sample possesses 151.4 mAh g−1 of specific capacity and maintains 149.0 mAh g−1 after 50 cycles with the capacity retention of 98.4%. The improved reversible capacity, rate capability, and cycling durability of the Li1.2Ni0.13Co0.13Mn0.54O2 material are attributed to the synergistic effect of surface coating of highly Li-conductive LiAlO2 and the fuzzy interface between LiAlO2 and Li1.2Ni0.13Co0.13Mn0.54O2.


Lithium-ion battery LiAlO2 coating Li-rich cathode material Solvothermal reaction 


Funding information

This study was financially supported by the National Natural Science Foundation of China (NSFC No. 21471135), the Key R&D and Promotion Projects in Henan Province (No. 2019410104000024), and the Doctoral Research Foundation of Zhengzhou University of Light Industry (No. 2017BSJJ043).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Material and Chemical EngineeringZhengzhou University of Light IndustryZhengzhouPeople’s Republic of China
  2. 2.Henan Provincial Key Laboratory of Surface Interface ScienceZhengzhou University of Light IndustryZhengzhouPeople’s Republic of China

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