A novel method for the modification of LiNi0.8Co0.15Al0.05O2 with high cycle stability and low pH

  • Chunhui Cao
  • Jian ZhangEmail author
  • Xiaohua Xie
  • Baojia Xia
Original Paper


Ni-rich cathode materials have high specific capacity and low cost, but they also have several drawbacks, such as high pH and poor cycle stability. In this paper, a simple dry-coat method using MnCO3 was adopted to improve the performance of LiNi0.8Co0.15Al0.05O2 (NCA), which is the first report of its kind. The modified NCA showed a capacity of 193 mAh g− 1 and capacity retention of 98.9% at 1 °C rate after 100 cycles, compared to the corresponding values (195 mAh g− 1 and 94.0%) for the pristine NCA. The pH was reduced from 12.19 to 11.69. Moreover, the storage performance in air and thermal stability in the delithiated state were also improved.


MnCO3 LiNi0.8Co0.15Al0.05O2 Dry-coat Cycle stability pH 


Funding information

This work was financially supported by the National Key R&D program of China (2016YFB0100500).


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Copyright information

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

Authors and Affiliations

  • Chunhui Cao
    • 1
    • 2
  • Jian Zhang
    • 1
    Email author
  • Xiaohua Xie
    • 1
  • Baojia Xia
    • 1
  1. 1.Research Center for New Energy TechnologyShanghai Institute of Microsystem and Information TechnologyShanghaiChina
  2. 2.University of Chinese Academy of SciencesBeijingChina

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