, Volume 23, Issue 11, pp 2993–2999 | Cite as

Effects of different precipitants on LiNi0.5Mn1.5O4 for lithium ion batteries prepared by modified co-precipitation method

  • Xiaoling Cui
  • Hongliang Li
  • Shiyou Li
  • Shan Geng
  • Jiachen Zhao
Original Paper


Effects of two different precipitants of Na2CO3 and Na2C2O4 on LiNi0.5Mn1.5O4 (LNMO) cathode materials, which are prepared by a modified co-precipitation method, have been investigated. Various measurements have been applied to characterize the physical and electrochemical performances of LNMO. Compared with the LNMO prepared by the oxalate co-precipitation (LNMO2), the material synthesized by the carbonate co-precipitation (LNMO1) not only shows more uniform porosity and smaller particles but also has a better rate capability and cycling performance. In addition, the sample prepared by carbonate has a stable spherical structure, due to the fact that carbonate co-precipitation with less gas release during calcination can prevent the destruction of the as-prepared LNMO material structure and promote the formation of regular particle and aperture. Based on the electrochemical test results, LNMO1 shows greatly enhanced electrochemical performance of a high initial discharge capacity of 125.6 mAh g−1 at 0.25 °C, as well as a preferably capacity retention of 96.5% after 100 cycles at 0.5 °C. And even at a high rate of 10 °C, the discharge capacity of LNMO1-based cell still approaches 83.1 mAh g−1.


Lithium ion battery LiNi0.5Mn1.5O4 Cathode Carbonate Oxalate 



This work is supported by the Natural Science Foundation of China (Nos. 21566021 and 21406100) and the Foundation for Innovation Groups of Basic Research in Gansu Province (No. 1606RJIA322).


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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Xiaoling Cui
    • 1
  • Hongliang Li
    • 1
  • Shiyou Li
    • 1
  • Shan Geng
    • 1
  • Jiachen Zhao
    • 1
  1. 1.College of Petrochemical TechnologyLanzhou University of TechnologyLanzhouChina

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