, Volume 25, Issue 3, pp 1035–1043 | Cite as

Fluoroethylene carbonate as an electrolyte additive for improving interfacial stability of high-voltage LiNi0.6Co0.2Mn0.2O2 cathode

  • Lili Liu
  • Shili Wang
  • Ziyan Zhang
  • Juntian Fan
  • Wen Qi
  • Shimou ChenEmail author
Original Paper


In this work, fluoroethylene carbonate (FEC) is used as an additive to improve the interface stability between LiNi0.6Co0.2Mn0.2O2 (NCM622) electrode and electrolyte under high voltage (4.6 V vs Li/Li+). The improved cycle stability and electrochemical impedance spectroscopy (EIS) studies imply the formation of robust, uniform and less-resistive film on the surface of NCM622. The results from TEM, SEM and XPS demonstrate that FEC facilitates the formation of CEI layer, and the FEC-derived CEI protects against not only the decomposition of the electrolyte solvent but also oxidation of the NCM622 electrode.


Lithium-ion batteries Electrolyte additives High voltage Fluoroethylene carbonate 


Funding information

This work was financially supported by the National Natural Science Foundation of China (No. 21503006 and 91534109), National Key Projects for Fundamental Research and Development of China (No. 2017YFB0102200), Beijing Municipal Science and Technology Project (D171100005617001), Beijing Natural Science Foundation (No. 2184134), and Henan province science and technology cooperation project (172106000061).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Lili Liu
    • 1
  • Shili Wang
    • 1
  • Ziyan Zhang
    • 1
  • Juntian Fan
    • 2
  • Wen Qi
    • 3
  • Shimou Chen
    • 2
    Email author
  1. 1.School of Sciences/ Key Laboratory of Cosmetic,China National Light IndustryBeijing Technology and Business UniversityBeijingChina
  2. 2.Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, Institute of Process EngineeringChinese Academy of SciencesBeijingPeople’s Republic of China
  3. 3.Materials CenterBeijing Institute of Collaborative InnovationBeijingChina

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