Enhanced electrochemical performance of Fe-doping Li4Ti5O12 anode material for energy storage device

  • Jing-Rui Kang
  • Gui-Xia DongEmail author
  • Zong-Feng Li
  • Lei Li
Original Paper


In this study, we report a higher electrochemical performances of Li4Ti5O12 (LTO) anode material via solid method, then adding different contents of Fe2O3 into LTO (FxLTO, x = 0.1, 0.2, 0.3, 0.4) secondary calcined. The study shows that pure LTO holds the highest electrochemical performances at 750 °C. Additionally, F0.2LTO demonstrates an outstanding discharge capacity of 251.9 mAh g−1 at 20 mA g−1 for lithium ion batteries; even cycled at 100 mA g−1 for 100 times, a capacity of 192.1 mAh g−1 retains. Particularly, the specific capacitance of Fe0.2LTO, with higher surface area of 28.4937 m2 g−1 and pore volume of 0.4187 ml g−1, reaches 65.17, 46.56, 26.71, 19.32 F g−1 at 50, 100, 500, 1000 mA g−1 for hybrid capacitors, respectively. Even cycled at 50 mA g−1 for 500 times, a capacitance of 20.18 F g−1 retains. Obviously, Fe0.2LTO demonstrates the remarkable electrochemical performances than LTO for lithium ion batteries and hybrid capacitors. Therefore, Fe-doping LTO has enhanced electrochemical performance as anode material for energy storage device.


Li4Ti5O12 Fe-doping Li4Ti5O12 Specific surface area Electrochemical performance 



This work was supported by National International Technology Cooperation Plan (Grant no. 2014DFR50570).

Compliance with ethical standards

Conflict of interest

On behalf of all the authors, the corresponding author states that there is no conflict of interest.


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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2019

Authors and Affiliations

  • Jing-Rui Kang
    • 1
    • 2
    • 3
  • Gui-Xia Dong
    • 1
    • 2
    • 3
    Email author
  • Zong-Feng Li
    • 1
    • 2
    • 3
  • Lei Li
    • 1
    • 2
    • 3
  1. 1.College of Materials Science and EngineeringNorth China University of Science and TechnologyTangshanChina
  2. 2.Hebei Provincial Key Laboratory of Inorganic Nonmetallic MaterialsNorth China University of Science and TechnologyTangshanChina
  3. 3.Laboratory of Environment Functional Materials of Tangshan CityNorth China University of Science and TechnologyTangshanChina

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