, Volume 25, Issue 1, pp 99–109 | Cite as

Synthesis and characterization of high-performance RGO-modified LiNi0.5Mn1.5O4 nanorods as a high power density cathode material for Li-ion batteries

  • Qiang Chen
  • Haiping LiuEmail author
  • Jingmin Hao
  • Sifu Bi
  • Chao Gao
  • Lu Chen
Original Paper


Micronanosized LiNi0.5Mn1.5O4 nanorods coated with reduced graphene oxide is successfully synthesized by a hydrothermal-assembly method. The as-prepared samples are characterized by X-ray diffraction, Raman spectroscopy, field emission scanning electron microscope, and electrochemical tests. The XRD and Raman results show that the LiNi0.5Mn1.5O4 nanorods have disordered structure of Fd-3m space group. The SEM characterization exhibits that LiNi0.5Mn1.5O4 nanorods are about 200–400 nm in diameter, and the RGO is well dispersed on the surface of LiNi0.5Mn1.5O4 nanorods. Moreover, a RGO layer coated on the surface of LiNi0.5Mn1.5O4 can suppress the interfacial side reactions. The electrochemical tests show that the RGO-LNMO composites reveal high specific capacity and excellent cyclic stability at high rates. The 1%-RGO-LNMO composite can still possess the capacity of 71.4 mAh g−1 and excellent capacity retention about 99% after 1000 cycles at 10 C rate. The excellent performance of RGO-LNMO composites makes it a promising candidate as lithium-ion battery cathode materials.


LiNi0.5Mn1.5O4 Nanorods Cathode material RGO Composites 



This research is supported by the Natural Science Foundation of Shandong Province (ZR2018MEM017) and the Science and Technology Program of Weihai (2015DXGJMS017). The authors also greatly appreciate HIT & Yun Shan Group Research and Development on Graphite Area.


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Copyright information

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

Authors and Affiliations

  • Qiang Chen
    • 1
  • Haiping Liu
    • 1
    Email author
  • Jingmin Hao
    • 1
  • Sifu Bi
    • 2
  • Chao Gao
    • 1
  • Lu Chen
    • 1
  1. 1.School of Marine Science and TechnologyHarbin Institute of TechnologyWeihaiChina
  2. 2.School of Materials Science and EngineeringHarbin Institute of TechnologyWeihaiChina

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