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Journal of Materials Science

, Volume 42, Issue 18, pp 7696–7701 | Cite as

Synthesis and electrochemical characterization of LiCo1/3Ni1/3Mn1/3O2 by radiated polymer gel method

  • J. W. Wen
  • H. J. Liu
  • H. Wu
  • C. H. Chen
Article

Abstract

Layered LiCo1/3Ni1/3Mn1/3O2 as a lithium insertion positive-electrode material was prepared by a radiated polymer gel method. The synthesis conditions and microstructure, morphology and electrochemical properties of the products were investigated by XRD, SEM and electrochemical cell cycling. It was found that the positive-electrode material annealed at 950 °C showed the best electrochemical property with the first specific discharge capacity of 178 mAh/g at C/6 and stable cycling ability between 2.8 and 4.5 V versus Li/Li+. The optimized LiCo1/3Ni1/3Mn1/3O2 exhibited rather good rate capability with the specific capacity of 173 mAh/g at 0.2C and 116 mAh/g at 4C under a fast charge and discharge mode in rate performance test.

Keywords

Acrylic Acid Discharge Capacity Coulombic Efficiency Initial Discharge Capacity Ni2O3 

Notes

Acknowledgements

This study was supported by National Science Foundation of China (Grant Nos. 50372064 and 20471057). We are also grateful to the China Education Ministry (SRFDP No. 2003035057). The USTC radiation chemistry laboratory has provided the assistance for the experiments of γ-ray radiation.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Laboratory for Advanced Functional Materials and Devices, Department of Materials Science and EngineeringUniversity of Science and Technology of ChinaAnhui HefeiP.R. China

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