Journal of Applied Electrochemistry

, Volume 41, Issue 5, pp 551–559 | Cite as

Surface modification effects of [Li,La]TiO3 on the electrochemical performance of Li[Ni0.35Co0.3Mn0.35]O2 cathode material for lithium–ion batteries

  • Kwang Hee Jung
  • Ho-Gi Kim
  • Kwang Man Kim
  • Yong Joon Park
Original Paper


Surface modification of Li[Ni0.35Co0.3Mn0.35]O2 as a cathode material of lithium–ion batteries was carried out by hydrothermal treatment using lithium lanthanum titanate ([Li,La]TiO3). The modified surfaces were analyzed by morphology observation using transmission electron microscopy and by element investigation using X-ray photoelectron spectroscopy. It was thereupon found that the [Li,La]TiO3-coated layer formed by the surface modification played a definitive role in suppressing the solid electrolyte interface during repeated charge and discharge cycles. In addition, the thermal stability was enhanced by coated layer, resulting in an increase of the onset temperature to occur an exothermic reaction during thermal runaway.


Surface coating Lithium lanthanum titanate Cathode Lithium–ion batteries 



This research was supported by the Converging Research Center Program through the Ministry of Education, Science and Technology (2010K001089).


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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Kwang Hee Jung
    • 1
  • Ho-Gi Kim
    • 1
  • Kwang Man Kim
    • 2
  • Yong Joon Park
    • 3
  1. 1.Department of Materials Science and EngineeringKorea Advanced Institute of Science and TechnologyDaejeonSouth Korea
  2. 2.Power Control Device Research TeamElectronics and Telecommunications Research Institute (ETRI)DaejonSouth Korea
  3. 3.Department of Advanced Materials EngineeringKyonggi UniversityGyeonggi-doSouth Korea

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