Journal of Solid State Electrochemistry

, Volume 11, Issue 9, pp 1239–1243 | Cite as

An electrochemical investigation on (MoO3+PVP+PVA) nanobelts for lithium batteries

  • Ch. V. Subba Reddy
  • Y. Y. Qi
  • W. Jin
  • Q. Y. Zhu
  • Z. R. Deng
  • W. ChenEmail author
  • Sun-il Mho
Original Paper


Molybdenum trioxide (MoO3) xerogel films modified with poly(vinyl alcohol)+poly(vinyl pyrrolidone) (PVP+PVA) polyblends were obtained by ion-exchange method with sol-gel technique. Investigations were conducted using X-ray “diffractometry”, Fourier transform infrared spectroscopy, and cyclic voltammetry. The results show that the H atoms in polyblend are H-bonded with the O atoms in the Mo=O bonds of MoO3 xerogel, which effectively shield the electrostatic interaction between MoO3 interlayer and Li+ ions when MoO3 xerogel is modified by the intercalation of (PVP+PVA). The reversibility of the insertion/extraction of Li+ ions is greatly improved by the modification with polyblend of MoO3 nanocomposite films. MoO3 and (PVP+PVA) x MoO3 (x = 0, 0.5) nanobelts were obtained by a simple hydrothermal process from MoO3 sol. The electrochemical cells with configuration Li/(LiPF6+EC+DMC)/MoO3 modified by (PVP+PVA) were fabricated and their discharge profiles studied.


Polymer MoO3 nanobelts XRD FTIR Lithium battery 



One of the authors (Ch. V. S. Reddy) thanks Wuhan University of Technology for his Post Doctoral Fellowship award, and he also thanks Ajou University for his Post Doctoral Fellowship award from the BK 21 project. Authors thank Dr. Rajamohan R Kalluru, Mississippi Ethanol LLC, USA for fruitful discussions.


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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Ch. V. Subba Reddy
    • 1
    • 2
  • Y. Y. Qi
    • 1
  • W. Jin
    • 1
  • Q. Y. Zhu
    • 1
  • Z. R. Deng
    • 1
  • W. Chen
    • 1
    Email author
  • Sun-il Mho
    • 2
  1. 1.Institute of Materials Science and EngineeringWuhan University of TechnologyWuhanChina
  2. 2.Division of Energy Systems ResearchAjou UniversitySuwonSouth Korea

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