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Topics in Catalysis

, Volume 61, Issue 15–17, pp 1716–1720 | Cite as

Single-Shell Carbon Nanotubes Covered with Iron Nanoparticles for Ion-Lithium Batteries: Thermodynamic Stability and Charge Transfer

  • Vladislav V. Shunaev
  • Michael M. Slepchenkov
  • Olga E. Glukhova
Original Paper
  • 45 Downloads

Abstract

The mathematical model which describes interaction between maghemite particles and CNTs was built on the base of experimental data. It was revealed by the combination of SCC DFTB and NEGF methods that addition of γ-Fe2O3 to sidewalls of semi-conductive CNT leads to sharp decrease in the resistance from 4 MΩ to 13.9 kΩ. It was also found that the growth of the maghemite’s mass ratio in composite γ-Fe2O3/CNT increases the charge transfer between objects. Amount of this charge transfer depends only on the contact area between CNTs and maghemite particles and doesn’t depend on a diameter of maghemite particles. The developed mathematical model can be an effective tool for modification of γ-Fe2O3/CNT synthesis technology with the goal to improve the charge capacity of lithium-ion batteries.

Keywords

Maghemite nanoparticles Composite material Charge transfer Heat of formation Resistance Mathematical modeling 

Notes

Acknowledgements

The authors gratefully acknowledge funding of this work by Presidential scholarship 2016–2018 (Project No. SP-3135.2016.1).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Saratov State UniversitySaratovRussia

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