Theoretical model and experimental study of pore growth during thermal expansion of graphite intercalation compounds

R. D. Mysyk, G. E. Whyman, M. V. Savoskin, A. P. Yaroshenko

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

A new technique, which allows one to simultaneously follow the mass and volume of graphite intercalation compounds (GICs) during thermal transformation into expanded graphite, was developed. This enabled us to elucidate the mechanism for the thermal expansion of GICs and formulate a quantitative model for the process. Effective activation parameters of the thermal decomposition of new GICs were obtained by using non-isothermal kinetics procedure. Thermal decomposition was described as a break of intermolecular bonds followed by diffusion.

Original languageEnglish
Pages (from-to)515-519
Number of pages5
JournalJournal of Thermal Analysis and Calorimetry
Volume79
Issue number3
DOIs
StatePublished - Feb 2005
Externally publishedYes

Keywords

  • Compounds
  • Graphite intercalation
  • Micro-pores
  • Thermal decomposition
  • Thermal expansion

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