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Journal of Materials Science

, Volume 49, Issue 22, pp 7688–7696 | Cite as

Characterization of porous graphitic monoliths from pyrolyzed wood

  • A. Gutiérrez-Pardo
  • J. Ramírez-Rico
  • A. R. de Arellano-López
  • J. Martínez-Fernández
Article

Abstract

Porous graphitic carbons were obtained from wood precursors using Ni as a graphitization catalyst during pyrolysis. The structure of the resulting material retains that of the original wood precursors with highly aligned, hierarchical porosity. Thermal characterization was performed by means of thermogravimetry and differential scanning calorimetry, and the onset temperature for graphitization was determined to be ~900 °C. Structural and microstructural characterization was performed by means of electron microscopy, electron and x-ray diffraction, and Raman spectroscopy. The effect of maximum pyrolysis temperature on the degree of graphitization was assessed. No significant temperature effect was detected by means of Raman scattering in the range of 1000–1400 °C, but at temperatures over the melting point of the catalyst, the formation of graphite grains with long-range order was detected.

Keywords

Pyrolysis Pyrolysis Temperature Electrochemical Energy Storage Lower Pyrolysis Temperature Carbon Monolith 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

This work was supported by the Junta de Andalucía under grant No. P09-TEP-5152. Electron microscopy and x-ray diffraction measurements were performed at the CITIUS central services of the University of Seville. Raman scattering measurements were performed at the ICMS. A. Gutiérrez-Pardo is grateful to the Junta de Andalucía for a predoctoral grant.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • A. Gutiérrez-Pardo
    • 1
  • J. Ramírez-Rico
    • 1
  • A. R. de Arellano-López
    • 1
  • J. Martínez-Fernández
    • 1
  1. 1.Departamento Física de la Materia Condensada – ICMSUniversidad de Sevilla-CSICSevillaSpain

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