Porous carbon materials based on exfoliated graphite |
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Authors: | I. M. Afanasov O. N. Shornikova I. I. Vlasov E. V. Kogan A. N. Seleznev V. V. Avdeev |
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Affiliation: | (1) Moscow State University, Moscow, 119899, Russia;(2) Prokhorov General Physics Institute, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119333, Russia |
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Abstract: | We have prepared low-density composites of exfoliated graphite and coke. The distribution of the coke particles in the composites and their structural perfection have been studied by scanning electron microscopy and Raman spectroscopy. The specific surface area of the materials have been determined as a function of burnoff value using low-temperature nitrogen adsorption measurements. The results demonstrate that the highest specific surface (400 m2/g) is offered by the composite with a burnoff value of 35%, which contains micropores of 1.4-nm radius. |
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