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Título

Synthesis of nanoporous carbons from mixtures of coal tar pitch and furfural and their application as electrode materials

Autor Petrov, N.; Budinova, T.; Tsyntsarski, B.; Petrova, B.; Ovín Ania, María Concepción ; Parra Soto, José Bernardo ; Mladenov, M.; Tzvetkov, P.
Palabras clave Nanoporous carbon
Coal tar pitch
Furfural
Supercapacitor
Fecha de publicación nov-2011
EditorElsevier
Citación Fuel Processing Technology 91(11): 1710-1716 (2011)
ResumenSynthetic nanoporous carbons are prepared by polymerization of mixtures containing coal tar pitch and furfural in different proportions, followed by carbonization of obtained solid product and steam activation of the carbonizate. The chemical composition of the initial mixture significantly affects the physicochemical properties (surface area, pore structure, electro resistance and amount of oxygen-containing groups on the surface) of the obtained materials. The incorporation of oxygen in the precursor mixture by means of furfural, has a strong influence in the synthetic step; increasing the furfural content facilitates the formation of a solid product characterized by a large oxygen content. Moreover, the solid product is more reactive towards activation as the furfural content increases, giving rise to nanoporous carbons with large surface areas and unique chemical features (high density of oxygen functionalities of basic nature). These nanoporous carbons have been investigated as electrodes in electrochemical applications.
Versión del editorhttp://dx.doi.org/10.1016/j.fuproc.2010.07.008
URI http://hdl.handle.net/10261/99294
DOI10.1016/j.fuproc.2010.07.008
ISSN0378-3820
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