Preparation of conductive carbon-ceramic composites from coal tar pitch and ceramic monoliths

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Title: Preparation of conductive carbon-ceramic composites from coal tar pitch and ceramic monoliths
Authors: Alcañiz-Monge, Juan | Cazorla-Amorós, Diego | Linares-Solano, Angel | Morallon, Emilia | Vázquez Picó, José Luis
Research Group/s: Electrocatálisis y Electroquímica de Polímeros
Center, Department or Service: Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Departamento de Química Física
Keywords: Carbon composites | Pitch | Heat treatment | SEM | TGA | Electrical properties
Knowledge Area: Química Física
Date Created: 28-Nov-1997
Issue Date: 1998
Publisher: Elsevier
Citation: ALCAÑIZ MONGE, Juan, et al. "Preparation of conductive carbon-ceramic composites from coal tar pitch and ceramic monoliths". Carbon. Vol. 36, Issues 7-8 (1998). ISSN 0008-6223, pp. 1003-1009
Abstract: Conductive carbon-ceramic composites have been prepared from coal tar pitch and a ceramic already molded as a monolith having a honeycomb structure. The material has been obtained by subjecting both components to a heat treatment in N2 to a maximum temperature of either 1073 K or 1273 K. The starting ceramic and the composites have been characterized by scanning electron microscopy, EDX, thermogravimetry and X-ray diffraction. Conductivity measurements and electrochemical behavior have been also carried out. The results obtained reveal that the highest conductivities are obtained in those samples heated to the maximum temperature studied. Stability towards oxygen increases with treatment temperature, reaching the samples treated to 1273 K for 2 hours, a gasification temperature similar to the graphite material studied. Additionally, the composites exhibit a high electrochemical stability that makes these materials very promising to be used as electrodes and/or as electrocatalysts support.
Sponsor: OCICARBON (Project No. C23-353); DGICYT (Project No. PB93-09345).
ISSN: 0008-6223
DOI: 10.1016/S0008-6223(97)00233-9
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
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