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Characterization of a carbon felt electrode: structural and physical properties

Content Provider	Royal Society of Chemistry (RSC)
Author	Bonete, P. Expósito, E. Torregrosa-Maciá, R. Aldaz, A. Montiel, V. González-García, J.
Copyright Year	1999
Abstract	The aim of this paper is the characterization of a carbon felt (Le Carbone Lorraine, RVC 4002) to be used as three-dimensional electrode. A wide range of very different techniques were used in the physical and structural characterization of this material. Both structural (porosity, mean pore radius, specific surface area, tortuosity) and physical properties (permeability, electrical resistance) were determined by using mercury porosimetry, adsorption isotherm analysis, a filamentary analog procedure and liquid permeametry (pressure drop method). The results obtained from the modelling of the hydrodynamic behaviour, from previous work, were also applied here. The carbon felt studied was found to have a porosity around 0.98, a specific surface area of 22100-22700 m –1 , 2.7×10 –3 Ω m electrical resistivity and a tortuosity between 5 and 6. The comparison of these results with those found in the literature for other similar materials, used as three-dimensional electrodes, highlights the attractions of this carbon felt as a three-dimensional electrode.
Starting Page	419
Ending Page	426
Page Count	8
File Format	PDF
ISSN	09599428
Volume Number	9
Issue Number	2
Journal	Journal of Materials Chemistry
DOI	10.1039/a805823g
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Le Carbone Lorraine Carbon Lorraine Electrode Porosity Specific surface area Tortuosity Permeation Electrical resistance and conductance Mercury-vapor lamp Porosimetry Adsorption Electrical resistivity and conductivity
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry

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Characterization of a carbon felt electrode: structural and physical properties

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