Please use this identifier to cite or link to this item:
http://hdl.handle.net/10662/21998
Title: | Influence of chemical composition, porosity and fractal dimension on the electrical conductivity of carbon blacks |
Authors: | Macías García, Antonio Díaz Díez, María Ángeles Alfaro Domínguez, Manuel Carrasco Amador, Juan Pablo |
Keywords: | Conductividad eléctrica;Dimensión fractal;Negro de carbón;Electrical conductivity;Fractal dimension;Carbon black;Ingeniería Química;Chemical engineering;Porcentaje de macroporos;Percentage of macropores;Densidad de empaquetamiento;Packing density |
Issue Date: | 2020 |
Publisher: | Elsevier |
Abstract: | Carbonaceous materials analyzed in this investigation were six nanometric particle size carbon blacks. Carbons were texturally characterized by gas adsorption (N2, 77 K), helium and mercury density and mercury porosimetry measurements. Electrical conductivity was determinated by impedance spectroscopy, at room temperature. Several works related to the electrical conductivity and to textural parameters of carbon blacks, such as: porosity, specific surface area, etc., have been carried out. However, there are a type of parameters, such as the fractal dimension, the percentage of macropores, the particle size, or the packing density, that are also related to the electrical conductivity, but they have not been previously investigated. In this work, it has been researched how the increase in interparticle/intraparticle porosity decreases the electrical conductivity of the samples studied. Therefore, it is possible to conclude that in this study a complete research work on electrical conductivity has been carried out. |
URI: | http://hdl.handle.net/10662/21998 |
ISSN: | 2405-8440 |
DOI: | 10.1016/j.heliyon.2020.e04024 |
Appears in Collections: | DEXGR - Artículos DIMEM - Artículos |
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j_heliyon_2020_e04024.pdf | 641,34 kB | Adobe PDF | View/Open |
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