Electrophysical Properties and Heat Capacity of a Porous Carbon Material from Coal of the Maikube Basin

The chemical analysis of a porous carbon material (PCM) from coal of the Maikube coal basin (Kazakhstan) was carried out in this work. The PCM was obtained by carbonization and activation in argon and water vapor atmospheres. The physicochemical characteristics and surface morphology of the test sam...

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Published inSolid fuel chemistry Vol. 54; no. 3; pp. 180 - 185
Main Authors Ermagambet, B. T., Kasenov, B. K., Kazankapova, M. K., Nurgaliyev, N. U., Kassenova, Zh. M., Kuanyshbekov, E. E., Nauryzbaeva, A. T.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.05.2020
Springer Nature B.V
Subjects
Argon
Carbon
Chemical analysis
Chemistry
Chemistry and Materials Science
Heat
Morphology
Physical Chemistry
Porous materials
Specific heat
Temperature dependence
Thermal conductivity
Water vapor
heat capacity
electrophysical properties
electrical resistance
capacitance
dielectric constant
porous carbon material
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Summary:The chemical analysis of a porous carbon material (PCM) from coal of the Maikube coal basin (Kazakhstan) was carried out in this work. The PCM was obtained by carbonization and activation in argon and water vapor atmospheres. The physicochemical characteristics and surface morphology of the test sample were studied. The electrophysical characteristics of the PCM were determined by measuring the electric capacity of the samples in a temperature range of 293–483 K. The temperature dependences of the specific heat were obtained by dynamic calorimetry. Equations of the temperature dependence of the heat capacity were derived, and they can be further used to determine the thermal conductivity and temperature conductivity.
ISSN:0361-5219
1934-8029
DOI:10.3103/S0361521920030039