Abstract
The electrical conductivity of carbon nanofiber–thermally expanded graphite compacted systems at various component mass ratios was investigated. Because the initial carbon nanofibers were not pressed, thermally expanded graphite was added as a binder. The compaction was carried out at a pressure of 11 MPa for 30 min. The AC electrical conductivity was measured in a variable-field frequency range of 25 Hz to 1 MHz during heating from 30 to 100°C. It was found that a decrease in the binder content leads to a narrowing of the electrical conductivity range of the system.
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This work was supported under a state assignment of the Ministry of Science and Higher Education of the Russian Federation (code FSUN–2020–0008).
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Translated by V. Glyanchenko
This work was submitted to the virtual publication “Young Scientists of the Russian Academy of Sciences.“
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Lapekin, N.I., Shestakov, A.A., Brester, A.E. et al. Investigation of the Electrical Properties of Carbon Nanofibers–Thermally Expanded Graphite Compacted Composites. Dokl Chem 500, 219–223 (2021). https://doi.org/10.1134/S0012500821100049
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DOI: https://doi.org/10.1134/S0012500821100049