Abstract
Nanoporous carbon (carbide-derived carbon (CDC)) has been prepared via high-temperature chlorination of a spherical NbC/C nanocomposite synthesized by a new process [19]. The CDC has been characterized by X-ray diffraction, Raman spectroscopy, scanning electron microscopy in combination with energy dispersive X-ray analysis, and transmission electron microscopy. Using nitrogen adsorption–desorption measurements, we have determined the average pore size (3.627 nm), pore size distribution, and total pore volume (1.215 cm3/g) in the CDC and calculated its specific surface area by the BET method (817.282 m2/g). The electrochemical behavior of the nanoporous carbon (CDC) has been studied using half-cell cyclic voltammetry measurements in the potential sweep range from –1.0 to +1.0 V vs. carbon and impedance spectroscopy.
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ACKNOWLEDGMENTS
We are grateful to V.I. Korepanov (Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences) for obtaining the Raman spectra.
The support from the Russian Foundation for Basic Research and the Russian Federation Ministry of Science and Higher Education is gratefully acknowledged.
Funding
This work was supported by the Russian Foundation for Basic Research (project no. 18-29-11083) and in part by the Russian Federation Ministry of Science and Higher Education (state research target for the Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences).
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Translated by O. Tsarev
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Il’in, E.G., Parshakov, A.S., Kottsov, S.Y. et al. Preparation of Nanoporous Carbon from a Spherical NbC/C Nanocomposite and Its Properties. Inorg Mater 58, 1130–1136 (2022). https://doi.org/10.1134/S002016852211005X
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DOI: https://doi.org/10.1134/S002016852211005X