The porous structure of activated carbon-based on waste coffee grounds

S.-V. S. Sklepova; I.M. Gasyuk; N.Ya. Ivanichok; P.I. Kolkovskyi; V.O. Kotsyubynsky; B.I. Rachiy

doi:10.15330/pcss.23.3.484-490

Authors

S.-V. S. Sklepova Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
I.M. Gasyuk Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
N.Ya. Ivanichok Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
P.I. Kolkovskyi V.I. Vernadsky Institute General and Inorganic Chemistry, Kiev, Ukraine
V.O. Kotsyubynsky Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
B.I. Rachiy Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine

DOI:

https://doi.org/10.15330/pcss.23.3.484-490

Keywords:

nanoporous carbon material, porous structure, low-temperature porometry, waste coffee grounds

Abstract

Nanoporous carbon materials (NCM) are used to prepare supercapacitor (SC) electrodes. The high specific energy parameters of SC are closely related to the physical and electrochemical characteristics of NCM. NCM with a highly developed surface area and controlled pore size distribution are obtained by chemical and thermal activation of carbon containing precursors. In our work we propose a thermochemical method of obtaining NCM with a high specific surface area. NCM were obtained by thermochemical activation of potassium hydroxide waste coffee grounds (WCG).

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