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Fe2+- and Er2+-intercalative modification of porous and electron structure of activated carbon and its influence on supercapacitor parameters |
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| Authors: | B Ya Venhryn I I Grygorchak Yu O Kulyk S I Mudry V V Strelchuk S I Budzulyak G I Dovbeshko O M Fesenko |
| Affiliation: | 1. Lviv Polytechnic National University, Vul. S. Bandery 12, Lviv, 79013, Ukraine 2. Ivan Franko National University of Lviv, Vul. Kyryla i Mefodia 8, Lviv, 79005, Ukraine 3. V. Lashkaryov Institute of Semiconductor Physics, National Academy of Science of Ukraine, pr. Nauky 41, Kyiv, 03028, Ukraine 4. Institute of Physics, National Academy of Science of Ukraine, pr. Nauky 46, Kyiv, 03028, Ukraine |
| Abstract: | An influence of both porous and electron structure on the processes in an electric double layer (EDL) determining the main working parameters of carbon-based supercapacitors has been studied in order to improve them. The investigations involved impedance spectroscopy, X-ray small angle scattering, confocal micro-Raman spectroscopy, infra-red and Mössbauer spectroscopy. Fe2+- and Er2+-intercallative modifications of nanoporous carbon were performed. It was found that the modification process characteristics correlated with the structure parameters of the EDL. |
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