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1 Materials Science Poland

1 2014

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Fe2+- and Er2+-intercalative modification of porous and electron structure of activated carbon and its influence on supercapacitor parameters

Venhryn B.Ya., Grygorchak I.I., Kulyk Yu.O., Mudry S.I., Strelchuk V V, Budzulyak S I, Dovbeshko G I, Fesenko O M

Materials Science Poland

2014

Vol. 32, No. 2

272--280

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 M¨ossbauer 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.