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THE IMPACT OF THE SURFACE MORPHOLOGY ON ENERGY CHARACTERISTICS OF NANOPOROUS CARBON MATERIAL

Journal: Journal of Vasyl Stefanyk Precarpathian National University (Vol.1, No. 1)

Publication Date:

Authors : ; ; ; ; ; ; ;

Page : 17-25

Keywords : activated carbon material; double electric layer; electrolyte; specific capacity; internal resistance; electrochemical capacitor.;

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Abstract

The impact of nanoporous carbon material (PCM) morphology on its electrochemical behavior in aqueous electrolyte has been studied. The optimum concentration of aqueous lithium sulfate which provides the maximum specific energy characteristics of capacitor-type systems C/Li2SO4/C is determined. Capacitive parameters of electrochemical capacitors (EC) in aqueous so¬lutions of lithium, sodium and potassium sulfate which have different molar ratio have been stu¬died by comparative analysis. Cyclic voltammograms at different scan rates show that the PCM ca¬pacitive behavior in three electrolytes increases in the following order Li2SO4

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Last modified: 2015-07-20 19:00:49