Impact of Moisture Sorbed from Air by Activated Carbon Electrodes on their Capacitance in Aqueous Electrolyte of Supercapacitor | Zendy

Denys Gromadskyi | Zendy

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Impact of Moisture Sorbed from Air by Activated Carbon Electrodes on their Capacitance in Aqueous Electrolyte of Supercapacitor

Author(s) -

Denys Gromadskyi

Publication year - 2015

Publication title -

physics and chemistry of solid state

Language(s) - English

Resource type - Journals

eISSN - 2309-8589

pISSN - 1729-4428

DOI - 10.15330/pcss.16.3.547-550

Subject(s) - supercapacitor , capacitance , electrolyte , moisture , electrode , activated carbon , aqueous solution , cyclic voltammetry , materials science , dielectric spectroscopy , carbon fibers , chemical engineering , analytical chemistry (journal) , inorganic chemistry , chemistry , electrochemistry , composite material , chromatography , adsorption , organic chemistry , composite number , engineering

Impact of moisture sorbed from air by porous carbon electrodes after vacuum drying on their specific capacitance in aqueous 1.0 M Na2SO4 solution was studied. It was shown by cyclic voltammetry and impedance spectroscopy that electrodes lose more than 20 % of the capacitance after such drying procedure and in order to recover it takes about 1 month.

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