ISSN 1608-4039 (Print)
ISSN 1680-9505 (Online)


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Berezhnaya A. G., Chernyavina V. V., Lepeshkin I. O. Электрохимические свойства композитных электродов, содержащих наночастицы солей меди. Electrochemical Energetics, 2020, vol. 20, iss. 3, pp. 132-?. DOI: 10.18500/1608-4039-2020-20-3-132-145, EDN: WBMGTK

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WBMGTK

Электрохимические свойства композитных электродов, содержащих наночастицы солей меди

Autors: 
Berezhnaya Aleksandra Grigor'evna, Southern Federal University
Chernyavina Valentina Vladimirovna, Southern Federal University
Lepeshkin Igor Olegovich, Southern Federal University
Abstract: 

The energetic properties of the new composite electrode materials suitable for electrochemical capacitors were investigated. Composite electrodes were made using Norit A activated carbon and synthesized sparingly soluble copper salts such as copper iodide(I) and hexacyanoferrates (II), etc. (III). The composition of the salts was confirmed by elemental analysis and the particle size was determined by the Scherrer equation using the data of X­-ray phase analysis. The electrochemical characteristics of the electrodes were determined with the help of cyclic voltammetry, charge­discharge galvanostatic curves, and impedance spectroscopy. It was found that the composite materials containing 5–30 wt.% of copper iodide and copper hexacyanoferrate (II) had lower capacitive characteristics compared with the pure carbon electrode. The introduction of double hexacyanoferrates (II), copper (III) and potassium into the electrode material led to the increase in the specific capacitance by 30 and 20% respectively, compared with a carbon electrode.

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Received: 
28.04.2020
Accepted: 
12.05.2020
Published: 
30.09.2020