For citation:
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
Электрохимические свойства композитных электродов, содержащих наночастицы солей меди
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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