For citation:
Saratseva A. R., Goffman V. G., Savkina I. D., Sleptsov V. V., Gorokhovskii A. V. Electrochemical behavior of carbon-fabric electrode materials with titanium and silver coatings. Electrochemical Energetics, 2026, vol. 26, iss. 3, pp. 143-157. DOI: 10.18500/1608-4039-2026-26-3-143-157, EDN: XTWEDL
Electrochemical behavior of carbon-fabric electrode materials with titanium and silver coatings
The electrochemical behavior of carbon-fabric electrodes in the pristine state and after modification with titanium (magnetron sputtering), silver (chemical precipitation) and sequential titanium/silver coatings was studied. The effect of metallic coatings on the conductivity, permittivity, and dielectric losses of model symmetric supercapacitors–fabricated using carbon-fabric electrodes, both with and without the coatings– was investigated. It was shown that applying a silver coating to the pristine carbon fabric has only a minor effect on the electrical conductivity of the systems under study but significantly increases dielectric losses. In contrast, the use of carbon-fabric electrodes with a titanium coating followed by silver plating in the investigated supercapacitor cells leads to a substantial increase in conductivity at both low and high frequencies, minimizes dielectric losses, and results in an increase in dielectric permittivity at low frequencies by two orders of magnitude. Based on the results obtained for the studied electrochemical cells using cyclic voltammetry, the mechanism of the observed phenomena was analyzed, and recommendations for their application in energy storage devices with improved characteristics were provided.
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