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Abstrakt
A comprehensive impedance characteristics of two electrodes electrochemical cell has been pre sented. In this method a multisinusoidal current excitation signal is used. The change of potential of both the electrodes are all registered as a function of time. The proposed method gives the possibility of determining the impedance of both electrodes individually as well as the impedance of a twoelectrode system. Additional application of short time Fourier transform of time registers allows the determination of changes in the mea sured impedance values over time. In order to present the possibilities of the proposed technology was applied to a process of charging commercially available electrochemical cell NiCd. The new measurement method ology allows understanding the dynamics of processes occurring in a electrochemical cell. This is the basis for the development of effective and affordable electrocatalysts. Thanks to results obtained with Dynamic Elec trochemical Impedance spectroscopy (DEIS) method it is possible to understand the mechanisms and kinet ics of processes occurring in electrochemical cells while charging.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
RUSSIAN JOURNAL OF ELECTROCHEMISTRY
nr 59,
wydanie 4,
strony 379 - 384,
ISSN: 1023-1935 - Język:
- angielski
- Rok wydania:
- 2014
- Opis bibliograficzny:
- Ślepski P., Janicka E.: A Comprehensive Analysis of Impedance of the Electrochemical Cell// RUSSIAN JOURNAL OF ELECTROCHEMISTRY. -Vol. 59, iss. 4 (2014), s.379-384
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 125 razy
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