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The Role of Electrochemical Impedance Spectroscopy in the Characterization of Electrodes and Devices for Energy Conversion and Storage

Magdić, Katja; Horvat-Radošević, Višnja (2013) The Role of Electrochemical Impedance Spectroscopy in the Characterization of Electrodes and Devices for Energy Conversion and Storage. Kemija u industriji, 62 (3-4). pp. 81-91. ISSN 0022-9830

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Abstract

This article describes the basic principles of the Electrochemical Impedance Spectroscopy, EIS, technique and its application in the characterization of electrode materials and electrochemical devices for energy conversion and storage. The concept of impedance and the necessary steps of impedance spectra analysis are explained. Basic relations for impedance of particular electro- chemical processes occurring in the system(s) are derived. Electrical equivalent circuits as impedance analogues for single-cell units of electrochemical (super)capacitors, galvanic cells (batteries) and fuel cells, as well as separate impedance components and parameters describing the system(s) are presented and discussed. The advantages and problems in application of the EIS technique for evaluation of operating states and possible failures of these electrochemical devices are described.

Item Type: Article
Uncontrolled Keywords: electrochemical impedance spectroscopy; electrochemical (super)capacitors; electrical equivalent circuits; galvanic cells (batteries); fuel cells
Subjects: NATURAL SCIENCES > Chemistry
Divisions: Division for Marine and Enviromental Research
Projects:
Project titleProject leaderProject codeProject type
Elektroaktivni filmovi za ekološki prihvatljivu konverziju i pohranu energije[16202] Višnja Horvat-Radošević098-0982904-2905MZOS
Temeljna i primijenjena istraživanja vodljivih polimera[160011] Zoran Mandić125-1252973-2576MZOS
Depositing User: Višnja Horvat-Radošević
Date Deposited: 18 Apr 2014 09:35
Last Modified: 18 Apr 2014 09:35
URI: http://fulir.irb.hr/id/eprint/1338

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