Development of an electrochemical impedance analysis program based on the expanded measurement model

Kiyoshi Kobayashi, Yoshio Sakka, Tohru Suzuki

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A new program for electrochemical impedance analysis has been developed based on the expanded measurement model. The main feature of this program is that it allows the user to easily estimate the equivalent circuit, as well as an initial guess of the fitting parameters, through a graphic user interface (GUI). The function to illustrate the partial impedance spectra is implemented in the graphs of log f-Zreal and log f-Zimag. In this context, f represents the alternating current frequency applied to the sample; Zreal and Zimag represent the real and imaginary components of the impedance, respectively. By employing the GUI supporting function, the impedance spectrum can be analyzed without the use of a pseudo-element such as a constant phase element and with an empirical parameter in the Warburg and Gerischer impedance. Based on the results, it is possible to calculate a discrete distribution of the relaxation times from the optimized parameters.

Original languageEnglish
Pages (from-to)943-949
Number of pages7
JournalJournal of the Ceramic Society of Japan
Volume124
Issue number9
DOIs
Publication statusPublished - 2016 Sep 1
Externally publishedYes

Fingerprint

User interfaces
impedance
Equivalent circuits
Relaxation time
equivalent circuits
alternating current
relaxation time
estimates

Keywords

  • Discrete distribution of relaxation times
  • Electrochemical impedance
  • Graphic user interface
  • Software

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Development of an electrochemical impedance analysis program based on the expanded measurement model. / Kobayashi, Kiyoshi; Sakka, Yoshio; Suzuki, Tohru.

In: Journal of the Ceramic Society of Japan, Vol. 124, No. 9, 01.09.2016, p. 943-949.

Research output: Contribution to journalArticle

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