Fitting improvement using a new electrical circuit model for the electrode-electrolyte interface

Jong Hyeon Chang; Jungil Park; Youngmi Kim Pak; James Jungho Pak

doi:10.1109/CNE.2007.369737

Fitting improvement using a new electrical circuit model for the electrode-electrolyte interface

Jong Hyeon Chang, Jungil Park, Youngmi Kim Pak, James Jungho Pak

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

27 Citations (Scopus)

Abstract

The characteristics of impedance for the electrode-electrolyte interface are important in the electrode researches for biomedical applications. So, the equivalent circuit models for the interface have been researched and developed. However, the applications of such previous models are limited in terms of the frequency range, type of electrode or electrolyte. In this paper, a new electrical circuit model was proposed and demonstrated its capability of fitting the experimental results more accurately than before. A new electrical circuit model consists of three resistors and two constant phase elements. Electrochemical impedance spectroscopy was used to characterize the interface for several materials of Au, Pt, and stainless steel electrode in 0.9% NaCl solution. The new model and the previous model were applied to fit the measured impedance results, and were compared their goodness of fit.

Original language	English
Title of host publication	Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering
Pages	572-574
Number of pages	3
DOIs	https://doi.org/10.1109/CNE.2007.369737
Publication status	Published - 2007
Event	3rd International IEEE EMBS Conference on Neural Engineering - Kohala Coast, HI, United States Duration: 2007 May 2 → 2007 May 5

Publication series

Name	Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering

Other

Other	3rd International IEEE EMBS Conference on Neural Engineering
Country/Territory	United States
City	Kohala Coast, HI
Period	07/5/2 → 07/5/5

ASJC Scopus subject areas

Biotechnology
Bioengineering
Neuroscience (miscellaneous)

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10.1109/CNE.2007.369737

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Chang, J. H., Park, J., Pak, Y. K., & Pak, J. J. (2007). Fitting improvement using a new electrical circuit model for the electrode-electrolyte interface. In Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering (pp. 572-574). Article 4227342 (Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering). https://doi.org/10.1109/CNE.2007.369737

Fitting improvement using a new electrical circuit model for the electrode-electrolyte interface. / Chang, Jong Hyeon; Park, Jungil; Pak, Youngmi Kim et al.
Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering. 2007. p. 572-574 4227342 (Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Chang, JH, Park, J, Pak, YK & Pak, JJ 2007, Fitting improvement using a new electrical circuit model for the electrode-electrolyte interface. in Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering., 4227342, Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering, pp. 572-574, 3rd International IEEE EMBS Conference on Neural Engineering, Kohala Coast, HI, United States, 07/5/2. https://doi.org/10.1109/CNE.2007.369737

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abstract = "The characteristics of impedance for the electrode-electrolyte interface are important in the electrode researches for biomedical applications. So, the equivalent circuit models for the interface have been researched and developed. However, the applications of such previous models are limited in terms of the frequency range, type of electrode or electrolyte. In this paper, a new electrical circuit model was proposed and demonstrated its capability of fitting the experimental results more accurately than before. A new electrical circuit model consists of three resistors and two constant phase elements. Electrochemical impedance spectroscopy was used to characterize the interface for several materials of Au, Pt, and stainless steel electrode in 0.9% NaCl solution. The new model and the previous model were applied to fit the measured impedance results, and were compared their goodness of fit.",

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Fitting improvement using a new electrical circuit model for the electrode-electrolyte interface

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