dc.contributor.authorHong, Yan
dc.contributor.authorGoh, Wang Ling
dc.contributor.authorWang, Yong
dc.identifier.citationHong, Y., Goh, W. L., & Wang, Y. (2017). Note: Hybrid-π model and parameter extraction method for electrode-electrolyte interface characterization with superbly accurate reactance. Review of Scientific Instruments, 88(8), 086106-.en_US
dc.description.abstractThis paper presents an equivalent circuit model for the electrode-electrolyte interface and aims at improving the modeling accuracy of the parasitic effects at frequencies up to 300 MHz. Different from the conventional model, the electrode inductances, body loss capacitances, and body loss resistances are all included in the proposed hybrid-π model. In addition, the S-parameters obtained by a vector network analyzer are innovatively used to extract the parameters of the electrode-electrolyte interface model for a frequency range from 10 Hz to 300 MHz. Since reactance is proportional to frequency, the proposed technique can precisely calculate the parasitic effects at higher frequencies. Verified by experiments, the hybrid-π model presents better accuracies when fitted to both the phases and magnitudes of S11 and S21. The superb modeling accuracy of this work is beneficial for biomedical applications that have an electrode-electrolyte interface.en_US
dc.format.extent3 p.en_US
dc.relation.ispartofseriesReview of Scientific Instrumentsen_US
dc.rights© 2017 American Institute of Physics (AIP). This paper was published in Review of Scientific Instruments and is made available as an electronic reprint (preprint) with permission of American Institute of Physics (AIP). The published version is available at: [http://dx.doi.org/10.1063/1.4997726]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en_US
dc.subjectParameter extractionen_US
dc.subjectElectrode-electrolyte interfacesen_US
dc.titleNote: Hybrid-π model and parameter extraction method for electrode-electrolyte interface characterization with superbly accurate reactanceen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.versionPublished versionen_US

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