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http://dx.doi.org/10.12925/jkocs.2008.25.1.7

Impedance characteristics of AgO-Zn cell at various State of Charge  

Yoon, Youn-Saup (Dept. of Chemical & Systems Engineering, Changwon National University)
Kim, Byung-Kuan (Dept. of Chemical & Systems Engineering, Changwon National University)
An, Sang-Yong (Sebang hi-tech)
Kim, Eung-Jin (Sebang hi-tech)
Lee, Jun-Ho (Sebang hi-tech)
Publication Information
Journal of the Korean Applied Science and Technology / v.25, no.1, 2008 , pp. 52-57 More about this Journal
Abstract
In the present study, impedance characteristics for AgO-Zn cell at various State-of-Charge (SoC) has been studied. The impedance measurements of AgO-Zn cell at various SoC were made over the frequency range from 100kHz to 10mHz with an amplitude 5mV. The impedance parameters have been evaluated by the analysis of the data using an equivalent circuit and a Non-linear least squares (NLLS) fitting method. The total resistances reflects the SoC of the cell. This indicates that the total resistance is important parameter for predicting SoC of AgO-Zn cell.
Keywords
state of charge; AgO-Zn cell; impedance spectroscopy;
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