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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Previous articles were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
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Article

Classical EIS and square pattern signals comparison based on a well-known reference impedance

1
CEA-LETI, Minatec, Grenoble, France
2
GIPSA-Lab, Saint-Martin-d’Hères, France
3
INES/CEA, France
4
CEA-LITEN, Grenoble, France
*
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2013, 6(3), 800-806; https://doi.org/10.3390/wevj6030800
Published: 27 September 2013

Abstract

Electrochemical impedance spectroscopy or ac impedance methods are popularly used for the diagnosis of electrochemical generators (batteries or fuel cell). It is now possible to acquire and quantitatively interpret the experimental electrical impedances of such systems, whose evolutions indirectly reflect the modifications of the internal electrochemical process. The scope of these measurement methods is to identify the frequency response function of the system under test by applying a small signal perturbation to the system input, and measuring the corresponding response. Once identified, and according to the application, frequency response functions can provide useful information about the characteristics of the system. Classical EIS consists in applying a set of frequency-controlled sine waves to the input of the system. However, the most difficult problem is the integration of this type of measuring device in embedded systems. In order to overcome this problem, we propose to apply squared pattern excitation signals to perform such impedance measurements. In this paper, we quantify and compare the performance of classical EIS and the proposed broadband identification method applied to a well-known impedance circuit.
Keywords: EIS; broadband signals; identification; impedance; Li-ion battery EIS; broadband signals; identification; impedance; Li-ion battery

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MDPI and ACS Style

AL NAZER, R.; CATTIN, V.; GRANJON, P.; MONTARU, M.; RANIERI, M.; HEIRIES, V. Classical EIS and square pattern signals comparison based on a well-known reference impedance. World Electr. Veh. J. 2013, 6, 800-806. https://doi.org/10.3390/wevj6030800

AMA Style

AL NAZER R, CATTIN V, GRANJON P, MONTARU M, RANIERI M, HEIRIES V. Classical EIS and square pattern signals comparison based on a well-known reference impedance. World Electric Vehicle Journal. 2013; 6(3):800-806. https://doi.org/10.3390/wevj6030800

Chicago/Turabian Style

AL NAZER, R., V. CATTIN, P. GRANJON, M. MONTARU, M. RANIERI, and V. HEIRIES. 2013. "Classical EIS and square pattern signals comparison based on a well-known reference impedance" World Electric Vehicle Journal 6, no. 3: 800-806. https://doi.org/10.3390/wevj6030800

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