Fractional model of an electrochemical capacitor

Valeriy Martynyuk; Manuel Ortigueira

doi:10.1016/j.sigpro.2014.02.021

Fractional model of an electrochemical capacitor

Research output: Contribution to journal › Article

Abstract

The fractional model of the electrochemical capacitor (EC) and its potential relaxation are presented. The potential relaxation occurs after charge or discharge current interruption. The EC fractional model is based on the fractional order transfer function that was obtained by means of least squares fitting of the EC impedance data. The inverse Laplace transform is used to obtain the EC impulse response. By using of the EC impulse response the EC charge and discharge simulation were performed.

Original language	English
Pages (from-to)	355-360
Number of pages	6
Journal	Signal Processing
Volume	107
DOIs	https://doi.org/10.1016/j.sigpro.2014.02.021
Publication status	Published - 2015

Keywords

Electrochemical capacitor
Electrochemical impedance spectroscopy
Impulse response
Potential relaxation
Transfer function

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title = "Fractional model of an electrochemical capacitor",

abstract = "The fractional model of the electrochemical capacitor (EC) and its potential relaxation are presented. The potential relaxation occurs after charge or discharge current interruption. The EC fractional model is based on the fractional order transfer function that was obtained by means of least squares fitting of the EC impedance data. The inverse Laplace transform is used to obtain the EC impulse response. By using of the EC impulse response the EC charge and discharge simulation were performed.",

keywords = "Electrochemical capacitor, Electrochemical impedance spectroscopy, Impulse response, Potential relaxation, Transfer function",

author = "Valeriy Martynyuk and Manuel Ortigueira",

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journal = "Signal Processing",

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AU - Ortigueira, Manuel

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N2 - The fractional model of the electrochemical capacitor (EC) and its potential relaxation are presented. The potential relaxation occurs after charge or discharge current interruption. The EC fractional model is based on the fractional order transfer function that was obtained by means of least squares fitting of the EC impedance data. The inverse Laplace transform is used to obtain the EC impulse response. By using of the EC impulse response the EC charge and discharge simulation were performed.

AB - The fractional model of the electrochemical capacitor (EC) and its potential relaxation are presented. The potential relaxation occurs after charge or discharge current interruption. The EC fractional model is based on the fractional order transfer function that was obtained by means of least squares fitting of the EC impedance data. The inverse Laplace transform is used to obtain the EC impulse response. By using of the EC impulse response the EC charge and discharge simulation were performed.

KW - Electrochemical capacitor

KW - Electrochemical impedance spectroscopy

KW - Impulse response

KW - Potential relaxation

KW - Transfer function

U2 - 10.1016/j.sigpro.2014.02.021

DO - 10.1016/j.sigpro.2014.02.021

M3 - Article

VL - 107

SP - 355

EP - 360

JO - Signal Processing

JF - Signal Processing

SN - 0165-1684

ER -