Model reduction of fractional impedance spectra for time-frequency analysis of batteries, fuel cells, and supercapacitors
Weiheng Li , Qiu-An Huang , Yuxuan Bai , Jia Wang , Linlin Wang , Yuyu Liu , Yufeng Zhao , Xifei Li , Jiujun Zhang
Carbon Energy ›› 2024, Vol. 6 ›› Issue (1) : 360
Model reduction of fractional impedance spectra for time-frequency analysis of batteries, fuel cells, and supercapacitors
•Formularized model reduction of fractional impedance spectra for batteries/ supercapacitors/fuel cells. •Gained an insight into the characteristic time constant evolution for the joint time–frequency analysis. •Validated the thorough model reduction of fractional impedance spectra by numerical simulations. •Enhanced the reliability of joint time–frequency analysis for electrochemical energy devices.
battery, fuel cell, supercapacitor / fractional impedance spectroscopy / model reduction / time-frequency analysis
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2023 The Authors. Carbon Energy published by Wenzhou University and John Wiley & Sons Australia, Ltd.
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