Electrochemical Impedance Spectroscopy: A New Chapter in the Fast and Accurate Estimation of the State of Health for Lithium-Ion Batteries

Ming Zhang, Yanshuo Liu, Dezhi Li, Xiaoli Cui, Licheng Wang, Liwei Li and Kai Wang ()
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Ming Zhang: School of Electrical Engineering, Weihai Innovation Research Institute, Qingdao University, Qingdao 266000, China
Yanshuo Liu: School of Electrical Engineering, Weihai Innovation Research Institute, Qingdao University, Qingdao 266000, China
Dezhi Li: School of Electrical Engineering, Weihai Innovation Research Institute, Qingdao University, Qingdao 266000, China
Xiaoli Cui: ABB (China) Limited Xiamen Branch, Xiamen 361000, China
Licheng Wang: School of Information Engineering, Zhejiang University of Technology, Hangzhou 310014, China
Liwei Li: School of Control Science and Engineering, Shandong University, Jinan 250100, China
Kai Wang: School of Electrical Engineering, Weihai Innovation Research Institute, Qingdao University, Qingdao 266000, China

Energies, 2023, vol. 16, issue 4, 1-16

Abstract: Lithium-ion batteries stand out from other clean energy sources because of their high energy density and small size. With the increasing application scope and scale of lithium-ion batteries, real-time and accurate monitoring of its state of health plays an important role in ensuring the healthy and stable operation of an energy storage system. Due to the interaction of various aging reactions in the aging process of lithium-ion batteries, the capacity attenuation shows no regularity. However, the traditional monitoring method is mainly based on voltage and current, which cannot reflect the internal mechanism, so the accuracy is greatly reduced. Recently, with the development of electrochemical impedance spectroscopy, it has been possible to estimate the state of health quickly and accurately online. Electrochemical impedance spectroscopy can measure battery impedance in a wide frequency range, so it can reflect the internal aging state of lithium-ion batteries. In this paper, the latest impedance spectroscopy measurement technology and electrochemical impedance spectroscopy based on lithium-ion battery health state estimation technology are summarized, along with the advantages and disadvantages of the summary and prospects. This fills the gap in this aspect and is conducive to the further development of this technology.

Keywords: electrochemical impedance spectroscopy; lithium-ion battery; estimation of SOH; equivalent circuit model; data-driven method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (16)

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