Chinese Journal of Nature ›› 2020, Vol. 42 ›› Issue (1): 12-26.doi: 10.3969/j.issn.0253-9608.2020.01.002
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HUANG Qiuan, LI Weiheng, TANG Zhepeng, ZHANG Fangzhou, LI Aijun, ZHANG Jiujun
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Abstract: Electrochemical impedance spectroscopy (EIS) has been widely used in the field of electrochemical energy technologies such as fuel cells, batteries, supercapacitors, electrolysis of H 2 O and CO 2 . This paper systematically reviews the basic theory of EIS, measurement technology, development trend, and application in electrochemical energy technology, and clarifies the accurate understanding of the following four core issues: (1) What is EIS? (2) Why do you need EIS? (3) How to implement EIS diagnosis? (4) What are capability boundaries for EIS? In order to appropriately and accurately use EIS technique, it must be clear about its capability boundaries: what EIS can do, what EIS can’t do, and what EIS is good at. EIS is obviously not omnipotent, however its value and potential will be fully reflected if used correctly, especially for electrochemical energy technologies.
Key words: electrochemical impedance spectroscopy, modeling &, simulating, distribution of relaxation time, nonlinearity, energy technology
HUANG Qiuan, LI Weiheng, TANG Zhepeng, ZHANG Fangzhou, LI Aijun, ZHANG Jiujun. Fundamentals of electrochemical impedance spectroscopy[J]. Chinese Journal of Nature, 2020, 42(1): 12-26.
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URL: https://www.nature.shu.edu.cn/EN/10.3969/j.issn.0253-9608.2020.01.002
https://www.nature.shu.edu.cn/EN/Y2020/V42/I1/12