Meddings, N; Heinrich, M; Overney, F; Lee, J S; Ruiz, V; Napolitano, E; Seitz, S; Hinds, G; Raccichini, R; Gaberšček, M; Park, J (2020) Application of electrochemical impedance spectroscopy to commercial Li-ion cells: A review. Journal of Power Sources, 480. 228742 ISSN 03787753

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Abstract

Electrochemical impedance spectroscopy (EIS) is a widely applied non-destructive method of characterisation of Li-ion batteries. Despite its ease of application, there are inherent challenges in ensuring the quality and reproducibility of the measurement, as well as reliable interpretation and validation of impedance data. Here, we present a focus review summarising best metrological practice in the application of EIS to commercial Li-ion cells. State-of-the-art methods of EIS interpretation and validation are also reported and examined to highlight the benefits and drawbacks of the technique.

Item Type:	Article
Keywords:	Lithium-ion battery, EIS measurement, interpretation, validation, metrology, degradation
Subjects:	Advanced Materials > Electrochemistry
Divisions:	Electromagnetic & Electrochemical Technologies
Identification number/DOI:	10.1016/j.jpowsour.2020.228742
Last Modified:	28 Apr 2021 15:02
URI:	http://eprintspublications.npl.co.uk/id/eprint/9098

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