Errors in the reference electrode measurements in real lithium-ion batteries

نویسندگان

چکیده

Reference electrodes (REs) implanted in lithium-ion batteries are essential indicators the fields of health monitoring and safety management. The non-destructive charging profiles, for example, usually determined by electrode potential measurements performed with RE. However, errors RE measurements, resulting seriously flawed conclusions, seldom discussed real batteries. This study investigates reliability anode potentials measured a Li/Cu commercial cells. Artefacts advanced based on inconsistency lithium plating behaviors, further validated excess overpotential while to high state charge at rates. Furthermore, artefact phenomenon is reflected electrochemical model highlighting blocking Li-ion flow. Inhomogeneous intercalation currents anode-separator interface revealed bring out measurements. Finally, impact critical parameters artefacts examined, proper sizes battery operating conditions proposed ensure work emphasizes existence provides useful guide eliminating improving accuracy

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ژورنال

عنوان ژورنال: Journal of Power Sources

سال: 2021

ISSN: ['1873-2755', '0378-7753']

DOI: https://doi.org/10.1016/j.jpowsour.2020.228933