Journal
JOURNAL OF ENERGY STORAGE
Volume 54, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.est.2022.105345
Keywords
Energy storage system; Differential charging analysis; Lithium plating; Lithium -ion battery; Fast charging batteries
Categories
Funding
- Operational Programme Central Macedonia
- Innovative Investment Plans
- European Union
- European Regional Development Fund (ERDF)
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This paper presents a lithium plating detection method for lithium-ion batteries, which detects LP by examining a current plateau during the charging process and has been experimentally validated with established LP detection methods. The correlation of the current plateau with LP has been experimentally analyzed to enhance the sensitivity of LP detection methods.
In this paper, a lithium plating (LP) detection method for lithium-ion batteries is presented that can be applied during a constant-current-constant-voltage (CCCV) charging process and along with the voltage relaxation profile (VRP) technique constitute an effective and easy-to-use non-destructive tool. The suggested method de-tects the LP in a lithium-ion battery cell by examining a distinct plateau in the charging current during the constant-voltage (CV) phase of the CCCV procedure, which can be correlated to the LP process. Specifically, the proposed method monitors the battery cell charging current during the CV phase and by applying differential current analysis (DCA), it can detect the LP by seeking a local maximum that is observed in the curves of the charging current versus the time and the state-of-charge (SoC). The effectiveness of the method has been experimentally validated under several charging conditions with two established in-situ LP detection methods, the differential charging voltage (DCV) and the dynamic electrochemical impedance spectroscopy (DEIS). Furthermore, the correlation of the current plateau with the LP has been experimentally analyzed to enhance the knowledge on the reversible LP process during charging that can be utilized to further improve the sensitivity of LP detection methods.
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