Analysis of the pulse frequency affections on the polarization voltage of the Li-ion battery for pulse charging

Yuxuan Qian; Jia Yang; Yichuan Xu; Hao Wu; Song Xiong; Yunhui Huang

doi:10.1117/12.3004543

25 September 2023 Analysis of the pulse frequency affections on the polarization voltage of the Li-ion battery for pulse charging

Yuxuan Qian, Jia Yang, Yichuan Xu, Hao Wu, Song Xiong, Yunhui Huang

Author Affiliations +

Proceedings Volume 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023); 127882Z (2023) https://doi.org/10.1117/12.3004543
Event: Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 2023, Kuala Lumpur, Malaysia

Abstract

Li-ion battery is widely applied in transportation and energy storage systems, due to their advantages of long lifespan, high-energy and high-power density. However, fast and healthy charging is critical when the Li-ion battery is applied in transportation due to the user experience and economics. Research has shown that pulse charging is an effective method for achieving both healthy and fast charging. However, existing research lacks the theoretically analysis on the pulse charging frequency affection to the pulse charging, which is critical for practical frequency setting for the Li-ion. To address this issue, this paper theoretically analyses the relationship between polarization voltage and pulse charging frequency, which is the core parameter that affect the fast and healthy charging, based on a dual polarization equivalent circuit model. DP model of a practical 35Ah ternary Li-ion battery is built in MATLAB and pulse charging is carried out. The simulation results are good fitted with the analysis on the polarization voltage and pulse frequency in the paper.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yuxuan Qian, Jia Yang, Yichuan Xu, Hao Wu, Song Xiong, and Yunhui Huang "Analysis of the pulse frequency affections on the polarization voltage of the Li-ion battery for pulse charging", Proc. SPIE 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 127882Z (25 September 2023); https://doi.org/10.1117/12.3004543

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