Experimental study on charge amount of low-GWP refrigerants in electric vehicle thermal management system

Kang, Yujia; Hu, Yunpeng; Zhang, Chunhua; Yang, Ke; Zhang, Quan

doi:10.1016/j.applthermaleng.2024.124059

Applied Thermal Engineering

2024

DOI: 10.1016/j.applthermaleng.2024.124059

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Experimental study on charge amount of low-GWP refrigerants in electric vehicle thermal management system

Yujia Kang,

Yunpeng Hu,

Chunhua Zhang

et al.

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Cited by 2 publications

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Design optimization of finned multi-tube PCM heat exchanger for enhancing EV energy performance

Kim,

Oh,

Hong

et al. 2024

Applied Thermal Engineering

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Design optimization of finned multi-tube PCM heat exchanger for enhancing EV energy performance

Kim,

Oh,

Hong

et al. 2024

Applied Thermal Engineering

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Research on the Fast Charging Strategy of Power Lithium-Ion Batteries Based on the High Environmental Temperature in Southeast Asia

Zhang,

2024

Batteries

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To address the problem of excessive charging time for electric vehicles (EVs) in the high ambient temperature regions of Southeast Asia, this article proposes a rapid charging strategy based on battery state of charge (SOC) and temperature adjustment. The maximum charging capacity of the cell is exerted within different SOCs and temperature ranges. Taking a power lithium-ion battery (LIB) with a capacity of 120 Ah as the research object, a rapid charging model of the battery module was established. The battery module was cooled by means of a liquid cooling system. The combination of the fast charging strategy and the cooling strategy was employed to comprehensively analyze the restrictions of the fast charging rate imposed by the battery SOC and temperature. The results indicate that when the coolant flow rate was 12 L/min and the inlet coolant temperature was 22 °C, the liquid cooling system possessed the optimal heat exchange capacity and the lowest energy consumption. The maximum temperature (Tmax) of the battery during the charging process was 50.04 °C, and the charging time was 2634 s. To lower the Tmax of the battery during the charging process, a charging rate limit was imposed on the temperature range above 48 °C based on the original fast charging strategy. The Tmax decreased by 0.85 °C when charging with the optimized fast charging strategy.

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Experimental study on charge amount of low-GWP refrigerants in electric vehicle thermal management system

Cited by 2 publications

References 36 publications

Design optimization of finned multi-tube PCM heat exchanger for enhancing EV energy performance

Design optimization of finned multi-tube PCM heat exchanger for enhancing EV energy performance

Research on the Fast Charging Strategy of Power Lithium-Ion Batteries Based on the High Environmental Temperature in Southeast Asia

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