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All Journal Logic : Jurnal Rancang Bangun Dan Teknologi
Ermadani, Elvi
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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NUMERICAL STUDY ON THERMAL PERFORMANCE OF MINI-CHANNEL COOLING ON CYLINDRICAL LITHIUM-ION BATTERY COOLING SYSTEM Ermadani, Elvi; Julian, James; Adhitama, Bima Rakha; Wahyuni, Fitri; Purba, Riki Hendra; Mahdhudhu, Fathin Muhammad; Winarta, Adi
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 26 No. 1 (2026): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

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Abstract

This study investigates how a liquid-based cooling configuration influences the thermal behavior of a cylindrical lithium-ion (Li-ion) battery pack through numerical analysis. The work underscores the crucial role of proper thermal regulation to maintain operational safety and prolong battery lifespan in high-demand applications such as electric vehicles (EVs). Three cooling-channel diameters—4, 6, and 8 mm—were examined under a 5C discharge condition. The findings indicate that the 8 mm channel offers the most advantageous performance, delivering the lowest maximum temperature, quicker thermal stabilization, and improved temperature uniformity. Conversely, the 4 mm channel resulted in elevated peak temperatures and a temperature gradient (ΔT) of 8.3 °C, which may intensify hotspot formation and accelerate cell degradation. Overall, the results emphasize the importance of selecting an appropriate cooling-channel diameter to effectively mitigate thermal stress.
Co-Authors Adhitama, Bima Rakha Adi Winarta, Adi Fitri Wahyuni James Julian Mahdhudhu, Fathin Muhammad Purba, Riki Hendra