THERMAL PERFORMANCE OF A BRANCHING CHANNEL LIQUID COOLING SYSTEM FOR CYLINDRICAL LI-ION 18650 BATTERIES

Anggie Topan Wijaya, . (2025) THERMAL PERFORMANCE OF A BRANCHING CHANNEL LIQUID COOLING SYSTEM FOR CYLINDRICAL LI-ION 18650 BATTERIES. THERMAL PERFORMANCE OF A BRANCHING CHANNEL LIQUID COOLING SYSTEM FOR CYLINDRICAL LI-ION 18650 BATTERIES, 25 (3). pp. 210-218. ISSN 1412-114X

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Abstract

Lithium-ion batteries need effective thermal management to avoid safety risks like thermal runaway. This study analyzes and optimizes a liquid cooling system. Battery Thermal Management System (BTMS) using a branching mini-channel cold plate design for eight Li-ion 18650 batteries. A Computational Fluid Dynamics model was developed to simulate performance at a 2C discharge rate with configurations of 3 (N3), 5 (N5), and 7 (N7) branches. The results, validated against experimental data, showed that all configurations kept maximum temperatures below 37°C and maintained temperature uniformity (ΔT) below 5°C. Increasing branches reduced pressure drop, with the N7 design showing the lowest ΔP of 5.16 Pa. Although it had a lower heat transfer coefficient, N7 achieved the highest J/F factor, indicating optimal thermo-hydraulic performance for liquid-cooled battery systems.

Item Type:	Article
Additional Information:	[No.Panggil: 2210311034] [Pembimbing 1: James Julian] [Pembimbing 2: Fitri Wahyuni] [Penguji 1: Damora Rhakasywi] [Penguji 2: Fahrudin]
Uncontrolled Keywords:	BTMS, Branching Mini-Channel, Cold Plate, Li-Ion 18650, Liquid Cooling.
Subjects:	Q Science > Q Science (General) Q Science > QC Physics T Technology > T Technology (General) T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Program Studi Teknik Mesin (S1)
Depositing User:	ANGGIE TOPAN WIJAYA
Date Deposited:	23 Feb 2026 03:51
Last Modified:	23 Feb 2026 03:51
URI:	http://repository.upnvj.ac.id/id/eprint/41448

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