Improving the Performance of Liquid-Based Battery Thermal Management Systems Using Flow Patterns and Contact Surface with the Battery

The advancement and commercialization of electric vehicles due to their advantages have increased research in this field. Lithium-ion batteries are among the most important components of electric vehicles, and their performance is affected by temperature. In this study, fluid dynamics and heat trans...

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Main Author: Abolfazl Mokhtari
Format: Article
Language:English
Published: Semnan University 2025-05-01
Series:Journal of Heat and Mass Transfer Research
Subjects:
Online Access:https://jhmtr.semnan.ac.ir/article_9146_08555a69998de1ac0711601c5f49aaee.pdf
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author Abolfazl Mokhtari
author_facet Abolfazl Mokhtari
author_sort Abolfazl Mokhtari
collection DOAJ
description The advancement and commercialization of electric vehicles due to their advantages have increased research in this field. Lithium-ion batteries are among the most important components of electric vehicles, and their performance is affected by temperature. In this study, fluid dynamics and heat transfer in a cooling system for battery cells were investigated using three-dimensional solid-fluid simulations. The thermophysical properties of the cooling fluid were considered variable with temperature and implemented using a user-defined function (UDF). Numerical simulation can effectively predict the thermal behavior of battery cells during discharge and match experimental data. This study examined the impact of different flow patterns and solid block contact surfaces on the maximum surface temperature and temperature distribution uniformity. The results show that the structure of incremental blocks can affect the temperature distribution of battery cells, such that in parallel flow, the maximum temperature of cells near the inlet increases by 0.65°C, and cells near the outlet decreases by 0.2°C. In contrast, in counter-flow, the maximum temperature of side cells is higher by 0.25°C. Additionally, the study shows the impact of increased contact surface on system weight, indicating a significant weight reduction of about 28.5% in solid blocks with increased contact surface. This research demonstrates the potential of using numerical simulations to improve the design of thermal management systems in battery cells.
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spelling doaj-art-e7cbf8ea02be4432a6da8c700147cf712025-01-20T11:28:50ZengSemnan UniversityJournal of Heat and Mass Transfer Research2345-508X2383-30682025-05-0112116517610.22075/jhmtr.2024.34947.15939146Improving the Performance of Liquid-Based Battery Thermal Management Systems Using Flow Patterns and Contact Surface with the BatteryAbolfazl Mokhtari0Department of Flight and Engineering, Imam Ali University, Tehran, IranThe advancement and commercialization of electric vehicles due to their advantages have increased research in this field. Lithium-ion batteries are among the most important components of electric vehicles, and their performance is affected by temperature. In this study, fluid dynamics and heat transfer in a cooling system for battery cells were investigated using three-dimensional solid-fluid simulations. The thermophysical properties of the cooling fluid were considered variable with temperature and implemented using a user-defined function (UDF). Numerical simulation can effectively predict the thermal behavior of battery cells during discharge and match experimental data. This study examined the impact of different flow patterns and solid block contact surfaces on the maximum surface temperature and temperature distribution uniformity. The results show that the structure of incremental blocks can affect the temperature distribution of battery cells, such that in parallel flow, the maximum temperature of cells near the inlet increases by 0.65°C, and cells near the outlet decreases by 0.2°C. In contrast, in counter-flow, the maximum temperature of side cells is higher by 0.25°C. Additionally, the study shows the impact of increased contact surface on system weight, indicating a significant weight reduction of about 28.5% in solid blocks with increased contact surface. This research demonstrates the potential of using numerical simulations to improve the design of thermal management systems in battery cells.https://jhmtr.semnan.ac.ir/article_9146_08555a69998de1ac0711601c5f49aaee.pdfelectric vehiclesthermal managementlithium-ion batteriesflow patternsolid block
spellingShingle Abolfazl Mokhtari
Improving the Performance of Liquid-Based Battery Thermal Management Systems Using Flow Patterns and Contact Surface with the Battery
Journal of Heat and Mass Transfer Research
electric vehicles
thermal management
lithium-ion batteries
flow pattern
solid block
title Improving the Performance of Liquid-Based Battery Thermal Management Systems Using Flow Patterns and Contact Surface with the Battery
title_full Improving the Performance of Liquid-Based Battery Thermal Management Systems Using Flow Patterns and Contact Surface with the Battery
title_fullStr Improving the Performance of Liquid-Based Battery Thermal Management Systems Using Flow Patterns and Contact Surface with the Battery
title_full_unstemmed Improving the Performance of Liquid-Based Battery Thermal Management Systems Using Flow Patterns and Contact Surface with the Battery
title_short Improving the Performance of Liquid-Based Battery Thermal Management Systems Using Flow Patterns and Contact Surface with the Battery
title_sort improving the performance of liquid based battery thermal management systems using flow patterns and contact surface with the battery
topic electric vehicles
thermal management
lithium-ion batteries
flow pattern
solid block
url https://jhmtr.semnan.ac.ir/article_9146_08555a69998de1ac0711601c5f49aaee.pdf
work_keys_str_mv AT abolfazlmokhtari improvingtheperformanceofliquidbasedbatterythermalmanagementsystemsusingflowpatternsandcontactsurfacewiththebattery