Proceedings of 2nd International Multi-Disciplinary Conference Theme: Integrated Sciences and Technologies, IMDC-IST 2021, 7-9 September 2021, Sakarya, Turkey

Research Article

Thermal cooling analysis of single Li-ion battery cell with elliptic heat sink with perforation

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  • @INPROCEEDINGS{10.4108/eai.7-9-2021.2315179,
        author={Karim  Egab and Mushtaq Talib Hamzah and Hayder  Hasan and Ali Lateef Tarish},
        title={Thermal cooling analysis of single Li-ion battery cell with elliptic heat sink with perforation},
        proceedings={Proceedings of 2nd International Multi-Disciplinary Conference Theme: Integrated Sciences and Technologies, IMDC-IST 2021, 7-9 September 2021, Sakarya, Turkey},
        publisher={EAI},
        proceedings_a={IMDC-IST},
        year={2022},
        month={1},
        keywords={battery unit heat sink perforation heat transfer temperature},
        doi={10.4108/eai.7-9-2021.2315179}
    }
    
  • Karim Egab
    Mushtaq Talib Hamzah
    Hayder Hasan
    Ali Lateef Tarish
    Year: 2022
    Thermal cooling analysis of single Li-ion battery cell with elliptic heat sink with perforation
    IMDC-IST
    EAI
    DOI: 10.4108/eai.7-9-2021.2315179
Karim Egab1,*, Mushtaq Talib Hamzah2, Hayder Hasan3, Ali Lateef Tarish2
  • 1: 1Electromechanical System Engineering Department, Thi-Qar Technical College, Southern Technical University, Iraq
  • 2: Thermal Mechanics Engineering. Dept., Eng. Technical College-Basra, Southern Technical University, Iraq
  • 3: Electromechanical System Engineering Department, Thi-Qar Technical College, Southern Technical University, Iraq
*Contact email: k.egab@stu.edu.iq

Abstract

The performance of Li-ion batteries is highly dependent on the conditions and temperature distribution inside the battery units. Most of the batteries suffer from high heat dissipation and temperature which influence the battery unit life and efficiency. Therefore, a thermal cooling system is important to regulate the battery unit temperature and reduce the high heat dissipation effect. This study aims to examine the thermal cooling efficiency of a single Li-ion battery unit with a modified heat sink. The study was performed in a laminar flow regime with Reynolds numbers ranging from 20 to 120. The operating fluid is air and the heat sink is aluminum. The Li-ion battery units' heat sink was adjusted with elliptic holes as perforation located inside the walls of each fin. The elliptic holes are spaced evenly along with the fins with constant size and gap between them. The thermal performance in the battery unit is calculated using the MSMD function which is solved using the Ansys 18.1 software. The results indicate that the maximum battery unit temperature measured in the case is 343.1 K without a cooling system. The battery unit temperature decreased by 13% when only air cooling was applied. The use of a heat sink with elliptic perforation plays an important role in lowering the battery unit temperature. The temperature decreased by 21% compared to the case of without cooling.