Proposing a Hybrid BTMS Using a Novel Structure of a Microchannel Cold Plate and PCM

Moeed Rabiei, Ayat Gharehghani (), Soheil Saeedipour, Amin Mahmoudzadeh Andwari () and Juho Könnö
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Moeed Rabiei: School of Mechanical Engineering, Iran University of Science and Technology, Narmak, Tehran 16846, Iran
Ayat Gharehghani: School of Mechanical Engineering, Iran University of Science and Technology, Narmak, Tehran 16846, Iran
Soheil Saeedipour: School of Mechanical Engineering, Iran University of Science and Technology, Narmak, Tehran 16846, Iran
Amin Mahmoudzadeh Andwari: Machine and Vehicle Design (MVD), Materials and Mechanical Engineering, Faculty of Technology, University of Oulu, FI-90014 Oulu, Finland
Juho Könnö: Machine and Vehicle Design (MVD), Materials and Mechanical Engineering, Faculty of Technology, University of Oulu, FI-90014 Oulu, Finland

Energies, 2023, vol. 16, issue 17, 1-20

Abstract: The battery thermal management system (BTMS) for lithium-ion batteries can provide proper operation conditions by implementing metal cold plates containing channels on both sides of the battery cell, making it a more effective cooling system. The efficient design of channels can improve thermal performance without any excessive energy consumption. In addition, utilizing phase change material (PCM) as a passive cooling system enhances BTMS performance, which led to a hybrid cooling system. In this study, a novel design of a microchannel distribution path where each microchannel branched into two channels 40 mm before the outlet port to increase thermal contact between the battery cell and microchannels is proposed. In addition, a hybrid cooling system integrated with PCM in the critical zone of the battery cell is designed. Numerical investigation was performed under a 5C discharge rate, three environmental conditions, and a specific range of inlet velocity (0.1 m/s to 1 m/s). Results revealed that a branched microchannel can effectively improve thermal contact between the battery cell and microchannel in a hot area of the battery cell around the outlet port of channels. The designed cooling system reduces the maximum temperature of the battery cell by 2.43 °C, while temperature difference reduces by 5.22 °C compared to the straight microchannel. Furthermore, adding PCM led to more uniform temperature distribution inside battery cell without extra energy consumption.

Keywords: microchannels; BTMS; lithium-ion battery; PCM; cold plate (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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