Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Internal Structure Optimization to enhance the Thermal Performance of an Air-cooled Lithium-ion Battery Pack

공냉식 리튬 이온 배터리 팩의 열 성능 향상을 위한 내부 구조 최적화

  • Li, Quanyi (Dept. of Mechanical Engineering, Korea Maritime & Ocean University) ;
  • Cho, Jong-Rae (Dept. of Mechanical Engineering, Korea Maritime & Ocean University)
  • ;
  • 조종래 (한국해양대학교 대학원 기계공학과)
  • Received : 2021.07.20
  • Accepted : 2021.10.08
  • Published : 2021.12.31
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Abstract

Electric vehicles use lithium-ion battery packs as the power supply, where the batteries are connected in series or parallel. The temperature control of each battery is essential to ensure a consistent overall temperature. This study focused on reducing ohmic heating caused by batteries to realize a uniform battery temperature. The battery spacing was optimized to improve air cooling, and the tilt angle between the batteries was varied to optimize the internal structure of the batterypack. Simulations were performed to evaluate the effects of these parameters, and the results showed that the optimal scheme effectively achieved a uniform battery temperature under a constant power discharge. These findings can contribute to future research on cooling methods for battery packs.

Keywords

Acknowledgement

Authors would like to thank our colleagues Seongik Kim and Jinseong Park supporting help during simulation. All the authors promise that there is no conflict of interest in the study. This research did not receive any specific grant from funding agencies in the public, commercial.

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