한국가시화정보학회지 (Journal of the Korean Society of Visualization)

  • 제21권2호
  • /
  • Pages.34-45
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  • 2023
  • /
  • 1598-8430(pISSN)
  • /
  • 2093-808X(eISSN)
한국가시화정보학회 (The Korean Society of Visualization)
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상변화물질을 활용한 원통형 리튬이온 배터리 셀의 냉각성능 및 등온유지성에 관한 연구

Study on cooling performance and isothermal maintenance of cylindrical type lithium-ion battery cell using phase change material

  • Jae Hyung Yoon (Department of Mechanical Engineering, WKU) ;
  • Su Woong Hyun (Department of Mechanical Engineering, WKU) ;
  • Hee Jun Jeong (Department of Smart Automotive Engineering, WKU) ;
  • Dong Ho Shin (Department of Smart Automotive Engineering, Wonkwang University (WKU))
  • 투고 : 2023.06.23
  • 심사 : 2023.07.16
  • 발행 : 2023.07.31
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초록

When lithium-ion batteries operate out of the proper temperature range, their performance can be significantly degraded and safety issues such as thermal runaway can occur. Therefore, battery thermal management systems are widely researched to maintain the temperature of Li-ion battery cells within the proper temperature range during the charging and discharging process. This study investigates the cooling performance and isothermal maintenance of cooling materials by measuring the surface temperature of a battery cell with or without cooling materials, such as silicone oil, thermal adhesive, and phase change materials during discharge process of battery by the experimental and numerical analysis. As a result of the experiment, the battery pack filled with phase change material showed a temperature reduction of 47.4 ℃ compared to the case of natural convection. It proves the advanced utility of the cooling unit using phase change material that is suitable for use in battery thermal management systems.

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과제정보

이 논문은 2022학년도 원광대학교의 교비 지원에 의해 수행됨.

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