Simulation on cooling performance characteristics of a refrigerant-cooled active thermal management system for lithium ion batteries

Seonggi Park, Dong Soo Jang, Dong Chan Lee, Seong Ho Hong, Yong Chan Kim

Research output: Contribution to journalArticle

6 Citations (Scopus)


In this study, numerical models of an active thermal management system (TMS) using a two-phase refrigerant and a passive TMS using phase change material (PCM) for lithium ion batteries in electric vehicles (EVs) and hybrid electric vehicles (HEVs) are developed. The models are validated by comparing the predictions with the measured data. The effects of the refrigerant temperature and mass flow rate on the cooling performance of the refrigerant-cooled active TMS are analyzed. Moreover, the cooling performance characteristics of the refrigerant-cooled active and PCM-based passive TMSs are compared under various single discharge and cyclic operating conditions. The passive and active TMSs show excellent performances under mild and stressful operating conditions where discharge occurs. However, in the cyclic operation where charge and discharge are merged, the refrigerant-cooled active TMS shows better cooling performance than the PCM-based passive TMS.

Original languageEnglish
Pages (from-to)131-141
Number of pages11
JournalInternational Journal of Heat and Mass Transfer
Publication statusPublished - 2019 Jun 1



  • Cooling performance
  • Lithium ion battery
  • PCM-based passive TMS
  • Refrigerant-cooled active TMS
  • Thermal management system

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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