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A Multi-scale CFD Study on Cooling Performance of Lithium-ion Battery using Phase Change Material
Van-Tinh Huynh(후인반띤),Sang-Wook Lee(이상욱),Kyoung-Sik Chang(장경식) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
This paper analyzes the effect of phase change material (n-octadecane) on a large format (52.3 Ah) lithium-ion (Li-ion) pouch battery at different discharge rates (3C, 4C and 5C). Numerical simulations were conducted in ANSYS FLUENT software with Newman, Tiedemann, Gu and Kim (NTGK) model. By combining two PCM layers next to a cell, the maximum temperature was decreased significantly. Additionally, the temperature uniformity reached 10 ℃ under 3C rate.