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Thermal transport, which occurs in a single cell due to charging and discharging, will affect the cell's electrical performance. The heat generated needs to be appropriately managed via external cooli...ng to ensure optimum electrical and electrochemical performance and whilst minimizing any cell degradation. Therefore, modelling of thermal behavior of the batteries is essential, which will essentially serve as a tool for evaluating cell performance and safety. Additionally, this can be used as a guideline, particularly in the design stage of battery module/pack design. This paper presents a thermal analysis of a lithium-ion battery module with different cell arrangements under various inlet velocities. The average outlet temperature of each module and average battery surface temperature are simulated at different cell gaps. Increasing the air velocity of the inlet cooling air will increase the magnitude of turbulence in the cell casing domain. At low airspeed, tighter cell gaps promote better cooling; however, when the airspeed increases, larger spacing between cells gives pronounce cooling effect. This is manifested by a higher outlet air temperature up to 3 degrees Celsius between arrangement of 5-mm to 10-mm. Moreover, higher cell gaps cause the cell temperature to be relatively uniform at higher air speed.続きを見る
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Mendeley出力
p1399-1404