Electric vehicle battery thermal management based on liquid cooling is the mainstream form of cooling for new energy vehicles. According to energy consumption, the system is divided into active cooling system and passive cooling system. The cooling of battery modules in these two cooling systems is carried out by liquid-cooled plate, which is connected in series in the cooling system. Therefore, the design of the liquid-cooled plate has a great impact on the effect of battery heat dissipation. In this paper, considering the advantages of existing liquid-cooled plates, the author proposed a series-parallel hybrid dc channel liquid-cooled plate structure, taking square lithium iron phosphate battery pack as the research object. Finally, the effects of different inlet flows and temperatures of the liquid-cooled plate on the thermal performance of the liquid-cooled plate were investigated by using single factor analysis. Studies have shown that the liquid-cooled structure can maintain the battery module temperature within the proper temperature range in high temperature environments (40°C).
Structural Design and Optimization of Liquid-Cooled Thermal Management Components for Electric Vehicle Batteries
Sae Technical Papers
WCX SAE World Congress Experience ; 2023
2023-04-11
Aufsatz (Konferenz)
Englisch
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