Composite Cooling for FSAC Rasing Car Power Batteries
To solve the issue of low heat dissipation efficiency in the lithium power batteries for Formu-la Student Autonomous China,a composite cooling technology combining air cooling with phase change materials was proposed.Based on a one-dimensional heat generation model and a three-dimensional heat transfer model,the heat generation characteristics of lithium battery modules under high-rate dis-charge were studied.ANSYS software was used to study the temperature distribution of the battery un-der air cooling.At the same time,phase change material cooling was applied to the connection between the copper bar and the pole,and a heat dissipation partition was placed between the modules for phase change material cooling to further explore the maximum temperature distribution of single-cell batter-ies.The results show that the maximum temperature of the single-cell battery is reduced to 29℃,and the maximum temperature difference between the cells is 2℃.The heat dissipation effect of the battery is optimized.
lithium power batteryheat generation characteristicstemperaturecomposite cooling
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