【摘要】 锂离子电池散热良好可防止电池过快老化或热失控原因造成寿命缩短。设计电池风冷散热结构,该结构结合串行与并行风道的优点,优化散热效果及风道的空间占比。通过ANSYS FLUENT软件对风道的散热效果进行仿真建模及分析,10 C倍率中最大温差控制在9.8 K以内。与传统并行风道相比,增加两组辅助散热孔后最高温度降低6.3 K,增加气体引流板后,改善流场均匀性,将最大温差缩小到5.9 K。该模型相比于串行风道温度更均衡。更多还原

【Abstract】 The good heat dissipation of the lithium ion battery can prevent the battery from fast aging or thermal runaway which leads to the loss of life.This article designed a battery air cooling structure,which combined the advantages of serial and parallel air duct,improved the heat dissipation result and saved space ratio of the air duct.The cooling effect of the air duct were simulated and analyzed by the ANSYS FLUENT software,and the maximum temperature difference was controlled within 9.8 K at 10 C.Compared with the traditional parallel air duct,the maximum temperature reduced by 6.3 K after adding two groups of auxiliary cooling holes,the maximum temperature difference reduced by 5.9 K and improved flow field uniformity.The temperature of this model is more proportional than the serial duct.更多还原