当电池表面温度处于相变材料的相变温度 区间时，继续增加材料厚度和对流换热系数散热效果不显著；
When the battery surface temperature is in the phase change temperature range, the cooling effect is not obvious by continuing increasing material thickness and convective heat transfer coefficient.
当电池表面温度处于相变材料的相变温度 区间时，继续增加材料厚度和对流换热系数散热效果不显著；
When the battery surface temperature is in the phase change temperature range, the cooling effect is not obvious by continuing increasing material thickness and convective heat transfer coefficient.
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