The thermal management system of power battery is the key system to en-sure the safety,efficiency and reliability of power battery.It can control the thermal runa-way caused by the high temperature of power battery when charging and discharging,re-duce the temperature difference of the battery,eliminate the poor consistency of the bat-tery charge and discharge,and prolong the life of the battery.In this paper,the same ther-mal management system is used to verify the effect of battery direct cooling on the bench and the vehicle respectively.The experimental results show that the cooling rate,temper-ature uniformity and energy efficiency of battery are batter on bench.In the test vehicle,the temperature uniformity of the battery will be poor due to the increase of vehicle ther-mal load and influence factors,and both of them can meet the design requirements.
关键词
制冷剂直冷/降温速率/电芯温差/试验研究
Key words
direct refrigerant cooling/cooling rate/temperature difference of the bat-tery/experimental research
维普
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