锂离子动力电池冷却技术研究进展 Research on Cooling Technology of Lithium-Ion Power Battery

锂离子动力电池在25℃~40℃内可高效安全运行，这需要配备高效的热管理系统保证锂离子动力电池组的运行安全。本文针对锂离子动力电池的散热特点，比较分析了风冷、液冷、相变材料冷却等锂离子动力电池冷却技术的优缺点及适用条件，最后对未来锂离子电池冷却技术进行了展望。 Lithium-ion power battery can be safe and efficient in 25˚C to 40˚C, which needs to be equipped with an efficient thermal management system to ensure its safe operation. Aiming at the heat dissipation characteristics of lithium-ion power battery, a comparative analysis including the advantages, disadvantages and applicable conditions of cooling by air, liquid and phase change material of lithium-ion battery was proposed. At last, the cooling technology of lithium-ion battery in the future was prospected.