纯电动汽车锂离子电池低温充电方法对温升速率的影响分析

Analysis on Influence of Low Temperature Charging Method on Temperature Rise Rate of Lithium-ion Batteries for Pure Electric

为了解决锂离子电池在寒冷环境中充电能力下降导致充电时间大幅增加的问题,分析了锂离子电池的低温充电方法,并针对纯电动车用锂离子电池在低温下充电方法的差异对电池温升速率的影响展开研究,对改善电池低温充电速率和提升纯电动车低温充电能力提出建议。

In order to solve the problem that the lithium-ion batteries’charging capacity decreases in cold environments,this paper analyzes the low temperature charging methods of lithium-ion batteries,and studies the impact of the differences in charging methods of lithium-ion batteries for pure electric vehicles at low temperatures on the battery temperature rise rate,and puts forward suggestions on improving the low temperature charging rate of batteries and the low temperature charging capacity of pure electric vehicles.