汽车工程 ›› 2019, Vol. 41 ›› Issue (5): 571-581.doi: 10.19562/j.chinasae.qcgc.2019.05.014

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车用锂离子电池低温特性与加热方法研究进展*

朱建功1,2, 孙泽昌1, 魏学哲1, 戴海峰1, 房乔华1, 唐轩1   

  1. 1.同济大学新能源汽车工程中心,汽车学院,上海 201804;
    2.卡尔斯鲁厄理工学院,KIT-IAM-ESS,Karlsruhe 76344
  • 收稿日期:2018-04-24 发布日期:2019-06-05
  • 通讯作者: 朱建功,博士,E-mail:zhujiangong@tongji.edu.cn
  • 基金资助:
    国家自然科学基金面上项目(51576142)资助

Research Progress on Low-temperature Characteristics and HeatingTechniques of Vehicle Lithium-ion Battery

Zhu Jiangong1,2, Sun Zechang1, Wei Xuezhe1, Dai Haifeng1, Fang Qiaohua1, Tang Xuan1   

  1. 1.Clean Energy Automotive Engineering Center & School of Automotive Studies, Tongji University, Shanghai 201804;
    2.KIT, IAM-ESS, Germany, Karlsruhe 76344
  • Received:2018-04-24 Published:2019-06-05

摘要: 鉴于低温条件下动力电池功率特性变差,充放电效率下降,制约了电动汽车的发展,一方面通过对不同规格、不同材料体系的动力电池进行低温放电、充电、交流阻抗谱特性测试,分析制约锂离子动力电池低温性能的关键因素;另一方面,从动力电池热管理角度出发,对目前低温加热技术的研究进展进行综述,旨在为改善动力电池低温性能和对动力电池低温热管理技术的进一步研究提供指导。

关键词: 电动汽车, 锂离子电池, 低温性能, 加热技术, 热管理

Abstract: In view of the deterioration of power characteristics and the lowering of charging and discharging efficiencies in traction battery, hampering the further development of electric vehicles , the tests of charging , discharging and electrochemical impedance spectroscopy characteristics are carried out on traction batteries with different material systems and specifications to analyze the key factors affecting the low-temperature performances of Li-ion traction batteries on one hand, and a comprehensive preview is conducted on the current research progress in low-temperature heating technology from the angle of traction battery thermal management on the other hand, aiming at providing a guidance for improving the low-temperature performance and the further research on low-temperature thermal management technique of traction batteries.

Key words: electric vehicles, lithium-ion batteries, low temperature performances, heating techniques, thermal management