Energy Storage Science and Technology ›› 2019, Vol. 8 ›› Issue (5): 915-921.doi: 10.12028/j.issn.2095-4239.2019.0030

Previous Articles     Next Articles

Numerical investigation on integrated thermal management for lithiumion battery pack with phase change material and liquid cooling

AN Zhiguo, CHEN Xing, ZHAO Lin   

  1. Department of Mechanical and Vehicle Engineering, Jiaotong University, Chongqing 400074, China
  • Received:2019-03-07 Revised:2019-04-11 Online:2019-09-01 Published:2019-04-12

Abstract: A novel phase change material based thermal management system coupled with liquid cooling was proposed in order to sustain the temperature rise and distribution within desirable ranges of the lithium-ion battery under 3C discharge rate. A numerical study was conducted to investigate the effects of water flow rate, channel arrangement, the fin width of aluminum frame and ambient temperature on the thermal behavior of the integrated thermal management system. The results showed that increasing the water flow rate can optimize the heat dissipation of the battery pack, but when the flow rate is greater than 0.08 m/s, the increase of the flow rate has no obvious improvement for the integrated thermal management system. Under different water flow rate, Type I cooling mode showed the best performance and met the request of thermal dissipation completely; The maximum temperature of the battery pack can be further reduced 1.6℃ by the integrated thermal management system with fin width of 2 mm; when the ambient temperature from 38℃ to 42℃, the thermal stability of the integrated system was obviously better than that of the liquid cooling system.

Key words: lithium-ion battery pack, phase change material, thermal management, liquid cooling

CLC Number: