Experimental Study of Temperature Control Based on Composite Phase Change Materials during Charging and Discharging of Battery
作者机构:School of Automotive and Traffic EngineeringJiangsu UniversityZhenjiang212013China
出 版 物:《Journal of Thermal Science》 (热科学学报(英文版))
年 卷 期:2024年第33卷第2期
页 面:578-590页
核心收录:
学科分类:0808[工学-电气工程] 08[工学] 0807[工学-动力工程及工程热物理] 0802[工学-机械工程]
主 题:phase change material expanded graphite thermal management system effective control time
摘 要:This study is to utilize the heat-absorbing and releasing capabilities of phase change materials(PCM)to regulate the surface temperature fluctuations of batteries during charging and *** goal is to keep the battery within the optimal operating temperature *** impact of PCM thickness and phase change temperature on battery temperature is investigated by encircling a cylindrical battery with a PCM *** improve the thermal conductivity of PCM,expanded graphite(EG) is added to make a composite phase change material(CPCM),and the effects of various EG mass ratios on battery surface temperature and CPCM utilization level are *** findings indicate that increasing PCM thickness effectively extends temperature control time,but its impact is *** difference in phase change temperature of PCM controls the battery temperature in different temperature *** phase change temperatures are unsuitable for controlling battery temperature in high temperature *** addition of EG enhances the thermal conductivity of PCM,leading to further control of battery *** results show that the addition of 6%(mass ratio) EG to CPCM extends the effective temperature control time by 11 min and improves by 28% compared to a single *** CPCM utilization is also more satisfactory and achieved a balance between heat storage and thermal conductivity in a battery thermal management system(BTMS) based on PCM.