期刊
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
卷 92, 期 -, 页码 893-903出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2015.09.052
关键词
Lithium ion battery; Thermal management; Heat pipe; Electric vehicle
资金
- Energy Market Authority Singapore [EPD090005RFP(A)]
Thermal management system is critical for the electric vehicles and hybrid electric vehicles. This is due to the narrow operating temperature range for lithium ion batteries to achieve a good balance between performance and life. In this study, heat pipes are incorporated into a thermal management system for prismatic or pouch cells. Design optimizations focusing on increasing the cooling capacity and improving temperature uniformity of the system are undertaken through sensitivity studies. Subsequently, empirical study is carried out to assess the thermal performance of the optimized design integrated with prismatic cells at the unit level and the battery pack level. The results confirm that the optimized heat pipe thermal management system is feasible and effective for fast charging lithium ion battery packs. A delay quench cooling strategy is also proposed to enhance the performance of the thermal management system. (C) 2015 Elsevier Ltd. All rights reserved.
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