期刊
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
卷 44, 期 9, 页码 7660-7673出版社
WILEY
DOI: 10.1002/er.5497
关键词
battery thermal management; phase change material; temperature equilibrium strategy
资金
- National Natural Science Foundation of China [51776218]
- Natural Science Foundation of Jiangsu Province [BK20190626]
The uniformity of temperature distribution is the key factor in heat transfer rate of battery thermal management. In this paper, the battery thermal management using phase change material based on temperature equilibrium strategy have been proposed, in order to get the temperature distribution of battery more uniform. The effects of equilibrium strategy and Rayleigh number are studied. When the Rayleigh numbers are 2.9 x 10(4), 1.2 x 10(5), 1.1 x 10(6), and 4.9 x 10(8), the temperature SDs applying the equilibrium strategy are reduced by -1.9%, 1.2%, 32.3%, and 14.4%, respectively. Besides, the corresponding complete melting times are reduced by 0.97%, 1.96%, 4.76%, and 1.58%. The equilibrium factor in equilibrium strategy is considered as well. It is noted that increasing the equilibrium factor is able to get the more uniform temperature distribution, resulting in the faster melting rate. When the equilibrium factors are 1, 4, and 6, the complete melting times are reduced by 1.58%, 50.0%, and 51.4%, respectively, improving the thermal performance of battery thermal management.
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