期刊
CASE STUDIES IN THERMAL ENGINEERING
卷 28, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.csite.2021.101539
关键词
Lithium-ion batteries; Phase change material; Nanofluid; Metal foam; Thermal management; Alternating magnetic field
This paper introduces a novel battery thermal management system composed of metal foam-paraffin PCM composite, nanofluid cooling, and heat sink, all under the influence of a magnetic field. Experimental simulations using a battery surrogate were conducted to study the effects of different conditions on paraffin wax melting and maximum battery temperature, resulting in a significantly improved hybrid BTMS with efficient heat dissipation.
Lithium-ion batteries' dependability, efficiency, and security significantly rely on thermal management systems. This paper aims to design a novel battery thermal management system consisting of metal foam-paraffin PCM composite, nanofluid cooling, and heat sink, which all were subjected to a magnetic field. The battery surrogate was utilized to experimentally simulate the battery heat generation, where the occurrence of the thermal runaway was considered as the most crucial criterion for battery performance. The combined effect of various conditions on the paraffin wax melting process and maximum battery temperature was also investigated. Furthermore, the battery's temperature uniformity was also measured in the presence and absence of porous media. Compared to the base case, the maximum temperature of the battery in the best scenario was reduced by about 7.5 degrees C, while the working time of the system is increased by 179% at Re = 1250. Likewise, this improvement on battery cooling was 151% when the Reynolds number was 890. Further, the temperature difference of the proposed hybrid battery thermal management system (BTMS) was mainly below 4 degrees C. The experimental results revealed that the proposed hybrid BTMS has a striking cooling effect on eliminating the generated battery's heat and transferring it to the surrounding environment.
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