Thermal management analysis of new liquid cooling of a battery system based on phase change material and thermoelectric cooler

被引：29

作者：

Pakrouh, R. ^{[1
]}

Ranjbar, A. A. ^{[1
]}

Hosseini, M. J. ^{[2
]}

Rahimi, M. ^{[2
]}

机构：

[1] Babol Univ Technol, Sch Mech Engn, Babol, Iran

[2] Golestan Univ, Fac Engn, Dept Mech Engn, Gorgan, Iran

来源：

APPLIED THERMAL ENGINEERING | 2023年 / 231卷

关键词：

Battery thermal management; Phase change material; Thermoelectric; Coefficient of performance; ELECTRIC VEHICLE; HEAT; PERFORMANCE; PCM; FIN;

D O I：

10.1016/j.applthermaleng.2023.120925

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The crisis of global warming and environmental pollution has led to the development of electric cars in recent decades. Meanwhile, designing a suitable cooling system for the battery is one of the ways to improve the performance of the electric vehicles. The present work experimentally introduces and examines a new type of liquid cooling system based on the combination of phase change materials (PCM) and thermoelectric cooler (TEC). The battery simulator pack is cooled by water and the heat of water is absorbed by the TEC. In this work, unlike previous works, PCM is used as a passive method to control the temperature of the hot side of the TEC. The effect of fluid flow rate, number and electric power of the TEC as well as the types of the PCM (RT35 & RT50) on the system performance have been investigated. In a certain electric power, by changing the number of modules, the voltage is regulated in such a way that the input electric power remains constant. Results showed that increasing flow rate, TECs number and input electrical power decreases the battery pack temperature. However, improvement of the coefficient of performance have a direct relationship with the water flow rate and the TECs number and it is inversely related to the input power. It was also observed that in the same conditions, RT35 keeps the battery pack at a lower temperature than RT50 due to its lower phase change temperature. However, RT35 has higher COPw but lower COPc than RT50. Because the temperature of the battery pack and COP both play a decisive role in designing a cooling system, with the simultaneous application of two limits of TBPS < 40 & DEG;C and COPw > 2, 3TEC/P2 mode exhibits the best performance in the present work with COPc = 6.7, COPw = 2.14 and TBPS = 34.7 & DEG;C.

引用

页数：16

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