A Battery Thermal Management System Coupling High-Stable Phase Change Material Module with Internal Liquid Cooling

Chongmao Mo, Guoqing Zhang, Xiaoqing Yang, Xihong Wu and Xinxi Li ()
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Chongmao Mo: School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
Guoqing Zhang: School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
Xiaoqing Yang: School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
Xihong Wu: School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
Xinxi Li: School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China

Energies, 2022, vol. 15, issue 16, 1-15

Abstract: In this work, we develop a hybrid battery thermal management (BTM) system for a 7 × 7 large battery module by coupling an epoxy resin (ER)-enhanced phase change material (PCM) module with internal liquid cooling (LC) tubes. The supporting material of ER greatly enhances the thermal stability and prevents PCM leakage under high-temperature environments. In addition, the other two components of paraffin and expanded graphite contribute a large latent heat of 189 J g −1 and a high thermal conductivity of 2.2 W m −1 K −1 to the PCM module, respectively. The LC tubes can dissipate extra heat under severe operating conditions, demonstrating effective secondary heat dissipation and avoiding heat storage saturation of the module. Consequently, during the charge-discharge tests under a 40 °C ambient temperature, the temperature of the PCM-LC battery module could be maintained below 40.48, 43.56, 45.38 and 47.61 °C with the inlet water temperature of 20, 25, 30 and 35 °C, respectively. During the continuous charge-discharge cycles, the temperature could be maintained below ~48 °C. We believe that this work contributes a guidance for designing PCM-LC-based BTM systems with high stability and reliability towards large-scale battery modules.

Keywords: phase change material; liquid cooling; battery thermal management; secondary heat dissipation; thermal conductivity (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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