Flexible composite phase change material with anti-leakage and anti-vibration properties for battery thermal management

Qiqiu Huang, Xinxi Li, Guoqing Zhang, Yongchun Kan, Canbing Li, Jian Deng and Changhong Wang

Applied Energy, 2022, vol. 309, issue C, No S0306261921016615

Abstract: From the assembly and application perspective, battery thermal management system with phase change material has been highly desirable but remains significant challenges, including phase change material leakage, high rigidity and low thermal conductivity. In this study, a novel anti-leakage and anti-vibration thermally induced flexible composite phase change material has proposed which is utilized Ethylene-Propylene-Diene Monomer to increase the crosslinking of styrene-butadienestyrene block copolymer, so as to improve the adsorption of paraffin. The results revealed that the mass retention rate of thermally induced flexible composite phase change material with 3 wt% Ethylene-Propylene-Diene Monomer and 5 wt% expanded graphite was still more than 99% after heating (60 °C, 10 h) condition. Besides, the maximum temperature of battery module with the flexible composite phase change materials can be still controlled below 50 °C at 1C discharge rate, the corresponding temperature difference was effectively maintained within 2 °C. With these prominent performances, the battery module with designed thermally induced flexible composite phase change material can provide insights into the passive thermal management and other energy storage fields.

Keywords: Composite phase change material; Thermal contact resistance; Thermal induced flexibility; Battery thermal management; Anti-leakage and anti-vibration properties (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (9)

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DOI: 10.1016/j.apenergy.2021.118434

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