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Volume 16
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Article

A Low-Density Polyethylene-Reinforced Ternary Phase-Change Composite with High Thermal Conductivity for Battery Thermal Management

by
Yueliang Yu
1,†,
Hongmei Qin
1,†,
Shusen Ran
1,
Jinhui Song
1,
Wenlai Xia
1,
Shan Wang
1,2,* and
Chuanxi Xiong
1,2,*
1
School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
2
Hubei Engineering Research Center for Green Precision Material Forming, Wuhan 430070, China
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Energies 2023, 16(9), 3838; https://doi.org/10.3390/en16093838
Submission received: 23 March 2023 / Revised: 16 April 2023 / Accepted: 27 April 2023 / Published: 29 April 2023
(This article belongs to the Special Issue Phase Change Materials: The Ideal Solution for Thermal Management)
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Abstract

Paraffin phase change materials (PCMs) exhibit great potential in battery thermal management (BTM); nevertheless, their application has been hampered by the handicap of low thermal conductivity, leakage, and volume expansion during phase transition. In this work, ternary composite PCMs formed of paraffin, expanded graphite (EG), and low-density polyethylene (LDPE) were developed for application in BTM. The structure and properties of the composite PCMs were characterized via X-ray diffraction, scanning electron microscopy, differential scanning calorimetry, and thermal constant analysis. The result shows that EG can form a large-size graphite frame as heat conduction paths to improve the thermal conductivity of the composite PCM, and LDPE can form an interpenetrating network within the composite PCM to resist the internal stress of paraffin expansion and prevent deformation. The latent heat and thermal conductivity of the composite PCMs loaded with 10 wt% EG and 4 wt% LDPE can reach 172.06 J/g and 3.85 Wm−1K−1 with a relatively low leakage ratio of 6.2 wt%. Remarkably, the composite PCMs could reduce the temperature rise of the battery by 55.1%. In brief, this work provides a feasible route to develop high-performance PCMs for BTM.
Keywords: phase change material; paraffin; expanded graphite; low-density polyethylene; thermal conductivity; battery thermal management phase change material; paraffin; expanded graphite; low-density polyethylene; thermal conductivity; battery thermal management

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MDPI and ACS Style

Yu, Y.; Qin, H.; Ran, S.; Song, J.; Xia, W.; Wang, S.; Xiong, C. A Low-Density Polyethylene-Reinforced Ternary Phase-Change Composite with High Thermal Conductivity for Battery Thermal Management. Energies 2023, 16, 3838. https://doi.org/10.3390/en16093838

AMA Style

Yu Y, Qin H, Ran S, Song J, Xia W, Wang S, Xiong C. A Low-Density Polyethylene-Reinforced Ternary Phase-Change Composite with High Thermal Conductivity for Battery Thermal Management. Energies. 2023; 16(9):3838. https://doi.org/10.3390/en16093838

Chicago/Turabian Style

Yu, Yueliang, Hongmei Qin, Shusen Ran, Jinhui Song, Wenlai Xia, Shan Wang, and Chuanxi Xiong. 2023. "A Low-Density Polyethylene-Reinforced Ternary Phase-Change Composite with High Thermal Conductivity for Battery Thermal Management" Energies 16, no. 9: 3838. https://doi.org/10.3390/en16093838

APA Style

Yu, Y., Qin, H., Ran, S., Song, J., Xia, W., Wang, S., & Xiong, C. (2023). A Low-Density Polyethylene-Reinforced Ternary Phase-Change Composite with High Thermal Conductivity for Battery Thermal Management. Energies, 16(9), 3838. https://doi.org/10.3390/en16093838

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