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Thermal conductivity enhancement of form-stable phase-change composites by milling of expanded graphite, micro-capsules and polyethylene

Author

Listed:
  • Wang, Xianglei
  • Guo, Quangui
  • Wang, Junzhong
  • Zhong, Yajuan
  • Wang, Liyong
  • Wei, Xinghai
  • Liu, Lang

Abstract

Structured form-stable phase change composites were prepared by wet milling and hot-compaction of microencapsulated phase change material (MPCM), expanded graphite (EG) and high density polyethylene (HDPE). In the composites, MPCM serves as a latent heat storage material, EG as a heat transfer promoting agent and HDPE as a matrix. Scanning electron microscope (SEM) characterization reveals that MPCM particles kept undamaged with a uniform dispersion in the composites. Thermal conductivity of the composites with 20 wt% EG loaded could be enhanced by 22 times compared to HDPE/MPCM composites without EG. And thermal conductivity of the composite could be increased by 10 times at a loading of 10 wt% EG.

Suggested Citation

  • Wang, Xianglei & Guo, Quangui & Wang, Junzhong & Zhong, Yajuan & Wang, Liyong & Wei, Xinghai & Liu, Lang, 2013. "Thermal conductivity enhancement of form-stable phase-change composites by milling of expanded graphite, micro-capsules and polyethylene," Renewable Energy, Elsevier, vol. 60(C), pages 506-509.
    • Handle: RePEc:eee:renene:v:60:y:2013:i:c:p:506-509
    DOI: 10.1016/j.renene.2013.05.038
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    References listed on IDEAS

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    5. Qu, Y. & Wang, S. & Zhou, D. & Tian, Y., 2020. "Experimental study on thermal conductivity of paraffin-based shape-stabilized phase change material with hybrid carbon nano-additives," Renewable Energy, Elsevier, vol. 146(C), pages 2637-2645.

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