Composite phase change materials for thermal energy storage: From molecular modelling based formulation to innovative manufacture

Chuan Li, Qi Li, Yanqi Zhao, Lin Cong, Zhu Jiang, Yongliang Li, Yulong Ding*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)
202 Downloads (Pure)


Thermal energy storage (TES) has a crucial role to play in conserving and efficiently utilising energy, dealing with mismatch between demand and supply, and enhancing the performance and reliability of our current energy systems. A competitive TES technology requires a number of scientific and technological challenges to be addressed including TES materials, TES components and devices, and integration of TES devices with energy networks and associated dynamic optimization. This paper concerns mainly about TES materials challenges with a specific focus on using shape stable composite phase change materials (CPCMs) for medium and high temperature application. The paper first briefly reviews the state-of-the-art development of materials research for thermal energy storage. The focus is then on CPCMs for medium to high temperatures applications, covering materials screening, formulation based on molecular modelling validated at a different length scale through experiments, formulation based on chemical and physical compatibility, and manufacture of material modules via innovative use of conventional powder technology. The properties of the materials and materials modules are characterised and analysed with an aim to establish property-structure relationships. This includes a particularly interesting aspect of the motion of PCM and nanoscale objects with the PCMs for heat transfer enhancement during thermal cycling, which explains the mechanisms of the encapsulation of PCMs in the composite.

Original languageEnglish
Pages (from-to)4510-4516
Number of pages7
JournalEnergy Procedia
Publication statusPublished - 1 Feb 2019
Event10th International Conference on Applied Energy, ICAE 2018 - Hong Kong, China
Duration: 22 Aug 201825 Aug 2018


  • Composite phase change materials
  • High temperature
  • Manufacture
  • Medium
  • Microstructural characteristics
  • Thermal energy storage

ASJC Scopus subject areas

  • Energy(all)


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