Nanostructure-Enhanced Phase Change Materials for Energy Storage

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Engineering for Energy Harvesting, Conversion, and Storage".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 2337

Special Issue Editors


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Guest Editor
Research Collaborator, TU Delft, Frederik Hendrikstraat, 2628 SX Delft, The Netherlands
Interests: phase change materials; energy storage; rheology of complex fluids; machine learning; multiphase flows
Department of Physical Science & Technology, School of Science, Wuhan University of Technology, Wuhan 430070, China
Interests: energy storage materials and devices; metal-ion batteries; nanomaterials synthesis; in-situ characterization for electrochemical energy storage

Special Issue Information

Dear Colleagues,

Latent heat storage (LHS) is one of the most promising pathways for thermal energy storage due to its high thermal energy storage density and its ability to operate at a nearly constant temperature. However, the thermal conductivity of the phase change materials used in latent heat storage (LHS) is low, which hampers the charging and discharging times. One way to overcome the low thermal conductivity of phase change materials is to suspend high conductive nanoparticles into the liquid phase of the phase change material, usually known as nanostructure-enhanced phase change materials (NePCM).

The concept of NePCM provides substantial challenges for its deployment in real-life applications. This Special Issue is dedicated to exploring different topics related to the development of NePCM, and its principal aims are the following:

  • Experimental characterization of the thermal performance of NePCM; 
  • Experimental measurement of the thermophysical properties of NePCM;
  • Numerical modelling of the solidification and melting process of NePCM; 
  • Potential industrial applications of NePCM;
  • Potential applications of NePCM in the renewable energy sector.

This Special Issue aims to present and disseminate the latest developments regarding Nanostructure-enhanced Phase Change Materials (NePCM) and their applications in different industrial sectors.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

We look forward to receiving your contributions.

Dr. Yousef El Hasadi
Dr. Xuanpeng Wang
Guest Editors

Manuscript Submission Information

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Keywords

  • PCM
  • numerical modeling
  • NEPCM
  • thermal storage
  • renewable energy
  • solidification and melting

Published Papers (1 paper)

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Research

19 pages, 1973 KiB  
Article
A Computational Study of Particle Mass Transport during Melting of NePCM in a Square Cavity with a Single Adiabatic Side
by Yousef M. F. El Hasadi
Coatings 2023, 13(4), 739; https://doi.org/10.3390/coatings13040739 - 5 Apr 2023
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Abstract
Nanostructured phase change materials (NePCM) are phase change materials that contain different types and sizes of colloidal I removed the word sizes particles. Many investigations in the literature assess those type of phase change materials to investigate their thermal performance. However, there is [...] Read more.
Nanostructured phase change materials (NePCM) are phase change materials that contain different types and sizes of colloidal I removed the word sizes particles. Many investigations in the literature assess those type of phase change materials to investigate their thermal performance. However, there is a discrepancy between the experimental observations and numerical results of the melting process of the NePCM because most numerical models do not count for the mass transfer of the particles. In the current work, we will investigate the melting process of NePCM that consists of copper nanoparticles suspended in water for the geometry of a square cavity, heated from the two sides, cooled from one side, and the remaining side is thermally insulated. Our numerical model will account for the mass transfer of the particles using a one-fluid mixture and the enthalpy porosity model for accounting for the phase change process. We found that adding the particles will lead to the deceleration of the melting process, as described by the experiments, because of the reduction of the convection intensity. We found that for NePCM suspension containing 10% of nanoparticles by mass, the deceleration of melting will be about 2.2% compared to pure water. Most of the particles are convected away by the flow cells toward the bottom side of the cavity, especially near the isolated right side of the cavity. Our findings indicate that incorporating mass transport of particles leads to a significantly improved prediction of the melting behavior of the NePCM. Full article
(This article belongs to the Special Issue Nanostructure-Enhanced Phase Change Materials for Energy Storage)
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