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Properties and Applications of Phase Change Materials
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Properties and Applications of Phase Change Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 3507

Special Issue Editor

Dr. Huan Liu

E-Mail Website
Guest Editor
State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
Interests: energy storage materials; special engineering polymers

Special Issue Information

Dear Colleagues,

Phase change materials (PCMs) are a class of thermal energy storage materials that can absorb and release a large amount of latent heat while maintaining nearly constant temperature. Due to their high energy storage density and capability, PCMs have been widely used in thermal energy storage and temperature-management systems, such as solar thermal energy storage, waste heat recovery, energy-saving buildings, the temperature regulation of smart fibers and textiles, the thermal comfort of vehicles, the thermal buffering of Li-ion batteries and supercapacitors, and cool storage for pharmaceutical products. Moreover, the smart design of PCMs with functional materials not only leads to PCMs with good thermal properties, but also allows the application of  PCMs to more advanced applications in various scientific fields, including antibiosis, UV shielding, magnetic–thermal conversion, electrochemical energy storage, drug release, photoluminescence, and gamma radiation shielding. The research continues to be explored for the target design of high-performance and multiple-application of PCMs. This Special Issue of Materials titled “Properties and Applications of Phase Change Materials” aims to provide a devoted platform to cover the recent advances and findings in this area of research. The scope of this Special Issue includes material design and synthesis, properties, and applications of PCMs. Various formats of original articles, including communications, full papers, and reviews, are welcome. Potential research areas may include (but are not limited to) the following:

  • Phase change slurries for thermal energy storage and release;
  • Nanoparticle dispersed PCMs for thermal performance enhancement;
  • Thermophysical properties of composite PCMs with porous structures;
  • Micro- and nano-encapsulated PCMs with enhanced thermal properties;
  • Solid–solid PCMs for thermal management and their applications;
  • Numerical analysis of PCMs regarding heat transfer and energy storage efficiency;
  • Diversity design of advanced multifunctional composite PCMs;
  • Smart utilization of PCMs.

Dr. Huan Liu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • phase change materials
  • phase change slurries
  • phase change nano/microcapsules
  • porous structure
  • thermal energy storage and release
  • heat transfer
  • numerical analysis
  • thermal properties
  • performance enhancement
  • applications

Published Papers (2 papers)

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Research

17 pages, 6752 KiB  
Article
Multifunctional BiOI/SiO2/Fe3O4@n-Docosane Phase-Change Microcapsules for Waste Heat Recovery and Wastewater Treatment
by Jianwei Jing, Huan Liu and Xiaodong Wang
Materials 2023, 16(4), 1656; https://doi.org/10.3390/ma16041656 - 16 Feb 2023
Cited by 5 | Viewed by 1542
Abstract
Waste heat and organic contaminants are significant issues in water pollution, which has caused ecological problems and threatened human health. To provide an effective solution for wastewater recovery, we designed a novel type of multifunctional phase-change microcapsule. This type of microcapsule was synthesized [...] Read more.
Waste heat and organic contaminants are significant issues in water pollution, which has caused ecological problems and threatened human health. To provide an effective solution for wastewater recovery, we designed a novel type of multifunctional phase-change microcapsule. This type of microcapsule was synthesized using n-docosane as a core and a SiO2/Fe3O4 composite as a base shell through in situ interfacial polycondensation with the assistance of a Fe3O4 nanoparticle as a Pickering emulsion stabilizer, followed by the deposition of BiOI nanosheets on the surface of the SiO2/Fe3O4 composite shell. Benefiting from the n-docosane core, the resultant microcapsules obtained phase-change enthalpies of 46.8–115.7 J/g for absorbing waste heat from wastewater. The deposited BiOI nanosheets promoted photocatalysis for the microcapsules to degrade organic contaminants in wastewater. Owing to the magnetic response of the Fe3O4 nanoparticles, the separability and recyclability of the microcapsules were improved significantly by magnetic separation. Moreover, the microcapsules demonstrate outstanding phase-change reversibility, thermal cycling stability, and shape stability due to the tight SiO2/Fe3O4 composite shell. This study provides a promising approach for designing and developing multifunctional phase-change microcapsules for waste heat recovery and wastewater treatment. Full article
(This article belongs to the Special Issue Properties and Applications of Phase Change Materials)
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26 pages, 6359 KiB  
Article
Experimental Analysis of Nano-Enhanced Phase-Change Material with Different Configurations of Heat Sinks
by Hamza Fayyaz, Abid Hussain, Imran Ali, Hanzla Shahid and Hafiz Muhammad Ali
Materials 2022, 15(22), 8244; https://doi.org/10.3390/ma15228244 - 20 Nov 2022
Cited by 4 | Viewed by 1529
Abstract
The demand for high-performance and compact electronic devices has been increasing day by day. Due to their compactness, excessive heat is generated, causing a decrease in efficiency and life. Thermal management of electronic components is crucial for maintaining excessive heat within the limit. [...] Read more.
The demand for high-performance and compact electronic devices has been increasing day by day. Due to their compactness, excessive heat is generated, causing a decrease in efficiency and life. Thermal management of electronic components is crucial for maintaining excessive heat within the limit. This experimental research focuses on the combined effect of nano-enhanced phase-change material (NePCM) with different configurations of heat sinks for cooling electronic devices. Multi-walled carbon nanotubes (MWCNTs) are used as nanoparticles with concentrations of 3 wt% and 6 wt%, RT-42 as the phase-change material (PCM), and aluminum as the pin fin heat sink material. Different configurations of the heat sink, such as circular, square, and triangular pin fins, are used against the fixed volume fraction of the fins. It is found that the square configuration has the highest heat transfer with and without PCM. A maximum base temperature reduction of 24.01% was observed in square pin fins with RT-42 as PCM. At 6 wt% of NePCM, the maximum base temperature lessened by 25.83% in the case of a circular pin fin. It is concluded from the results that a circular pin fin with NePCM is effective for base temperature reduction, and all fin configurations with NePCM collectively reduce the heat sink base temperature. Full article
(This article belongs to the Special Issue Properties and Applications of Phase Change Materials)
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