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Applied Sciences
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Advances in Materials for Thermal Energy Storage
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Advances in Materials for Thermal Energy Storage

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 1735

Special Issue Editor

Dr. Vincenza Brancato

E-Mail Website
Guest Editor
Consiglio Nazionale delle Ricerche—Istituto di Tecnologie Avanzate per l’Energia “Nicola Giordano”, 98126 Messina, Italy
Interests: materials engineering; energy systems; conversion and storage of thermal energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The reduction in greenhouse gas emissions is a priority in the energy research field today, and substitution of fossil fuel with renewable energy sources seems to be crucial. Nevertheless, the mismatch between solar energy supply and demand must be overcome using energy storage systems. Storage technology can be based on sensible, latent, or thermochemical heat. In such a scenario, research on materials used in thermal energy storage systems represents a priority. Optimized material permits increasing volumetric energy storage capacity and improving the performance of storage systems. The aim of this Special Issue is to collect papers on the development, improvement, and enhancement of materials for thermal energy storage.

Dr. Vincenza Brancato
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. Applied Sciences 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 2400 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

  • thermal energy storage
  • sensible heat
  • latent heat
  • thermochemical heat
  • material sciences

Published Papers (2 papers)

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Research

16 pages, 6396 KiB  
Article
Numerical Study of a Latent Heat Storage System’s Performance as a Function of the Phase Change Material’s Thermal Conductivity
by Maxim Belinson and Dominic Groulx
Appl. Sci. 2024, 14(8), 3318; https://0-doi-org.brum.beds.ac.uk/10.3390/app14083318 - 15 Apr 2024
Viewed by 499
Abstract
The thermal conductivities of most commonly used phase change materials (PCMs) are typically fairly low (in the range of 0.2 to 0.4 W/m·K) and are an important consideration when designing latent heat energy storage systems (LHESSs). Because of that, material scientists have been [...] Read more.
The thermal conductivities of most commonly used phase change materials (PCMs) are typically fairly low (in the range of 0.2 to 0.4 W/m·K) and are an important consideration when designing latent heat energy storage systems (LHESSs). Because of that, material scientists have been asking the following question: “by how much does the thermal conductivity of a PCM needs to be increased to positively impact the design and performance of a LHESS?” The answer to this question is not straightforward as the performance of a LHESS depends on the PCM’s thermal conductivity, other PCM thermophysical properties, the type of heat exchange system geometry used, the mode of operation, and the targeted power/energy storage of the LHESS. This paper presents work related to this question through a numerical study based on a simplified 2D model of an experimental setup studied previously in the authors’ laboratory. A model created in COMSOL Multiphysics, based on conduction and accounting for the solid-liquid phase change process, was initially validated against experimental results and then used to study the impact of the PCM’s thermal conductivity (dodecanoic acid) on the discharging power of the LHESS. The results show that even increasing the thermal conductivity of the PCM by a factor of 50 only leads to a maximum instantaneous power increase by a factor of 2 or 3 depending on the LHESS configurations. Full article
(This article belongs to the Special Issue Advances in Materials for Thermal Energy Storage)
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17 pages, 4650 KiB  
Article
Development of a Bio-Inspired TES Tank for Heat Transfer Enhancement in Latent Heat Thermal Energy Storage Systems
by Luisa F. Cabeza, Saranprabhu Mani Kala, Gabriel Zsembinszki, David Vérez, Sara Risco Amigó and Emiliano Borri
Appl. Sci. 2024, 14(7), 2940; https://0-doi-org.brum.beds.ac.uk/10.3390/app14072940 - 30 Mar 2024
Viewed by 894
Abstract
Thermal energy storage (TES) systems play a very important part in addressing the energy crisis. Therefore, numerous researchers are striving to improve the efficiency of TES tanks. The TES technology has the potential to reach new heights when the biological behavior of nature [...] Read more.
Thermal energy storage (TES) systems play a very important part in addressing the energy crisis. Therefore, numerous researchers are striving to improve the efficiency of TES tanks. The TES technology has the potential to reach new heights when the biological behavior of nature is incorporated into the design of TES tanks. By mimicking the branched vein pattern observed in plants and animals, the heat transfer fluid (HTF) tube of a TES tank can enhance the heat transfer surface area, hence improving its thermal efficiency without the need to add other enhancements of heat transfer methods. Accordingly, in this study, a unique additive-manufacturing-based bio-inspired TES tank was designed, developed, and tested. A customized testing setup was used to assess the bio-inspired TES tank’s thermal performance. A comparison was made between the bio-inspired TES tank and a conventional shell-and-tube TES tank. The latent TES system’s thermal performance was significantly enhanced by the biomimetic approach for the design of a TES tank, even before the optimization of its design. The results showed that, compared to the shell-and-tube TES tank, the bio-inspired TES tank had a higher discharging rate and needed 52% less time to release the stored heat. Full article
(This article belongs to the Special Issue Advances in Materials for Thermal Energy Storage)
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