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Energies
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Advanced Thermal Energy Conversion and Management Technologies
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Advanced Thermal Energy Conversion and Management Technologies

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J: Thermal Management".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 14580

Special Issue Editors

Dr. Reza Behi

E-Mail Website
Guest Editor
1. Department of Energy Technology, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden
2. Institute of Photonics and Optical Science, School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
Interests: nanotechnology; sensors; nanofluidic; energy technology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Masud Behnia

E-Mail Website
Guest Editor
Department of Management, Macquarie Business School, Macquarie University, Balaclava Rd, Macquarie Park, NSW 2109, Australia
Interests: heat transfer and fluid dynamics; waste and energy management; thermal management
Dr. Hamidreza Behi

E-Mail Website
Guest Editor
Department of Electric Engineering and Energy Technology (ETEC), Mobility, Logistics and Automotive Technology Research Centre (MOBI), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussel, Belgium
Interests: thermal management; CFD; design engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute to an upcoming Special Issue entitled “Advanced Thermal Energy Conversion and Management Technologies” of Energies. This Special Issue is open to researchers and authors who want to submit their research and review articles in the area of applied energy conversion and management, biothermal engineering, and nanoscale energy transfer.

This Special Issue will deliver insights about how consolidated and advanced thermal management technologies can control and utilize excess energy in a broad range of industrial and non-industrial applications. This journal covers a variety of topics including energy generation, energy storage and transmission, energy management and conversion, fossil fuels, nuclear and renewable resources, waste utilization, and sustainability.

Dr. Reza Behi
Prof. Dr. Masud Behnia
Dr. Hamidreza Behi
Guest Editors

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. Energies 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

  • thermal management technologies
  • energy conversion
  • renewable energy technologies
  • power generation
  • phase change material
  • energy storage
  • thermal management of fuel cells and batteries
  • nanofluids
  • nanodispersions
  • biothermal engineering and applications

Published Papers (6 papers)

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Research

12 pages, 3601 KiB  
Article
Effects of Structural Substituents on the Electrochemical Decomposition of Carbonyl Derivatives and Formation of the Solid–Electrolyte Interphase in Lithium-Ion Batteries
by S. Hamidreza Beheshti, Mehran Javanbakht, Hamid Omidvar, Hamidreza Behi, Xinhua Zhu, Mesfin Haile Mamme, Annick Hubin, Joeri Van Mierlo and Maitane Berecibar
Energies 2021, 14(21), 7352; https://0-doi-org.brum.beds.ac.uk/10.3390/en14217352 - 04 Nov 2021
Cited by 5 | Viewed by 2087
Abstract
The solid–electrolyte interphase (SEI), the passivation layer formed on anode particles during the initial cycles, affects the performance of lithium-ion batteries (LIBs) in terms of capacity, power output, and cycle life. SEI features are dependent on the electrolyte content, as this complex layer [...] Read more.
The solid–electrolyte interphase (SEI), the passivation layer formed on anode particles during the initial cycles, affects the performance of lithium-ion batteries (LIBs) in terms of capacity, power output, and cycle life. SEI features are dependent on the electrolyte content, as this complex layer originates from electrolyte decomposition products. Despite a variety of studies devoted to understanding SEI formation, the complexity of this process has caused uncertainty in its chemistry. In order to clarify the role of the substituted functional groups of the SEI-forming compounds in their efficiency and the features of the resulting interphase, the performance of six different carbonyl-based molecules has been investigated by computational modeling and electrochemical experiments with a comparative approach. The performance of the electrolytes and stability of the generated SEI are evaluated in both half-cell and full-cell configurations. Added to the room-temperature studies, the cyclability of the NMC/graphite cells is assessed at elevated temperatures as an intensified aging condition. The results show that structural adjustments within the SEI-forming molecule can ameliorate the cyclability of the electrolyte, leading to a higher capacity retention of the LIB cell, where cinnamoyl chloride is introduced as a novel and more sustainable SEI forming agent with the potential of improving the LIB capacity retention. Full article
(This article belongs to the Special Issue Advanced Thermal Energy Conversion and Management Technologies)
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15 pages, 65746 KiB  
Article
A New Concept of Air Cooling and Heat Pipe for Electric Vehicles in Fast Discharging
by Hamidreza Behi, Theodoros Kalogiannis, Mahesh Suresh Patil, Joeri Van Mierlo and Maitane Berecibar
Energies 2021, 14(20), 6477; https://0-doi-org.brum.beds.ac.uk/10.3390/en14206477 - 10 Oct 2021
Cited by 16 | Viewed by 2161
Abstract
This paper presents the concept of a hybrid thermal management system (TMS) including natural convection, heat pipe, and air cooling assisted heat pipe (ACAH) for electric vehicles. Experimental and numerical tests are described to predict the thermal behavior of a lithium titanate oxide [...] Read more.
This paper presents the concept of a hybrid thermal management system (TMS) including natural convection, heat pipe, and air cooling assisted heat pipe (ACAH) for electric vehicles. Experimental and numerical tests are described to predict the thermal behavior of a lithium titanate oxide (LTO) battery cell in a fast discharging process (8C rate). Specifications of different cooling techniques are deliberated and compared. The mathematical models are solved by COMSOL Multiphysics® (Stockholm, Sweden), the commercial computational fluid dynamics (CFD) software. The simulation results are validated against experimental data with an acceptable error range. The results specify that the maximum cell temperatures for the cooling systems of natural convection, heat pipe, and ACAH reach 56, 46.3, and 38.3 °C, respectively. We found that the maximum cell temperature experiences a 17.3% and 31% reduction with the heat pipe and ACAH, respectively, compared with natural convection. Full article
(This article belongs to the Special Issue Advanced Thermal Energy Conversion and Management Technologies)
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14 pages, 2917 KiB  
Article
Examining Thermal Management Strategies for a Microcombustion Power Device
by Bhanuprakash Reddy Guggilla, Jack Perelman Camins, Benjamin Taylor and Smitesh Bakrania
Energies 2021, 14(19), 6322; https://0-doi-org.brum.beds.ac.uk/10.3390/en14196322 - 03 Oct 2021
Viewed by 1240
Abstract
Microcombustion attracts interest with its promise of energy dense power generation for electronics. Yet, challenges remain to develop this technology further. Thermal management of heat losses is a known hurdle. Simultaneously, non-uniformities in heat release within the reaction regions also affect the device [...] Read more.
Microcombustion attracts interest with its promise of energy dense power generation for electronics. Yet, challenges remain to develop this technology further. Thermal management of heat losses is a known hurdle. Simultaneously, non-uniformities in heat release within the reaction regions also affect the device performance. Therefore a combination of thermal management strategies are necessary for further performance enhancements. Here, a bench top platinum nanoparticle based microcombustion reactor, coupled with thermoelectric generators is used. Methanol-air mixtures achieve room temperature ignition within a catalytic cartridge. In the current study, the reactor design is modified to incorporate two traditional thermal management strategies. By limiting enthalpic losses through the exhaust and reactor sides, using multi-pass preheating channels and heat recirculation, expected improvements are achieved. The combined strategies doubled the power output to 1.01 W when compared to the previous design. Furthermore, a preliminary study of catalyst distribution is presented to mitigate non-uniform catalytic activity within the substrate. To do this, tailored distribution of catalyst particles was investigated. This investigation shows a proof-of-concept to achieve localized control, thus management, over heat generation within substrates. By optimizing heat generation, a highly refined combustion-based portable power devices can be envisioned. Full article
(This article belongs to the Special Issue Advanced Thermal Energy Conversion and Management Technologies)
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19 pages, 10708 KiB  
Article
Enhancement of the Thermal Energy Storage Using Heat-Pipe-Assisted Phase Change Material
by Hamidreza Behi, Mohammadreza Behi, Ali Ghanbarpour, Danial Karimi, Aryan Azad, Morteza Ghanbarpour and Masud Behnia
Energies 2021, 14(19), 6176; https://0-doi-org.brum.beds.ac.uk/10.3390/en14196176 - 28 Sep 2021
Cited by 27 | Viewed by 2525
Abstract
Usage of phase change materials’ (PCMs) latent heat has been investigated as a promising method for thermal energy storage applications. However, one of the most common disadvantages of using latent heat thermal energy storage (LHTES) is the low thermal conductivity of PCMs. This [...] Read more.
Usage of phase change materials’ (PCMs) latent heat has been investigated as a promising method for thermal energy storage applications. However, one of the most common disadvantages of using latent heat thermal energy storage (LHTES) is the low thermal conductivity of PCMs. This issue affects the rate of energy storage (charging/discharging) in PCMs. Many researchers have proposed different methods to cope with this problem in thermal energy storage. In this paper, a tubular heat pipe as a super heat conductor to increase the charging/discharging rate was investigated. The temperature of PCM, liquid fraction observations, and charging and discharging rates are reported. Heat pipe effectiveness was defined and used to quantify the relative performance of heat pipe-assisted PCM storage systems. Both experimental and numerical investigations were performed to determine the efficiency of the system in thermal storage enhancement. The proposed system in the charging/discharging process significantly improved the energy transfer between a water bath and the PCM in the working temperature range of 50 °C to 70 °C. Full article
(This article belongs to the Special Issue Advanced Thermal Energy Conversion and Management Technologies)
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15 pages, 2341 KiB  
Article
Experimental Studies of the Influence of Microencapsulated Phase Change Material on Thermal Parameters of a Flat Liquid Solar Collector
by Krzysztof Dutkowski, Marcin Kruzel and Tadeusz Bohdal
Energies 2021, 14(16), 5135; https://0-doi-org.brum.beds.ac.uk/10.3390/en14165135 - 19 Aug 2021
Cited by 9 | Viewed by 1416
Abstract
The article presents the results of preliminary research aimed at determining the possibility of using microencapsulated phase change material (mPCM) slurries as a working fluid in installations with a flat liquid solar collector. In the tests, the following were used as the working [...] Read more.
The article presents the results of preliminary research aimed at determining the possibility of using microencapsulated phase change material (mPCM) slurries as a working fluid in installations with a flat liquid solar collector. In the tests, the following were used as the working fluid: water (reference liquid) and 10% wt. and 20% wt. of an aqueous solution of the product under the trade name MICRONAL® 5428 X. As the product contained 43% mPCM, the mass fraction of mPCM in the working liquid was 4.3% and 8.6%, respectively. The research was carried out in laboratory conditions in the range of irradiance I = 250–950 W/m2. Each of the three working fluids flowed through the collector in the amount of 20 kg/h, 40 kg/h, and 80 kg/h. The working fluid was supplied to the collector with a constant temperature Tin = 20 ± 0.5 °C. It was found that the temperature of the working fluid at the collector outlet increases with the increase in the radiation intensity, but the temperature achieved depended on the type of working fluid. The greater the share of mPCM in the working liquid, the lower the temperature of the liquid leaving the solar collector. It was found that the type of working fluid does not influence the achieved thermal power of the collector. The negative influence of mPCM on the operation of the solar collector was not noticed; the positive aspect of using mPCM in the solar installation should be emphasized—the reduced temperature of the medium allows the reduction in heat losses to the environment from the installation, especially in a low-temperature environment. Full article
(This article belongs to the Special Issue Advanced Thermal Energy Conversion and Management Technologies)
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15 pages, 3477 KiB  
Article
Comprehensive Passive Thermal Management Systems for Electric Vehicles
by Hamidreza Behi, Danial Karimi, Rekabra Youssef, Mahesh Suresh Patil, Joeri Van Mierlo and Maitane Berecibar
Energies 2021, 14(13), 3881; https://0-doi-org.brum.beds.ac.uk/10.3390/en14133881 - 28 Jun 2021
Cited by 46 | Viewed by 3616
Abstract
Lithium-ion (Li-ion) batteries have emerged as a promising energy source for electric vehicle (EV) applications owing to the solution offered by their high power, high specific energy, no memory effect, and their excellent durability. However, they generate a large amount of heat, particularly [...] Read more.
Lithium-ion (Li-ion) batteries have emerged as a promising energy source for electric vehicle (EV) applications owing to the solution offered by their high power, high specific energy, no memory effect, and their excellent durability. However, they generate a large amount of heat, particularly during the fast discharge process. Therefore, a suitable thermal management system (TMS) is necessary to guarantee their performance, efficiency, capacity, safety, and lifetime. This study investigates the thermal performance of different passive cooling systems for the LTO Li-ion battery cell/module with the application of natural convection, aluminum (Al) mesh, copper (Cu) mesh, phase change material (PCM), and PCM-graphite. Experimental results show the average temperature of the cell, due to natural convection, Al mesh, Cu mesh, PCM, and PCM-graphite compared with the lack of natural convection decrease by 6.4%, 7.4%, 8.8%, 30%, and 39.3%, respectively. In addition, some numerical simulations and investigations are solved by COMSOL Multiphysics®, for the battery module consisting of 30 cells, which is cooled by PCM and PCM-graphite. The maximum temperature of the battery module compared with the natural convection case study is reduced by 15.1% and 17.3%, respectively. Moreover, increasing the cell spacing in the battery module has a direct effect on temperature reduction. Full article
(This article belongs to the Special Issue Advanced Thermal Energy Conversion and Management Technologies)
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