Experimental Investigation on Latent Thermal Energy Storages (LTESs) Based on Pure and Copper-Foam-Loaded PCMs

Falcone, Morena; Rehman, Danish; Dongellini, Matteo; Naldi, Claudia; Pulvirenti, Beatrice; Morini, Gian Luca

doi:10.3390/en15134894

Cited by 4 publications

(2 citation statements)

References 52 publications

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“…These technologies store energy until it is needed [109]. Various energy systems are available such as supercapacitors [110,111], batteries [112,113], flywheel [114,115], compressed air [116,117], thermal energy storage [118,119], pumped hydro [120], and others. Table 6 shows a comparison between the different storage systems, and Table 7 shows the largest energy storage systems installed around the globe.…”

Section: Energy Managementmentioning

confidence: 99%

Renewable Energy and Energy Storage Systems

et al. 2023

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The use of fossil fuels has contributed to climate change and global warming, which has led to a growing need for renewable and ecologically friendly alternatives to these. It is accepted that renewable energy sources are the ideal option to substitute fossil fuels in the near future. Significant progress has been made to produce renewable energy sources with acceptable prices at a commercial scale, such as solar, wind, and biomass energies. This success has been due to technological advances that can use renewable energy sources effectively at lower prices. More work is needed to maximize the capacity of renewable energy sources with a focus on their dispatchability, where the function of storage is considered crucial. Furthermore, hybrid renewable energy systems are needed with good energy management to balance the various renewable energy sources’ production/consumption/storage. This work covers the progress done in the main renewable energy sources at a commercial scale, including solar, wind, biomass, and hybrid renewable energy sources. Moreover, energy management between the various renewable energy sources and storage systems is discussed. Finally, this work discusses the recent progress in green hydrogen production and fuel cells that could pave the way for commercial usage of renewable energy in a wide range of applications.

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Section: Energy Managementmentioning

confidence: 99%

Renewable Energy and Energy Storage Systems

et al. 2023

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“…The current research focus is on improving the thermal conductivity of PCMs and strengthening their heat transfer capacity. The commonly used methods include adopting fin-tubes [2,3] and PCM microcapsules [4,5], adding metal rings and graphite [6,7], filling PCM into porous matrixes such as metal foams [8][9][10], and so on.…”

Section: Introductionmentioning

confidence: 99%

Influence of Copper Foam on the Thermal Characteristics of Phase Change Materials

et al. 2023

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The phase change material is a hot research topic in solar thermal storage systems. However, the thermal conductivity of pure phase change materials is usually low, which hinders its application in facilities. In this study, copper foam is used to increase the thermal characteristics of the paraffin. Simulations are conducted to compare the melting characteristics of the pure paraffin and the paraffin/copper foam composite phase change material. A visualized experimental device was designed and built, and the copper foam composite phase change material, with a volume fraction of 15%, was prepared by filling part of the copper foam in the phase change material. The simulation results agree well with the experimental results. The root mean square errors of the temperature for the pure paraffin and the composite phase change material are 0.0223 and 0.0179, respectively. The experimental results show that the copper foam can enhance thermal conductivity and decrease melting time. It takes 870 s for the composite phase change material to melt, which is 3.44% less than that of the pure paraffin. This study deepens the understanding of the composite phase change material and provides a reference for the design of thermal energy storage devices.

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A Numerical Analysis of the Thermal Energy Storage Based on Porous Gyroid Structure Filled with Sodium Acetate Trihydrate

2022

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The present paper deals with the evaluation of the unique design of the thermal energy storage unit and its impact on the overall heat exchange efficiency. The proposed thermal energy storage unit consists of a gyroid thermally conductive structure, the voids of which are filled with sodium acetate trihydrate. The presented concept is focused on the use in the field of heavy machinery, where it is possible to accumulate and re-use waste heat from internal combustion engines from the cooling liquid or lubricating products. The evaluation of designs took place through numerical simulations on three models characterized by different levels of the introduction of the gyroid structure into the design. From the design point of view, the gyroid structure was considered as an object produced by additive manufacturing methods from a thermally conductive filament based on a thermoplastic polymer, which enables considerable simplification of production compared to the use of suitable anti-corrosion metals. A comparison of the essential thermophysical parameters in the process of charging and discharging of the proposed thermal energy storage unit quantified a significant increase in the rate of the charging, respectively, of the discharging process, manifested by a rapid increase in the temperature of the sodium acetate trihydrate volume, respectively, of the output temperature of the heat transfer medium that removes the accumulated heat for further use.

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Experimental Investigation on Latent Thermal Energy Storages (LTESs) Based on Pure and Copper-Foam-Loaded PCMs

Cited by 4 publications

References 52 publications

Renewable Energy and Energy Storage Systems

Renewable Energy and Energy Storage Systems

Influence of Copper Foam on the Thermal Characteristics of Phase Change Materials

A Numerical Analysis of the Thermal Energy Storage Based on Porous Gyroid Structure Filled with Sodium Acetate Trihydrate

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