Recent advances in thermophysical properties enhancement of phase change materials for thermal energy storage

This review provides an intensive overview of flame retardant coating systems. The occurrence of flame due to thermal degradation of the polymer substrate as a result of overheating is one of the major concerns. Hence, coating is the best solution to this problem as it prevents the substrate from igniting the flame. In this review, the descriptions of several classifications of coating and their relation to thermal degradation and flammability were discussed. The details of flame retardants and flame retardant coatings in terms of principles, types, mechanisms, and properties were explained as well. This overview imparted the importance of intumescent flame retardant coatings in preventing the spread of flame via the formation of a multicellular charred layer. Thus, the intended intumescence can reduce the risk of flame from inherently flammable materials used to maintain a high standard of living.

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“… Objective of inorganic fillers in flame retardant coatings [ 87 , 240 , 241 , 242 , 243 , 244 , 245 , 246 , 247 ]. …”

Section: Figurementioning

confidence: 99%

Flame Retardant Coatings: Additives, Binders, and Fillers

et al. 2022

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“…Under supercooling, the onset of solidification is delayed, and the liquid solidifies at a temperature under its freezing temperature, causing a lag between the design and the real behavior of the considered PCM. Likewise, in case of ignorance or overestimation of supercooling, experimentation and numerical simulation exhibit a time lag [70,71]. Figure 9 illustrates the supercooling of a PCM [72].…”

Section: Temperaturementioning

confidence: 99%

A State of the Art Review on Sensible and Latent Heat Thermal Energy Storage Processes in Porous Media: Mesoscopic Simulation

et al. 2022

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Sharing renewable energies, reducing energy consumption and optimizing energy management in an attempt to limit environmental problems (air pollution, global warming, acid rain, etc.) has today become a genuine concern of scientific engineering research. Furthermore, with the drastic growth of requirements in building and industrial worldwide sectors, the need for proper techniques that allow enhancement in the thermal performance of systems is increasingly being addressed. It is worth noting that using sensible and latent heat storage materials (SHSMs and phase change materials (PCMs)) for thermal energy storage mechanisms can meet requirements such as thermal comfort in buildings when selected correctly. However, as the operating temperature changes, a series of complex technical issues arise, such as heat transfer issues, leaks, corrosion, subcooling, supercooling, etc. This paper reviews the most recent research advances in the area of sensible and latent heat storage through the porous media as potential technology while providing useful information for researchers and engineers in the energy storage domain. To this end, the state and challenges of PCMs incorporation methods are drawn up, and an updated database of various research is provided while discussing the conclusions concerning the sensible and latent heat storage in porous media, their scopes of application and impact on energy consumption. In the light of this non-exhaustive review, it turns out that the adoption of porous matrices improves the thermal performance of systems, mitigates energy consumption and drops CO2 emissions while ensuring thermal comfort within buildings. In addition, at the representative elementary volume (REV) and pore scales, the lattice Boltzmann method (LBM) is examined as an alternative method to the commonly used, traditional numerical methods. These two approaches are compared based on results available in the literature. Through these means, their ability to handle latent and sensible heat storage process in a porous medium is demonstrated. To sum up, to be more complete, perspectives of sensible and latent energy storage technologies are covered.

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“…The 0D nanoparticles are widely used due to good dispersion, appropriate homogeneity, excellent interface interaction, and enormous specific surface region. Also, these 0D nanoparticles possess high thermal conductivity where only a minor fraction of addition can considerably escalate the thermal conductivity of the PCMs 5 . As 0D additives, metal and metal oxide nanoparticles are most frequently used.…”

Section: Introductionmentioning

confidence: 99%

Development of nano‐enhanced phase change materials using manganese dioxide nanoparticles obtained through green synthesis

et al. 2022

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The current paper summarizes the development of nano‐enhanced phase change materials (NPCMs) using capric acid (CA) and manganese dioxide (α‐MnO2) nanoparticles. The nanoparticles were obtained by the green synthesis technique using the leaves of Ficus retusa plant. The obtained nanoparticles were used in 1%, 2%, and 3% weight fractions in the nano‐formulations. The field‐emission scanning electron microscopy (FESEM) was employed to confirm the morphological structure and energy‐dispersive X‐ray (EDX) spectroscopy was used for the elemental analysis of the synthesized nanoparticles. The crystallographic studies were done using X‐ray diffraction (XRD) spectroscopy. The Fourier‐transform infrared (FT‐IR) spectroscopy results showed that the insertion of nanoparticles did not disturb the chemical configuration of CA. The differential scanning calorimetry (DSC) analysis revealed that the developed nanocomposites had excellent thermal energy storage capability that lay within the range of 145–164 kJ/kg. Five hundred extended thermal cycles were carried out which showed that the developed PCM had excellent thermal reliability and can be useful for a year‐long application. The variations reported with 1% nano‐formulation was −1.43% to +0.53%, −0.03% to +1.52%, and −6.67% to 9.94% with respect to onset, peak melting temperature, and latent heat of fusion. The thermal gravimetric analysis (TGA) results showed that developed PCMs were stable within the working temperature range. The melting/solidification curve showed faster heat storage and release rates owing to the increased thermal conductivity. These developed PCMs are useful for photovoltaic/thermal and building applications.

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Recent advances in thermophysical properties enhancement of phase change materials for thermal energy storage

Cited by 59 publications

References 182 publications

Flame Retardant Coatings: Additives, Binders, and Fillers

Flame Retardant Coatings: Additives, Binders, and Fillers

A State of the Art Review on Sensible and Latent Heat Thermal Energy Storage Processes in Porous Media: Mesoscopic Simulation

Development of nano‐enhanced phase change materials using manganese dioxide nanoparticles obtained through green synthesis

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