Review on the thermal property enhancement of inorganic salt hydrate phase change materials

Man, Xi; Lu, Hao; Xu, Qing; Wang, Changjun; Ling, Ziye

doi:10.1016/j.est.2023.108699

Cited by 21 publications

(3 citation statements)

References 141 publications

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“…The proportion and the associated phase-transition temperature can be determined theoretically using an empirical formula known as the Schröder equation [32,33] ( )…”

Section: Eutectic Compositionmentioning

confidence: 99%

The preparation and selection process for a new form stable phase change material (FSPCM) intended for use as thermal storage in applications at intermediate temperatures

Patel,

Patel

2024

Phys. Scr.

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There is a greater focus on solar energy since the food processing business requires a lot of thermal energy to remove moisture from agricultural products. This study thoroughly explains how to choose Phase Change Materials (PCMs) within a specific temperature range. The best PCM is selected from the Multiple Criteria Decision Making (MCDM) procedures based on a few characteristics. Based on the results of the MCDM method, the eutectic of paraffin and palmitic acid is chosen. PCM is bound, and FSPCM is formed using clay. The method of preparation of Clay-based FSPCM is described in detail. The amount of clay materials and different clay percentage combinations are chosen from the leakage experiment. Kaolin has the least amount of leakage out of all the clay materials tested. Kaolin-based FSPCM Exibit improvement in thermal conductivity compared to Pure PCM.

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“…The proportion and the associated phase-transition temperature can be determined theoretically using an empirical formula known as the Schröder equation [32,33] ( )…”

Section: Eutectic Compositionmentioning

confidence: 99%

The preparation and selection process for a new form stable phase change material (FSPCM) intended for use as thermal storage in applications at intermediate temperatures

Patel,

Patel

2024

Phys. Scr.

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“…However, thermochemical heat energy storage (TCS) is based on heat storage through chemical bonds based on endothermic or exothermic reactions. However, TCS does not have available commercial applications since it requires phase material development [13][14][15]. Among the various types of TES techniques, latent heat energy storage materials are the most reliable ones since their operating temperature ranges [14].…”

Section: Introductionmentioning

confidence: 99%

“…Among the various types of TES techniques, latent heat energy storage materials are the most reliable ones since their operating temperature ranges [14]. But, LHS systems are still prerequisites for essential improvement to promote their applications and determine their associated concerns [14,15].…”

Section: Introductionmentioning

confidence: 99%

Thermal Energy Storage Using Hybrid Nanofluid Phase Change Material (PCM) Based on Waste Sludge Incorp Rated ZnO/α-Fe2O3

Hassan,

Tony,

Awad

2024

Nanomaterials

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Renewable solar energy storage facilities are attracting scientists’ attention since they can overcome the key issues affecting the shortage of energy. A nanofluid phase change material (PCM) is introduced as a new sort of PCM is settled by suspending small proportions of nanoparticles in melting paraffin. ZnO/α-Fe2O3 nanocrystals were prepared by a simple co-precipitation route and ultrasonically dispersed in the paraffin to be a nanofluid-PCM. The behaviors of the ZnO/α-Fe2O3 nanocrystals were verified by X-ray diffraction (XRD) analysis, and the average particle size and the morphology of the nanoparticles were explored by transmission electron microscopy (TEM). For the object of industrial ecology concept, aluminum-based waste derived from water-works plants alum sludge (AS) is dried and augmented with the ZnO/α-Fe2O3 nanocrystals as a source of multimetals such as aluminum to the composite, and it is named AS-ZnO/α-Fe2O3. The melting and freezing cycles were checked to evaluate the PCM at different weight proportions of AS-ZnO/α-Fe2O3 nanocrystals, which confirmed that their presence enhanced the heat transfer rate of paraffin. The nanofluids with AS-ZnO/α-Fe2O3 nanoparticles revealed good stability in melting paraffin. Additionally, the melting and freezing cycles of nanofluid-PCM (PCM- ZnO/α-Fe2O3 nanoparticles) were significantly superior upon supplementing ZnO/α-Fe2O3 nanoparticles. Nanofluid-PCM contained the AS-ZnO/α-Fe2O3 nanocrystals in the range of 0.25, 0.5, 1.0, and 1.5 wt%. The results showed that 1.0 wt% AS-ZnO/α-Fe2O3 nanocrystals contained in the nanofluid-PCM could enhance the performance with 93% with a heat gained reached 47 kJ.

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Manufacturing of Continuous Core–Shell Hydrated Salt Fibers for Room Temperature Thermal Energy Storage

Toomey,

Kanbargi,

Kearney

et al. 2024

Adv Eng Mater

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The encapsulation of salt hydrate phase change materials (PCM) in uniform microscale bodies has yet been reported in research due in part to the delicate relationship between thermal performance and water‐to‐salt ratios which are easily altered during manufacturing. In this work, core‐shell composite fibers comprised of a salt hydrate PCM core and a poly(acrylonitrile) (PAN) shell were wet spun in a continuous process using a syringe pump and coaxial die. The PCM phase was comprised of CaCl2•6H2O with SrCl2•6H2O (3 wt%) and fumed silica (SiO2) (2 wt%) as additive, a composition that was prepared from homogenous melt at 40 ºC. 15 wt% PAN in dimethylsulfoxide (DMSO) solvent was used to prepare the shell‐forming polymer gel. Injection rates of 10‐40 mL/h for the PCM melt and polymer gel were used to spin coaxial fibers through a coagulation bath to yield continuous microtubules with diameters in the range of 850‐1500 μm. Cyclic testing showed that after 1000 cycles, melting enthalpies incurred only a 3.5% decline from 131.46 J/g to 126.9 J/g. Success here overcomes several coincidental drawbacks of PCM fiber performance and manufacturing, and delivers the first example of scalable roll‐to‐roll PCM fiber produced by wet spinning for building material applications.This article is protected by copyright. All rights reserved.

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Review on the thermal property enhancement of inorganic salt hydrate phase change materials

Cited by 21 publications

References 141 publications

The preparation and selection process for a new form stable phase change material (FSPCM) intended for use as thermal storage in applications at intermediate temperatures

The preparation and selection process for a new form stable phase change material (FSPCM) intended for use as thermal storage in applications at intermediate temperatures

Thermal Energy Storage Using Hybrid Nanofluid Phase Change Material (PCM) Based on Waste Sludge Incorp Rated ZnO/α-Fe2O3

Manufacturing of Continuous Core–Shell Hydrated Salt Fibers for Room Temperature Thermal Energy Storage

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