Nanoencapsulated crystallohydrate mixtures for advanced thermal energy storage

Graham, M. J.; Coca-Clemente, José Antonio; Shchukina, Elena; Shchukin, Dmitry

doi:10.1039/c7ta02494k

Cited by 51 publications

(26 citation statements)

References 50 publications

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“…Their follow-up paper describes encapsulation of two crystallohydrates (Mg(NO 3 ) 2 ·6H 2 O and Na 2 SO 4 ·10H 2 O) and their eutectic mixture. 173 DSC results demonstrated high thermal stability of nanoencapsulated single and mixed crystallohydrates, which remained unchanged after 100 thermal cycles ( Fig. 14 ).…”

Section: Encapsulation Of Inorganic Pcmsmentioning

confidence: 95%

Nanoencapsulation of phase change materials for advanced thermal energy storage systems

et al. 2018

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Section: Encapsulation Of Inorganic Pcmsmentioning

confidence: 95%

Nanoencapsulation of phase change materials for advanced thermal energy storage systems

et al. 2018

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“…The researchers also confirmed by Fourier transform infrared spectroscopy and observation that the chemical properties of the microcapsules were very stable after hundreds of thermal cycles. Graham M. et al (2017) Liu C.Z. et al (2017a) successfully prepared microcapsule by in-situ emulsion polymerization with urea formaldehyde resin (UR) as the shell material and MgSO 4 •7H 2 O as the core material.…”

Section: In-situ Polymerization Methodsmentioning

confidence: 99%

Review of Encapsulated Salt Hydrate Core-Shell Phase Change Materials

Wang

Chen

et al. 2020

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The salt hydrate heat storage phase change material (PCM) has a promising prospect of application and has become a research hotspot because of the advantages of high thermal storage density, high thermal conductivity, moderate phase change temperature, and low price. However, some problems have restricted the application of salt hydrate heat storage materials, such as phase separation, supercooling, and corrosion of the metal container. A microencapsulated PCM using the microencapsulated technology of solid PCM coated packaging with coreshell structure composite material is an effective method to solve the above problems. In this paper, the research situations involving microencapsulated salt hydrate are analysed. This review introduces the selection of core and shell materials, compares the different preparation methods of encapsulated salt hydrate PCMs and summarizes the application fields.

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“…The encapsulation of inorganic PCMs is less studied as it appears more challenging due to their good water solubility, polarity and changeable water content affecting the heat storage. One of the recently purposed approaches for encapsulation of inorganic PCMs is inverse emulsion interfacial polymerization for the preparation of a PCM core with an organic (poly(ethyl-2-cyanoacrylate) [PECA]) [37,38] or inorganic (SiO 2 ) shell [39]. However, the polymeric microcontainers have poor thermal conductivity and relatively low content of core PCM material due to the thick polymeric shell required to effectively prevent material leakage [40].…”

Section: Thermal Energy Storage With Pcmmentioning

confidence: 99%

Clay Composites for Thermal Energy Storage: A Review

et al. 2020

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The development of novel materials and approaches for effective energy consumption and the employment of renewable energy sources is one of the current trends in modern material science. With this respect, the number of researches is focused on the effective harvesting and storage of solar energy for various applications. Phase change materials (PCMs) are known to be able to store thermal energy of the sunlight due to adsorption and release of latent heat through reversible phase transitions. Therefore, PCMs are promising as functional additives to construction materials and paints for advanced thermoregulation in building and industry. However, bare PCMs have limited practical applications. Organic PCMs like paraffins suffer from material leakage when undergoing in a liquid state while inorganic ones like salt hydrates lack long-term stability after multiple phase transitions. To avoid this, the loading of PCMs in porous matrices are intensively studied along with the thermal properties of the resulted composites. The loading of PCMs in microcontainers of natural porous or layered clay materials appears as a simple and cost-effective method of encapsulation significantly improving the shape and cyclic stability of PCMs. Additionally, the inclusion of functional clay containers into construction materials allows for improving their mechanical and flame-retardant properties. This article summarizes the recent progress in the preparation of composites based on PCM-loaded clay microcontainers along with their future perspectives as functional additives in thermo-regulating materials.

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Nanoencapsulated crystallohydrate mixtures for advanced thermal energy storage

Abstract: Nanocapsules containing crystallohydrates and their mixtures were synthesised and proven to be stable over at least 100 cycles.

Cited by 51 publications

References 50 publications

Nanoencapsulation of phase change materials for advanced thermal energy storage systems

Nanoencapsulation of phase change materials for advanced thermal energy storage systems

Review of Encapsulated Salt Hydrate Core-Shell Phase Change Materials

Clay Composites for Thermal Energy Storage: A Review

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