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Paraffin/EPW, containing 35% by weight of paraffin, showed significant leakage of phase change material (PCM) ... Review on thermal energy storage with phase change materials (PCMs) in building applications Appl Energy, 92 (2012), pp. 593-605 View PDF ...
Abstract. Thermal storage technology based on phase change material (PCM) holds significant potential for temperature regulation and energy storage application. However, solid–liquid PCMs are often limited by leakage issues during phase changes and are not sufficiently functional to meet the demands of diverse applications.
The development of energy storage materials is critical to the growth of sustainable energy infrastructures in the coming years. Here, a composite phase change material (PCM) based on graphene and paraffin was designed and prepared through a modified hydrothermal method. Graphene oxide sheets were reduced an
A kind of silicone rubber (SR)/paraffin (Pa)@silicon dioxide (SiO 2) composite form-stable phase change material (PCM) was developed in this paper.Pa@SiO 2 was obtained by choosing Pa as PCM core microencapsulated in SiO 2 shell based on tetraethoxysilane (TEOS) and γ-aminopropyl triethoxysilane (APTES) as precursors, then …
Thermal stability, latent heat and flame-retardant properties of the thermal energy storage phase change materials based on paraffin/high density polyethylene composites Renew. Energy, 34 ( 2009 ), pp. 2117 - 2123
High-performance thermal energy storage technology based on phase change material (PCM) plays an important role in reducing the building energy consumption and realizing efficient energy utilization. However, the drawbacks such as liquid phase leakage, poor thermal conductivity, and low cycle stability, significantly …
The characterization results revealed that the short wormlike EG rods built a flexible framework in the paraffin matrix during blending, among which smaller …
Organic PCMs are widely used as energy storage materials due to their low-cost, high-energy storage density, stability, and non-corrosive advantages [ 16, 17, …
Paraffin/expanded vermiculite composite phase change material as aggregate for developing lightweight thermal energy storage cement-based composites Appl. Energy., 160 ( 2015 ), pp. 358 - 367, 10.1016/j.apenergy.2015.09.069
This work aims to develop a high thermal conducting and leakage-proof composite phase change material (CPCM) for thermal energy storage (TES) …
Phase change material PW was procured from Shanghai Joule Wax Products Co., Ltd. with the melting point of 52 C. Waste white pine blocks were obtained from a wood processing facility in Hebei Province. 96% PFOA (C 7 F 15 COOH) was purchased from Shanghai Macklin Biochemical Co., Ltd. Fig. 1 a and b depict the …
The emulsification of hydrated salt with paraffin played an important role in the thermal performance enhancement of the SSPCMs. As shown in Scheme 1, paraffin as a continuous phase of the emulsion not only prevented water evaporation from the hydrated salt, but also promoted its crystallization and reduced the supercooling.. Moreover, the …
Phase change materials (PCMs) are kind of energy storage systems utilized for thermal energy storage (TES) by virtue of high fusion latent heat property. In this research, Paraffin wax (PW) PCM and Ethylene-Propylene-Diene-Monomer (EPDM) were Vulcanized together by using various Benzoyl Peroxide contents to determine EPDM …
A series of paraffin (Pn)@silica (SiO 2) microencapsulated phase change materials (MEPCM) were synthesized by sol-gel process using tetraethyl orthosilicate (TEOS) and silane …
As an inexpensive and easily available organic phase change material (PCM), paraffin has good energy storage effect and can realize efficient energy storage and utilization. In this work, paraffin section–lauric acid (PS–LA) and paraffin section–myristic acid (PS–MA) were prepared by melting blending paraffin section …
Aulakh JS, Joshi DP (2022) Development of paraffin-based shape-stable phase change material for thermal energy storage. Polym Sci, Ser A, 1–10 Google Scholar Aulakh JS, Joshi DP (2019) Thermal and heat transfer performance of …
A novel paraffin/expanded perlite composite phase change material for prevention of PCM leakage in cementitious composites Appl. Energy, 157 ( 2015 ), pp. 85 - 94 View PDF View article View in Scopus Google Scholar
Paraffin-PCN (P-PCN) composite phase change materials (PCMs) with high shape stability, excellent photothermal conversion ability and latent heat storage capacity were synthesized. The heat preservation time of the P-PCN natural cooling from 35 °C to 30 °C is approximately twice that of the P-Pal.
Phase change materials (PCMs) are widely used in the field of thermal management and energy storage, but both low thermal conductivity and leakage problem limit their broad applications. In this work, a 3D porous graphite (PG) …
The paraffin/HDPE/EG composite phase change materials exhibits enhanced thermal conductivity and leakage-proof properties compared to the matrix, which is attributed to the addition of HDPE as …
Abstract Paraffin, as a low-cost organic phase change material (PCM), has the advantage of large latent heat in a phase change but suffers from the disadvantage of poor thermal conductivity and easy leakage. Improving the thermal conductivity and enhancing the leakage-proof of paraffin are significantly important for its large-scale …
Thermal energy storage (TES) using phase change materials (PCMs) has received increasing attention since the last decades, due to its great potential for energy savings and energy management in the building sector. As one of the main categories of organic PCMs, paraffins exhibit favourable phase change temperatures for solar …
Paraffin, as an excellent phase change material (PCM), is limited by the leakage problem and low thermal conductivity. In this research, a novel paraffin/neopentyl glycol dimethacrylate/boron nitride (paraffin/NPGDMA/BN) composite PCM was successfully prepared via a physical mixing process.
Combining phase change materials (PCMs) with FRHS is a promising way to improve energy efficiency and provide a comfortable thermal environment. This paper investigates the feasibility of preparing gypsum-based self-levelling energy storage mortar (GSEM) by incorporating fly ash cenospheres/paraffin (FACP) into GSM.
Latent heat thermal energy storage based on phase change materials (PCM) is considered to be an effective method to solve the contradiction between solar energy supply and demand in time and space. The development of PCM composites with high solar energy absorption efficiency and high energy storage density is the key to solar thermal …
The research work proposes the characterization of eutectic fatty acid mixture [Lauric and Palmitic acid (LA-PA)] centered form-stable phase change material (FSPCM) incorporated with expanded perlite (EP) particles for the application of thermal energy storage (TES) in buildings. (TES) in buildings.
Thermal energy storage using phase change materials is considered as a significant strategy for relieving the energy crisis. Herein an emerging paraffin-based composite form-stable phase change material (FSPCM) was fabricated using carbon-coated nanoscroll (CAN) as supporting material prepared via in-situ carbonizing the …
To effectively reduce the leakage of paraffin-based phase change materials during the solid-liquid phase transition, microencapsulation of phase change materials has been widely used in recent years. Microencapsulation technology can also provide high thermal cycle stability, relatively constant volume and large heat transfer …
Solar energy storage in buildings can be achieved with the incorporation of thermal energy storage materials, such as phase change materials (PCMs). PCM has promising applications in solar energy storage applications due to very high volumetric heat capacity and small temperature variation during phase change process (Soares et al., …
In general, LHESS is the most promising system for storing thermal energy via the phase change phenomena of the energy storage material known as PCM. It is a substance that can undergo a phase transition due to its change of internal energy via conductive and convective heat transfer while absorbing or releasing a substantial …
Phase change materials (PCMs) that are used as storage media in latent thermal energy storage can be classified into two major categories: inorganic compounds and organic compounds. Inorganic PCMs include salt hydrates, salts, metals and alloys, whereas organic PCMs are comprised of paraffin, fatty acids/esters and polyalcohols.
A tradeoff between high thermal conductivity and large thermal capacity for most organic phase change materials (PCMs) is of critical significance for the development of many thermal energy storage applications. Herein, unusual composite PCMs with simultaneously enhanced thermal conductivity and thermal capacity were prepared by …
The leakage-free phase change material withstands cyclic melting/solidification. A high melting enthalpy (173 J/g) and reduced supercooling (by 53 %) are observed. The results indicate stable and durable solution for energy conversion/storage.
Solar energy storage in buildings can be achieved with the incorporation of thermal energy storage materials, such as phase change materials (PCMs). PCM has promising applications in solar energy storage applications due to very high volumetric heat capacity and small temperature variation during phase change process ( Soares et al., …
Paraffin 56/58 PCM emulsion atteined uniformly sized and distributed PCM droplets in basefluid by utilizing the high-energy emulsification method using the ultrasonication device. The high-energy preparation method for paraffin 56/58 PCM emulsions is presented in Fig. 1 with a stirring mantle used for temperature control during preparation.
The leakage and low thermal conductivity of paraffin phase change material (PCM) must be addressed to achieve a more efficient energy storage process. …
Research on phase change material (PCM) for thermal energy storage is playing a significant role in energy management industry. However, some hurdles during …
Incorporating phase change material (PCM) into construction materials is an effective way to improve energy management. In this work, the paraffin with a melting point of ∼ 28 °C and latent heat of ∼ 193 J/g was absorbed into fly ash ceramsites (artificial porous aggregate) under vacuum pressure.
Paraffins are useful as phase change materials (PCMs) for thermal energy storage (TES) via their melting transition, Tmpt. Paraffins with Tmpt between 30 …
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