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1. Introduction Because of high energy storage density and quasi isothermal behavior during heat storage and release, phase change materials (PCMs) have been used in the fields of building energy conservation, battery overheating protection, solar energy system
Energy storage, Materials, Mixtures, Phase transitions. Abstract. In this study, a capric acid (CA)-stearic acid (SA)/expanded graphite (EG) composite phase
Section snippets Raw materials Microcrystalline graphite (MG, carbon content ≥90 %, 300 mesh) was supplied by Lutang Ore District, Chenzhou, Hunan. Silica sol (the particle size is 40–60 nm) was obtained from Dezhou Jinghuo Technique Glass Co.,
Palmitic acid/polyvinyl butyral/expanded graphite composites as form-stable phase change materials for solar thermal energy storage Appl. Energy, 228 ( 2018 ), pp. 1801 - 1809 View PDF View article View in Scopus Google Scholar
In recent past, phase change material (PCM) is recognized as one of the most promising thermal energy storage materials due to its low cost, good volumetric stability, and high thermal energy storage density (Afgan and Bing, 2021).
Integration of lauric acid/zeolite/graphite as shape stabilized composite phase change material in gypsum for enhanced thermal energy storage in buildings Appl. Therm. Eng., 224 ( 2023 ), Article 120088, 10.1016/J.APPLTHERMALENG.2023.120088
The transformation temperature of fatty acids that are commonly used as phase-change energy-storage material ranges from 30.1 to (70.7^{,circ }hbox {C}), and its phase-change latent heat
A paraffin/expanded graphite composite phase change thermal energy storage material was prepared by absorbing the paraffin into an expanded graphite that has an excellent absorbability such a composite, the paraffin serves as a latent heat storage material and the expanded graphite acts as the supporting material, which
For thermophysical energy storage with phase change materials (PCMs), the power capacity is often limited by the low PCM thermal conductivity (κ PCM).Though dispersing high-thermal conductivity nanotubes and
A shape-stable glycine water-based phase-change material (GPCM) was fabricated herein via natural adsorption using modified expanded graphite (MEG) as a porous carrier. Cetyltrimethylammonium bromide (CTAB) was introduced as a modifier on the surface of expanded graphite (EG) to synthesise MEG, which improved compatibility
1 · The mass content of expanded graphite (EG) in fatty acid/expanded graphite composite phase-change materials (CPCMs) affects their thermal properties. In this
phase change materials (PCMs), has emerged as an advanced and environmentally friendly Experimental and numerical study of modified expanded graphite/hydrated salt phase change material for solar energy storage Sol. Energy (2020) R. et al.
Sichuan Building Materials, 2016, 42(1):19-21. [8] Xu T, Li Y, Chen J, et al. Preparat ion and thermal energy storage propert ies of LiNO 3 -KCl-NaNO 3 /expanded graphite composi te phase change material[J]. Solar Energy Materials &
High performance form-stable expanded graphite/stearic acid composite phase change material for modular thermal energy storage Int. J. Heat Mass Tran., 102 ( 2016 ), pp. 733 - 744 View PDF View article View in Scopus Google Scholar
Ultrathin graphite sheets stabilized stearic acid as a composite phase change material for thermal energy storage Energy, Volume 166, 2019, pp. 246-255 Chuanchang Li, , Yi Long
Phase change materials (PCMs) are a promising thermal storage medium because they can absorb and release their latent heat as they transition phases,
Latent heat thermal energy storage (TES) effectively reduces the mismatch between energy supply and demand of renewable energy sources by the utilization of phase change materials (PCMs). However, the low thermal conductivity and poor shape stability are the main drawbacks in realizing the large-scale application of
1. Introduction Phase change material (PCM) is able to be used in the thermal energy storage (TES), which has received great attention in recent years [1], [2], [3], [4] sides, the temperature of PCM varies a
Compared with sensible heat storage and thermochemical energy storage, latent heat storage based on phase change materials (PCMs) is considered a better
H2O2-microwave treated graphite stabilized stearic acid as a composite phase change material for thermal energy storage Rsc Adv., 7 ( 2017 ), pp. 52486 - 52495 View in Scopus Google Scholar
A shape-stabilized phase change energy storage material (SSPCESM) of LA-OD/EG was prepared by vacuum adsorption method. • The phase transition temperature of the SSPCESM is 36.06 C, and the latent heat is about 176.44 J/g. • The LA-OD is
Latent heat thermal energy storage material is synonyms to phase change material and is more predominantly used because of high-energy storage density amidst other thermal energy storage system. Organic, inorganic, and eutectic substances can all be employed to extract latent heat.
Paraffin/modified exfoliated graphite composite phase change materials with high performance and stability for thermal energy storage. Journal of Thermal
Recent progress about expanded graphite matrix composite phase change material for energy storage Energy Storage Sci. Technol., 3 ( 2014 ), pp. 210 - 215, 10.3969/j.issn.2095-4239.2014.03.005 View in Scopus Google Scholar
Thermal conductivity and latent heat thermal energy storage characteristics of paraffin/expanded graphite composite as phase change material Appl. Therm. Eng., 27 ( 8–9 ) ( 2007 ), pp. 1271 - 1277
Due to its high energy density, high temperature and strong stability of energy output, phase change material (PCM) has been widely used in thermal energy systems. The aim of this review is to provide an insight into the thermal conduction mechanism of phonons in PCM and the morphology, preparation method as well as
The core technology of latent-heat thermal storage is phase change materials (PCMs). Multiple inorganic, organic, and composite PCMs have been studied for building-energy efficiency, such
Thermal conductivity and latent heat thermal energy storage characteristics of paraffin/expanded graphite composite as phase change material Applied Thermal Engineering, 27 ( 8–9 ) ( 2007 ), pp. 1271 - 1277
Thermal conductivity and latent heat thermal energy storage characteristics of paraffin/expanded graphite composite as phase change material Appl. Therm. Eng., 27 ( 8 ) ( 2007 ), pp. 1271 - 1277 View PDF View article View in Scopus Google Scholar
The use of phase change materials (PCM) for the purpose of management of thermal energy is a promising idea. PCM''s are widely used as passive thermal management tools in Li-ion batteries. On one side, it is important to get higher thermal conductive materials, but on the other side, it is also important to get a stable and
Huang X, Cui Y D, Yin G, et al. Preparation and thermal properties of lanthanic- palmitic - stearic acid/expanded graphite energy storage composite phase change materials[J].Material Review, 2017, 31(14):52-56 . [9]
1 · The mass content of expanded graphite (EG) in fatty acid/expanded graphite composite phase-change materials (CPCMs) affects their thermal properties. In this study, a series of capric–myristic acid/expanded graphite CPCMs with different EG mass content (1%, 3%, 5%, 8%, 12%, 16%, and 20%) were prepared. The adsorption performance
For the storage of latent thermal energy (LTES), phase change materials (PCM) are the most commonly used. Nonetheless, their low thermal conductivity values and the liquid leakage on the transition phase of process limits their application.
Compared with sensible heat storage, phase change heat storage has the advantages of high heat storage density as well as stable output temperature and energy [8]. Phase change materials (PCMs) are the basis of phase change heat storage as they absorb or release a large amount of thermal energy that can be stored during a
CaCl2.6H2O, MgCl2.6H2O, Mg(NO3)2.6H2O, Mg(NO)3.6H2O-NH4NO3 eutectic, and Mg(NO3)2.6H2O-MgCl2.6H2O eutectic were investigated for phase change
Heat energy storage using phase change materials (PCMs) in electric radiant floor heating system (ERFHS) is a favorable solution to the improvement of energy efficiency. In this paper, the sodium thiosulfate pentahydrate (Na 2 S 2 O 3 •5H 2 O,STP)- sodium acetate trihydrate (CH 3 COONa•3H 2 O, SAT) eutectic mixture was prepared by
In particular, latent thermal energy storage (LTES) with large energy storage density and isothermal heat storage/retrieval characteristics is a hot research topic. In the present study, sodium nitrate, potassium nitrate and their mixture were used as the base materials, and expanded graphite (EG) with high thermal conductivity and thermo
In recent past, phase change material (PCM) is recognized as one of the most promising thermal energy storage materials due to its low cost, good volumetric stability, and high thermal energy storage density (Afgan and Bing, 2021).
Well-designed and effective phase change material storage system takes a small charging time and confines the solid-liquid phase change within silica and expanded graphite. During the charging process, the sensible heat (H S ), latent heat (H LH ), latent heat of fusion (H F ) (J/kg), and overall heat stored (E T ) in the PCM storage is obtained
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