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In this paper, we reported a new strategy to improve solar-to-thermal energy storage efficiency by introducing Ag nanoparticle-functionalized graphene nanosheets
This work proposes an alkaline hydrothermal treatment method suitable for fly ash modification and prepares a porous bamboo leaf-like structured supporting material for
A series of form-stable polyethylene glycol/activated carbon (AC) composites were prepared via a vacuum-assisted infiltration method, where polyethylene glycol (PEG) was used as
Ag-graphene/PEG composite phase change materials for enhancing solar-thermal energy conversion and storage capacity Appl. Energy, 237 ( 2019 ), pp. 83 - 90 View PDF View article Google Scholar
Ag-graphene/PEG composite phase change materials for enhancing solar-thermal energy conversion and storage capacity Appl. Energy, 237 ( 2019 ), pp. 83 - 90 View PDF View article Google Scholar
Polyethylene glycol (PEG) is a commonly used phase change material for thermal energy storage. It can store amounts of heat in the process of phase transition, whereas the solid-to-liquid transition requires it to be form-stabilized before application. In
The optimum 80 wt% PEG/FS SSPCM exhibited a high crystallinity of 93.1%, corresponding to a remarkable thermal energy storage capacity of 130.6 J g-1, and excellent thermal reliability after
Graphene-CoO/PEG composite phase change materials with enhanced solar-to-thermal energy conversion and storage capacity April 2020 Composites Science and Technology 195(3):108197
This finding was in good agreement with the UV–vis absorption result (Fig. 6b). With prolonged radiation time, heating reached a plateau at around 55 C in the temperature curve of Ag–GNS/PEG, indicating thermal energy storage through phase transition (step B
In view of the excellent characteristic of thermal energy storage, phase change materials (PCMs) are of great significance for improving the efficiency of solar thermal energy utilization. However, the direct thermal effect of visible-light (40% of solar radiation) is very low. In order to improve the capabilities of visible-light absorption and photothermal
Polyethylene glycol (PEG) as a phase change material (PCM) is being explored for latent heat energy storage systems due to its high thermal storage capacity. In the current study, PCM composites were synthesized with different mass fractions of unzipped multiwalled carbon nanotube oxides (UMCNOs) in PEG by melt mixing method.
Phase change materials (PCMs), a particular class of thermal storage material, have a significant thermal energy storage and release capacity during the isothermal phase transition. Additionally, PCM benefits include cheap cost, high energy storage density, and good compatibility [ 10 ], which may considerably boost solar
Semantic Scholar extracted view of "Thermal analysis and heat capacity study of polyethylene glycol (PEG) phase change materials for thermal energy storage applications" by Y. Kou et al. DOI: 10.1016/J.JCT.2018.08.031 Corpus ID: 105750355 Thermal analysis
And, the phase-change enthalpy of crystallization and melting process for PEG were determined as 178.16 J/g and 184.09 J/g, respectively, indicating PEG exhibits a high thermal energy storage capacity due to its
Latent heat storage systems use phase change materials (PCM) for energy storage. These systems suffer from low thermal conductivity of PCM which
The amplified thermal conductivity of these nanoparticle enhanced phase change materials (PCMs) over the basic fluids (e.g., polyethylene glycol—PEG) is considered one of the driving factors for their improved performance in heat transfer. Most of the research, however, is centered on the thermal conductivity discussion and less on
DOI: 10.1016/j pscitech.2020.108197 Corpus ID: 218966168 Graphene-CoO/PEG composite phase change materials with enhanced solar-to-thermal energy conversion and storage capacity As one of the important directions of solar energy utilization, the
Abstract. Phase change materials (PCMs) generally offer high latent heats for a wide range of thermal energy storage technologies. As typical organic PCMs, polyethylene glycol (PEG) has been widely studied due to their high latent enthalpy, non
(a–b) Differential scanning calorimetry (DSC) curves, (c–d) phase change enthalpy and phase change temperature, (g) energy storage capability, (f) crystallinity. In the formula, R, ΔH m/comp, and ΔH c/comp represent the maximum loading amount of CPCMs (Table S1), melting enthalpy, and crystallization enthalpy, respectively; ΔH
Shape-stabilized composite phase change material PEG@TiO2 through in situ encapsulation of PEG into 3D nanoporous TiO2 for thermal energy storage Renew. Energy, 170 ( 2021 ), pp. 27 - 37
The thermal storage capacity of 70–113 J g⁻¹ and phase transition temperature range of 30–70 °C for PEG/VO2/EG were determined by DSC. Moreover, compared with pure PEG, the thermal
Based on the superiority of GA/PEG-600, GA and PEG-600 are creatively introduced into the phase change energy storage concrete for energy piles. In this study, PEG-600 was presented as the PCM and hollow steel balls (HSB) were utilized as the carrier of PEG-600 to fabricate the phase change aggregate (PCM-HSB).
DOI: 10.1016/J.SOLMAT.2021.111013 Corpus ID: 233548676 Lignin-assisted construction of well-defined 3D graphene aerogel/PEG form-stable phase change composites towards efficient solar thermal energy storage @article{Wei2021LigninassistedCO, title
Phase change materials (PCMs) generally offer high latent heats for a wide range of thermal energy storage technologies. As typical organic PCMs, polyethylene glycol (PEG) has been widely studied due to their high latent enthalpy, non-toxic and non-corrosive
A one-step in-situ assembly strategy to construct PEG@MOG-100-Fe shape-stabilized composite phase change material with enhanced storage capacity for
Phase-change material (PCM) refers to a material that absorbs or releases large latent heat by phase transition between different phases of the material itself (solid–solid phase or solid–liquid phase) at
Phase change materials (PCMs) generally offer high latent heats for a wide range of thermal energy storage technologies. As typical organic PCMs, polyethylene glycol (PEG) has
Most related items These are the items that most often cite the same works as this one and are cited by the same works as this one. Umair, Malik Muhammad & Zhang, Yuang & Iqbal, Kashif & Zhang, Shufen & Tang, Bingtao, 2019. "Novel strategies and supporting materials applied to shape-stabilize organic phase change materials for thermal energy
Mesoporous carbon FDU-15 was successfully applied to prepare a novel low temperature composite phase change material PEG/FDU-15. • The composite received a 63%-fold increase in thermal conductivity, and superior loading and
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Phase change fibers with abilities to storage/release thermal energy and response to multiple stimuli are of high interest for wearable thermal management textiles. However, there are long-term challenges for carbon nanotube (CNT) network-directed phase change composites, such as the limited polymer loading, nonuniform composite
Thermal analysis and heat capacity study of polyethylene glycol (PEG) phase change materials for thermal energy storage applications
The prepared PEG/NF/TpPa composites also exhibit excellent thermal energy storage capacity and enhanced thermal conductivity. Meanwhile, PEG/NF/TpPa composites show good thermal stability, latent heat retention lifetime, and energy conversion stability after multiple thermal cycles and solar-thermal cycles.
So Ag–GNS/PEG can harvest sunlight and convert light to thermal energy with significantly higher efficiency ( η =88.7–92.0%). Moreover, Ag–GNS/PEG composites exhibit enhanced thermal conductivities (49.5–95.3%), high energy storage densities (>166.1J/g), high thermal energy storage/release rates and outstanding form-stable properties.
Phase change materials (PCMs) generally offer high latent heats for a wide range of thermal energy stor-age technologies. As typical organic PCMs, polyethylene glycol (PEG) has
The PEG/silica phase-change microcapsules (PEG@SiO 2-MEPCM) were synthesized through emulsion-templated self-assembly and follow-up in-situ polycondensation, with the synthetic mechanism shown in Fig. 1.The in-situ polymerization was conducted in a W/O reverse emulsion-templating system using PEG as an aqueous
Phase change materials (PCMs), a particular class of thermal storage material, have a significant thermal energy storage and release capacity during the isothermal phase transition. Additionally, PCM benefits include cheap cost, high energy storage density, and good compatibility [10], which may considerably boost solar energy
So Ag–GNS/PEG can harvest sunlight and convert light to thermal energy with significantly higher efficiency (η = 88.7–92.0%). Moreover, Ag–GNS/PEG composites exhibit enhanced thermal conductivities (49.5–95.3%), high energy storage densities (>166.1 J/g), high thermal energy storage/release rates and outstanding form-stable properties.
The thermal storage capacity of 70–113 J g −1 and phase transition temperature range of 30–70 °C for PEG/VO 2 /EG were determined by DSC. Moreover, compared with pure PEG, the thermal conductivity of PEG/VO 2 /EG 0.10 was increased by up to 93.75%, and the thermal storage capacity was increased by up to 59.35%
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