peg phase change energy storage
Preparation and performances of sunlight-induced phase change PEG/SiO2-dye composite for solar energy conversion and storage …
In this paper, a novel type of sunlight-induced phase change energy storage PEG/SiO 2-dye composite based on PEG and dye-grafted SiO 2 was prepared by a facile sol-gel process. Reactive black 5 dye (RB5), which has a broadband of UV–Vis light absorbance, was successfully grafted onto the inorganic SiO 2 network by using 3 …
Thermal energy storage characteristics of poly(styrene-co-maleic anhydride)-graft-PEG as polymeric solid–solid phase change …
The synthesized copolymers showed latent heat storage and release ability by means of the phase transition from crystalline phase to amorphous phase of PEG bonded to the skeleton as side chains. The chemical structures of the polymeric S-SPCMs were confirmed by fourier transform infrared (FT-IR) and proton nuclear magnetic …
Experimental study on the performance of phase change energy storage concrete for energy piles based on Gum Arabic and PEG …
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).
Novel PEG/SiO2/SiO2–modified expanded graphite composite phase change materials for enhanced thermal energy storage …
The SiO2/MEGR was then used as a binary porous support for the adsorption and stabilization of polyethylene glycol (PEG), forming composite phase change materials (CPCMs) for thermal energy storage. The prepared PEG/SiO2/MEGR CPCMs were investigated for thermal properties with varying PEG content (50–90%) and a fixed …
3D flower-like CuO@PEG composite phase change materials with photo response for applications in energy conversion and storage …
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 …
Ag-graphene/PEG composite phase change materials for enhancing solar-thermal energy conversion and storage capacity …
The phase change enthalpy can reach 130.7 J·g −1 and maintain a high energy storage density during 100 cyclic phase change tests. Specifically, MSHS@ODA decreases the operating temperature of lithium-ion batteries by 8 °C during discharge, ensuring their stable operation within the optimal temperature range.
Lignin-assisted construction of well-defined 3D graphene aerogel/PEG form-stable phase change composites towards efficient solar thermal energy ...
The phase change properties, thermal stability and reusability of PEG@LGA FSPCMs are proved to be excellent, showing the promising application in solar thermal energy conversion and management. In conclusion, the fabrication strategy of PEG@LGA provides a promising direction for lignin utilization and valorization with the …
Polyethylene glycol (PEG)/diatomite composite as a novel form-stable phase change material for thermal energy storage …
Polyethylene glycol (PEG) has been attracted a great interest due to its good characteristics such as suitable phase change temperature, high latent heat capacity, congruently melting, non-toxicity, no super cooling, low …
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