UV-curing is also known as the photopolymerization reaction. It is often commonly defined as the process of rapidly converting a specially formulated, usually liquid solventless compositions into a solid film by irradiation with ultraviolet [46].As shown in Fig. 2, the photoinitiator decomposes into reactive substances under UV-light irradiation, …
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Solid-liquid phase change materials have shown a broader application prospect in energy storage systems because of their advantages, such as high energy storage density, small volume change rate, and expansive phase change temperature range [[18], [19],,
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Phase change material (PCM)-based thermal energy storage significantly affects emerging applications, with recent advancements in enhancing heat capacity and cooling power. This perspective by Yang et …
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We developed the size-tunable phase-change microcapsules with an n -eicosane core and a CaCO 3 shell. •. The microcapsules show a well-defined core-shell microstructure and a regular spherical morphology. •. The microcapsules reveal a good thermal regulation ability under a latent-heat capacity of over 130 J/g.
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As a well-known latent heat storage material, PCMs realize the storage and release of thermal energy during phase change process [15]. Because of their temperature within a certain range, PCMs are widely used in building energy conservation, electronic components, and lithium-ion batteries [ 16, 17 ].
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Various techniques to improve the heat transfer characteristics of thermal energy storage systems using low temperature phase change materials have also been discussed. Moreover, the use of computational techniques to assess, predict and optimize the performance of the latent energy storage system for different low temperature …
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Albizzia pollen-inspired phase change capsules accelerate energy storage of packed-bed thermal energy storage system Appl Therm Eng ( 2023 ), p. 230, 10.1016/j.applthermaleng.2023.120777
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In terms of the phase transition temperature, PEG-600 has a phase transition temperature (Phase change temperature=16.81 C /19.81 C) (Kulkarni and Muthadhi, 2021) that is more suitable for the energy …
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Traditionally, water-ice phase change is commonly used for cold energy storage, which has the advantage of high energy storage density and low price [10]. However, owing to the low freezing point of water, the efficiency of the refrigeration cycle decreases significantly [ 11 ].
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Lithium batteries, as good "high energy density" devices, are used for stable energy storage due to their superior performance, high energy efficiency, and low self-discharge [9, 10]. And the SC can store or release a huge amount of energy in a very short time, which plays a supplementary role in protecting the batteries in the case of …
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Although the history of sodium-ion batteries (NIBs) is as old as that of lithium-ion batteries (LIBs), the potential of NIB had been neglected for decades until recently. Most of the current electrode materials of NIBs have been previously examined in LIBs. Therefore, a better connection of these two sister energy storage systems can …
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Although phase change energy storage technology can reduce heterogeneity to a certain extent, the overall energy utilization rate is low. Utilizing paraffin in solar energy systems, the heat storage and release efficiencies were only 40.4% and 4.2% ( Öztürk, 2005 ).
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Lithium-ion batteries are composed of positive electrode, negative electrode, electrolyte, separator, current collector and a shell [21, 22] g. 1 shows the typical structure of lithium-ion battery [22].Lithium-ion battery is charged and discharged by intercalation/de ...
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Energy storage systems can create this flexibility, and in the context of building air conditioning, this can come in two forms, thermal energy storage and/or electrical energy storage. For thermal energy storage, one of the most promising approaches for building applications is the use of phase change materials (PCMs), which …
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Thermal energy storage (TES) based on phase-change materials (PCMs) has many current and potential applications, such as climate control in buildings, thermal …
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For ion storage of dilute nitrate ions, a 24% decrease in the filling density increases the nitrate storage capacity by 300%. Quartz crystal microbalance with dissipation monitoring studies ...
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We achieve a transition temperature tunability up to 6°C in polyethylene glycol (PEG) by using the salt lithium oxalatodifluoroborate at a low voltage of 2.5 V, which may enable …
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PCMs play a decisive role in the process and efficiency of energy storage. An ideal PCM should be featured by high latent heat and thermal conductivity, a suitable phase change temperature, cyclic stability, etc. [33] As the field now stands, PCMs can be classified into organic, inorganic, and eutectic types shown in Fig. 1. ...
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Phase change film (PCF) has been extensively studied as a novel application form of energy storage phase change material (PCM). The emergence of PCF has made possible the application of PCM in highly flexible and space-constrained fields, which was hard to ...
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Moreover, the chemical energy storage behavior of high-entropy anode materials produces a unique energy storage mechanism due to the influence of entropy. For example, Sarkar et al. reported a transition-metal-based high-entropy oxide (HEO) as an anode material for LIBs, indicating that the lithiated HEO forms short-range tiny cells …
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Aiming to provide an effective solution to overcome the low-thermal-energy utilization issues related to the low thermal conductivity of PCMs, this paper delivers the …
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The research results indicated that PEG/PU exhibited a distinct porous structure, suitable phase change transition temperature, and a high latent heat value, …
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In this study, an original MOF-based phase change composite was firstly designed for solar thermal energy utilization and storage, which was employed stearic acid (SA) as PCMs for thermal storage, SA-modified HKUST-1 (HS) integrated CuO derived from
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To circumvent this problem, here, we report on the dynamic transition temperature tunability of a PCM using ions. We achieve a transition temperature tunability up to 6°C in …
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This study presents a phase change energy storage CCHP system developed to improve the economic, environmental and energy performance of residential buildings in five climate zones in China. A full-load operation strategy is implemented considering that the existing operation strategy is susceptible to the mismatch of …
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Manganese tetroxide electrodes for magnesium ion energy storage suffer from the limited capacity resulting by pseudocapacitance reaction on the subsurface. Herein, manganese tetroxide with bulk cation-anion dual defects (CADDs-Mn 3 O 4 ) is constructed for the first time by a facile hydrothermal reduction method.
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Highlights. Dynamically tunable Tm (15°C–21°C) of phase change materials with 2.5 V perturbation. A dual-ion battery approach using ions to modulate Tm of the phase-change materials. Combination of thermal energy …
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(2) The thermophysical properties of the phase change gel for cold energy storage were analyzed. The phase change temperature and latent heat of the developed DSSNK5-SAP are 7.71 C and 122.1 J g −1, respectively, and it has
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Use of electrode materials that show phase change behavior and hence drastic changes in electrochemical activity during operation has not been explored for Li-ion batteries. Here we demonstrate the vanadium oxide (VO 2) cathode that undergoes a metal–insulator transition due to the first-order structural phase transition at an accessible temperature of 68 C for …
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Phase change materials (PCMs) are an important class of innovative materials that considerably contribute to the effective use and conservation of solar …
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