Aluminum oxide encapsulated high-permittivity (ε) BaTiO3 and ZrO2 core-shell nanoparticles having variable Al2O3 shell thicknesses were prepared via a layer-by-layer methylaluminoxane coating process. Subsequent chemisorptive activation of the single-site metallocene catalyst [rac-ethylenebisindenyl]zirconium dichloride (EBIZrCl2) on these
بیشتر بخوانیدThis paper concerns enhancement of melting performance in a shell and tube thermal energy storage device containing different structures and materials. Four enhanced approaches including topology optimized fin, metal foam, longitudinal fin and form-stable composite phase change material (PCM) were evaluated and compared
بیشتر بخوانیدThis work proposes a novel type of shell and tube latent thermal energy storage unit (LTESU). Effects of the thermal conductivity of PCM, the inlet temperature of heat transfer fluid (HTF), the inlet velocity of HTF and fin layout (fin length and distribution) on the thermal performance and exergy efficiency of the LTESU are numerically
بیشتر بخوانیدAt present, to improve the energy storage properties and wide-range temperature stability synergistically is the bottleneck of Na 0.5 Bi 0.5 TiO 3 (NBT)-based energy storage ceramics. In this paper, it is expected to breakthrough this bottleneck through a multi-scale synergistic optimization (including composition, structure and
بیشتر بخوانیدIn the present study, the effect of the porosity distribution on the heat transfer performance of shell-and-tube thermal energy storage (TES) was analyzed.
بیشتر بخوانیدPortable electronics such as wireless sensors, roll-up displays, electronic skins, and flexible smartphones are light in weight and come in smaller sizes that can easily be
بیشتر بخوانیدe, sustainable, and modern energy for all – the aims of the SDG 7. In addition, energy storage is key to increasing renewable energy gen. ration capacity and moving towards 100% renewable energy generation. Fundamentally and rapidly changing how we produce and consume energy, especially for transportati.
بیشتر بخوانیدCompared with traditional energy storage technologies, mobile energy storage technologies have the merits of low cost and high energy conversion efficiency,
بیشتر بخوانیدEnergy storage devices perform an essential function in meeting the increasing demands of modern life in areas ranging from smart grids and portable electronics to electric vehicles. In recent times, there has been a growing focus on reducing greenhouse gas emissions, with supercapacitors, rechargeable batteries, and fuel cells
بیشتر بخوانیدAbstract. Flexible electrochemical energy storage (EES) devices such as lithium-ion batteries (LIBs) and supercapacitors (SCs) can be integrated into flexible electronics to provide power for portable and steady operations under continuous mechanical deformation. Ideally, flexible EES devices should simultaneously possess
بیشتر بخوانیدDielectric spectrum and breakdown field strength results showed that the energy storage density of SiO 2 @ZrO 2 core-shell nanocomposite with low dielectric coating gets 10.4% higher than the optimal value of PP/PP-MAH composites filled raw ZrO 2, and 42.2
بیشتر بخوانیدTo confirm this high-energy-storage device for meeting practically wearable application, the FMSCs are integrated into flexible and textile substrates as energy supplies to power electronic devices. As shown in Figure S18 (Supporting Information), FMSCs are integrated in parallel to stably light up ten LEDs.
بیشتر بخوانیدMao et al. (2019) investigated the heat transfer performance in a novel shell-andtube thermal energy storage tank, called truncated cone type. They numerically evaluated the PCM melting process in
بیشتر بخوانیدHere, the development of nanostructured PAni–RuO 2 core–shell arrays as electrodes for highly stable pseudocapacitors with excellent energy storage performance is reported. A thin layer of RuO 2 grown by atomic layer deposition (ALD) on PAni nanofibers plays a crucial role in stabilizing the PAni pseudocapacitors and improving their energy density.
بیشتر بخوانیدGradient core–shell structure enabling high energy storage performances in PVDF-based Journal of Materials Chemistry A ( IF 11.9) Pub Date : 2024-02-20, DOI: 10.1039/d4ta00008k
بیشتر بخوانیدThe proposed novel finned shell-and-tube thermal energy storage unit filled with metal foam outperformed other competing heat transfer structures, favoring the potentials for
بیشتر بخوانیدHowever, the storage media, i.e., phase change materials (PCMs), commonly suffer from low thermal conductivity, leading to low melting and solidification rate. Hence, the energy storage efficiency requirement is not
بیشتر بخوانیدShell also won an order in 2023 for its CANSOLV ® carbon capture technology for the world''s largest post-combustion carbon capture, utilisation and storage plant. The plant, in Abu Dhabi, UAE, will capture and permanently store 1.5 million tonnes of CO 2 a year at a gas processing plant, helping Abu Dhabi National Oil Company (ADNOC) to decarbonise
بیشتر بخوانیدEnergy storage and exergy efficiency analysis of a shell and tube thermal energy storage unit with non-uniform length and distributed fins Sustainable Energy Technol. Assess., 53 ( 2022 ), Article 102362
بیشتر بخوانیدParticle ETES expands the potential role of thermal energy storage into electric energy storage with technoeconomic potential to support LDES. A detailed
بیشتر بخوانیدThe latent heat thermal energy storage unit (LHTESU) strengthened by metal foam can effectively store solar energy and realize the sustainable utilization of solar energy. In this paper, the metal foam with a two-dimensional (radial and circumferential direction) porosity gradient is proposed for the problem of slow melting rate and non
بیشتر بخوانیدAbhat, Low temperature latent heat thermal energy storage: heat storage materials, Solar Energy 30 (1983) 313–332. [5] S.M. Hasnain, Review on sustainable thermal energy storage technologies. Part I: heat storage materials and techniques, Energy Conversion and Management 39 (1998) 1127–1138. [6]
بیشتر بخوانیدCore-shell structured nanomaterials are suitable for photosensitization due to the unique core-shell structure and high emission and adsorption spectra. Various core-shell structured nanomaterials, including CdS, [ 224] PbS, [ 225, 226] CdTe, [ 227] ZnSe, [ 228] and Ag 2 S, [ 229] etc, have been investigated in QDSSCs.
بیشتر بخوانیدThe rapid development of portable and wearable electronics has given rise to new challenges and provoked research in
بیشتر بخوانیدDemand and types of mobile energy storage technologies. (A) Global primary energy consumption including traditional biomass, coal, oil, gas, nuclear, hydropower, wind, solar, biofuels, and other renewables in 2021 (data from Our World in Data 2 ). (B) Monthly duration of average wind and solar energy in the U.K. from 2018 to
بیشتر بخوانیدA comparative study of thermal behaviour of a horizontal and vertical shell-and-tube energy storage using phase change materials Appl. Therm. Eng., 93 (2016), pp. 348-358, 10.1016/j.applthermaleng.2015.09.107
بیشتر بخوانیدInvestigation on optimal shell-to-tube radius ratio of a vertical shell-and-tube latent heat energy storage system Sol. Energy, 211 ( 2020 ), pp. 732 - 743 View PDF View article View in Scopus Google Scholar
بیشتر بخوانیدAbstract. In this study, the latent heat thermal energy storage system of the shell-and-tube type is analyzed experimentally. A novel design for the storage unit whose geometry is consistent with
بیشتر بخوانیدThe energy stored by the TES unit during charging is 20.93 ± 0.22, 20.28 ± 0.22 and 21.75 ± 0.22 MJ. The higher energy storage in Case 5 is due to the longer charging time and more comprehensive horizontal
بیشتر بخوانیدIn this paper, morphology engineering was developed to optimize the overall temperature-stable energy storage performance of ceramic capacitors. First, SrSn 0.1 Ti 0.9 O 3 (SST) particles were coated on Na 0.5 Bi 0.5 TiO 3 (NBT) rods to form "core-shell" NBT@SST rods by a co-precipitation method to improve the relaxor behavior.
بیشتر بخوانیدLatent energy storage of these materials is attractive as large amounts of energy can be stored or released during the phase-transition compared to the sensible storage [1]. However, the low thermal conductivity of PCMs, which falls mostly in the range of 0.1 W/(m K) to 0.6 W/(m K), is a problem that contributes to undesirable slow
بیشتر بخوانیدUtilizing metal fins is the most popular solution to enhance the performance of PCM-TES. In this work, PCM thermal performance enhancement in a shell and tube heat exchanger
بیشتر بخوانید3.2 Enhancing the Sustainability of Li +-Ion Batteries To overcome the sustainability issues of Li +-ion batteries, many strategical research approaches have been continuously pursued in exploring sustainable material alternatives (cathodes, anodes, electrolytes, and other inactive cell compartments) and optimizing ecofriendly approaches
بیشتر بخوانیدMulti-shell transition metal oxide hollow spheres show great potential for applications in energy storage because of their unique multilayered hollow structure with large specific surface area, short electron and charge transport paths, and structural stability. In this paper, the controlled synthes
بیشتر بخوانیدSection snippets Physical model A schematic view of a shell-tube latent heat thermal energy storage unit is depicted in Fig. 1. As seen, a bundle of tubes is packed inside a shell enclosure. Inside, the enclosure is filled with PCM. A
بیشتر بخوانیدMetal-organic frameworks (MOFs) with orderly porous structure, large surface area, high electrochemical response and chemical tunability have been widely studied for energy conversion and storage. However, most reported MOFs still suffer from poor stability, insufficient conductivity, and low utilization of active sites. One strategy to
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