@article{osti_1649591, title = {Ceramic encapsulated metal phase change material for high temperature thermal energy storage}, author = {McMurray, Jake W. and Jolly, Brian C. and Raiman, Stephen S. and Schumacher, Austin T. and Cooley, Kevin M. and Lara-Curzio, Edgar}, abstractNote = {Thermal energy storage (TES) is a
Read MoreSo far, several experiments on the solid–liquid phase change in metal foams have been conducted. Generally, the phase field method is a kind of interface tracking method for crystal phase change materials with a fixed melting temperature. Heat transfer enhancement for thermal energy storage using metal foams embedded
Read MoreAmong them, the latent heat storage (LHS) based on phase change materials (PCMs) is more promising compared to others since it has a higher storage capacity in a small temperature range [4, 5]. Heat transfer enhancement for thermal energy storage using metal foams embedded within phase change materials (PCMs)
Read More1. Introduction. Replacement of fossil fuels by renewable energy sources especially solar energy is a clear solution for the future of energy. With the decreased cost of photovoltaic (PV) and concentrated solar power (CSP) for electricity generation, the challenge of energy storage becomes more important due to the unavailability of
Read MoreThree aspects have been the focus of this review: PCM materials, encapsulation and applications. There are large numbers of phase change materials that melt and solidify at a wide range of temperatures, making them attractive in a number of applications. Paraffin waxes are cheap and have moderate thermal energy storage
Read MoreThe materials used for latent heat thermal energy storage (LHTES) are called Phase Change Materials (PCMs) [19].PCMs are a group of materials that have an intrinsic capability of absorbing and releasing heat during phase transition cycles, which results in the charging and discharging [20].PCMs could be either organic, inorganic or
Read MoreLatent heat thermal energy storage (LHTES) is often employed in solar energy storage systems to improve efficiency. This method uses phase change materials (PCM) as heat storage medium, often augmented with metal foam to optimize heat transfer.
Read MoreSix compositions of aluminum (Al) and silicon (Si) based materials: 87.8Al-12.2Si, 80Al–20Si, 70Al–30Si, 60Al–40Si, 45Al–40Si–15Fe, and 17Al–53Si–30Ni (atomic ratio),
Read MoreThermal energy storage by solid-liquid phase change is one of the main energy storage methods, and metal-based phase change material (PCM) have attracted more and more attention in recent years
Read MorePhase change energy storage technology has been widely used in the fields of solar energy utilization By equidistantly placing aluminum tube encapsulated with a phase change material on the back of the photovoltaic module to reduce the temperature of the photovoltaic panel, the experiments showed that compared with
Read MoreThe current study deals with the modelling and simulation of a cooling thermal energy storage unit consisting of an aluminum container partially filled with a phase change material (PCM). Two unsteady models are implemented and discussed, namely a conduction-based model and a conduction-convection-based one.
Read MorePreparation and thermal energy storage properties of paraffin/calcined diatomite composites as form-stable phase change materials, Thermochim Acta 2013; 558: 16-21. [6] Wang L, Meng D. Fatty acid eutectic/polymethyl methacrylate composite as form-stable phase change material for thermal energy storage, Appl Energy 2010; 87: 2660
Read MoreEmbedding metal foams into phase change heat transfer systems can be used to improve the comprehensive heat transfer performance, which is receiving increasing attention in the field of thermal management. With the thickening of metal fins, the average energy storage power of PCM increases and then decreases. Xu et al. 2018
Read MoreWith the development of high-efficiency energy storage systems, materials with higher phase change temperatures are in demand urgently for more
Read MoreThermal energy storage can shift electric load for building space conditioning 1,2,3,4, extend the capacity of solar-thermal power plants 5,6, enable pumped-heat grid electrical storage 7,8,9,10
Read MorePhase change material (PCM)-based thermal energy storage significantly affects emerging applications, with recent advancements in enhancing
Read More1. Introduction. Climate change mitigation is one of the key issues to address for researchers and energy makers [1], [2] is stated that there is an urgent need to develop a new energy supply system as sustainable as possible, that take into account our economic system and our social environment, with the aim of maintaining our
Read MoreAbstract. In this paper, a novel form-stable phase change material (PCM) for high-temperature thermal energy storage was prepared and characterized to
Read MoreThis study focuses on heat transfer enhancement in double pipe energy storage system. Enhancement is achieved by use of metal screens/spheres placed inside the phase change material (PCM), which is paraffin wax and results in increasing the effective thermal conductivity of the combined media of PCM and metal screens/spheres.
Read More1. Introduction. MPCM is a new material encapsulated in dense and flexible polymer shell material by microcapsule preparation technology [1].The energy storage density of phase change materials is large, and the storage and release of heat is realized by phase change caused by the change of external temperature [2, 3].But it
Read MoreA latent heat thermal energy storage system with a phase change material, partially filled with a metal foam, was numerically investigated. The geometry of the system was a hollow cylinder. The PCM was pure paraffin wax RT 58 which melts in a range of temperatures equal to 326–332 K.
Read MoreSix compositions of aluminum (Al) and silicon (Si) based materials: 87.8Al-12.2Si, 80Al–20Si, 70Al–30Si, 60Al–40Si, 45Al–40Si–15Fe, and 17Al–53Si–30Ni
Read MoreHere, we review the recent advances in thermal energy storage by MOF-based composite phase change materials (PCMs), including pristine MOFs, MOF composites, and their derivatives. At the same time, this review offers in-depth insights into the correlations between MOF structure and thermal performance of composite PCMs.
Read MoreAn overview of recent literature on the micro- and nano-encapsulation of metallic phase-change materials (PCMs) is presented in this review to facilitate an understanding of the basic knowledge, selection criteria, and classification of commonly used PCMs for thermal energy storage (TES). Metals and alloys w Recent Review Articles
Read MoreThis work proposes a fin-stone hybrid structure integrating fins (popular thermal enhancers) and natural stones (widely used sensible heat storage media) to enhance the heat transfer of phase change materials for on-site thermal energy storage applications, with advantages of low cost, environmental friendliness, and easy
Read MoreAbstract. An overview of recent literature on the micro- and nano-encapsulation of metallic phase-change materials (PCMs) is presented in this review to facilitate an
Read MoreIn this work the thermal energy storage of the so called solar salt (60% NaNO 3 - 40% KNO 3) was improved by adding a phase change material composed of Al-Cu alloy nanoencapsulated with an aluminium oxide layer naturally formed when exposed to oxygen. The resistance of the oxide shell to thermal cycling up to 570 °C and its
Read MoreAlso, the onset and completion of the phase change process are severely affected by the addition of the influence of variable porosity. Zhuang et al. [12] investigated the effects of gradient porous metal foam on the heat storage capabilities of latent heat thermal energy storage and the 3D melting heat transfer. According to their findings
Read MoreAluminum and silicon based phase change materials for high capacity thermal energy storage. Zhengyun Wang, Hui Wang, +4 authors. Z. Ren. Published 5
Read MorePhase change materials (PCMs) are one of the promising materials in thermal energy storage systems. In this work PCM nanocomposites were prepared using melt-blending technique by dispersing metal nanoparticles (Fe, Cu) at mass fraction of 0.5 wt% in magnesium nitrate hexahydrate (MNH), an inorganic salt hydrate PCM.
Read MorePhase change materials (PCMs) have emerged as promising materials for latent heat storage due to their characteristic solid-liquid phase transition behavior during the melting and cooling process. Among them, organic phase change materials are commonly used in latent heat storage. Herein, new phase
Read MorePhase change materials (PCMs) having a large latent heat during solid-liquid phase transition are promising for thermal energy storage applications. However, the relatively low thermal conductivity of the majority of promising PCMs (<10 W/(m ⋅ K))
Read MoreThermal energy storage (TES) is a broad-based technology for reducing CO 2 emissions and advancing concentrating solar, fossil, and nuclear power through improvements in efficiency and economics. Phase change materials (PCMs) are of interest as TES media because of their ability to store large amounts of heat in relatively small
Read MorePhase change materials provide desirable characteristics for latent heat thermal energy storage by keeping the high energy density and quasi isothermal working temperature. Along with this, the most promising phase change materials, including organics and inorganic salt hydrate, have low thermal conductivity as one of the main
Read MoreA review on phase change energy storage: materials and applications. Energy Convers Manag, 45 (2004), pp. 1597-1615. Corrosion of metal and metal alloy containers in contact with phase change materials (PCM) for potential heating and cooling applications. Appl Energy, 125
Read MoreHITEC salt (40 wt. % NaNO2, 7 wt. % NaNO3, 53 wt. % KNO3) with a melting temperature of about 142 °C is a typical phase change material (PCM) for solar energy storage. Both aluminum oxide (Al2O3
Read MoreThermal energy storage (TES) using metal alloys as phase change material (PCM) is a promising technology for generating cost-effective dispatchable power from concentrated solar power (CSP).
Read MoreThermal energy storage by solid-liquid phase change is one of the main energy storage methods, and metal-based phase change material (PCM) have attracted more and more attention in recent years due to their high energy storage density and high thermal conductivity, showing unique advantages in thermal energy storage system and
Read MoreLatent heat thermal energy storage (LHTES) is often employed in solar energy storage systems to improve efficiency. This method uses phase change materials (PCM) as heat storage medium, often augmented with metal foam to optimize heat transfer. In this paper, we introduce a novel approach of altering the container shape to enhance
Read MoreAs shown in Fig. 9, there is little change on the phase change properties of these NanoPCMs after 25, 50, 75, and 100 thermal cycles, indicating that they can store/release thermal energy repeatedly at almost constant phase change temperatures without decrease of phase change enthalpies (Table 4). Moreover, the PDA modification
Read MoreAs the photovoltaic (PV) industry continues to evolve, advancements in aluminum phase change energy storage have become instrumental in optimizing the utilization of renewable energy sources. From innovative battery technologies to smart energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
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