In this paper, a novel alkali-activated slag-based thermal energy storage composite (ASTESC) was developed, which uses alkali-activated slag cementitious …
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Downloadable (with restrictions)! 1. Abstract: In this study, preparation and thermal storage performance of phase change ceramsite sand and thermal of storage light-weight concrete are studied. Sintering-free ceramsite and ceramsite sand with high adsorption ability were prepared. Then, paraffin is incorporated into them to fabricate phase -change coarse …
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Among many heat storage media, molten salt is favored for its excellent characteristics, such as high melting point, low saturated vapor pressure and viscosity, wide operating temperature range, high energy storage, good thermal stability and safe use, etc [[6], [7], [8]].High-temperature molten salts mainly include nitrate, chloride salts, …
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With the increasing level of fossil fuel consumption and the consequent emissions of greenhouse gases and pollutants, as well as the shortage of the global energy, the economic community has implemented initiatives to steer energy utilization toward sustainable energy development [1, 2] recent decades, the exploitation and application …
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Lightweight aggregate concrete (LWAC) containing novel hollow ceramsite (HC) compounded with paraffin is proposed and charactered.. The compressive strength of LWAC/HC-Paraffin is 41.9 MPa which could be used for structural application and has a good thermal cycle stability.. The 8.1 wt% paraffin introduced into energy storage …
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The invention discloses a preparation method of energy storage ceramsite for photo-thermal power generation, belonging to the technical field of preparation of energy storage media for photo-thermal power generation, and comprising the following steps of: s1: purchasing raw materials and preparing water; s2: crushing and screening to prepare …
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and low price and has been widely used in building various ... the addition of diatomite-based and ceramsite-based thermal storage aggregates significantly improved the temperature ... phase change energy storage gypsum board decreases by 5.8, 8.4, 17.2, and 21.8%, respectively. This indicates that CA-P/
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Considering the application of the solar PV and the valley power price, each cycle experiment lasted for 24 h, including 12 h of the heat storage stage powered on, and 12 h of the heat release stage powered off. ... The preparation of phase change energy storage ceramsite from waste autoclaved aerated concrete. Procedia Environ. Sci., 31 …
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Introduction. The CO 2 generation and energy consumption from building construction are critically harmful to the environment and responsible for many when 50% of energy consumption was attributed to buildings [1]. The effect during work is much more significant than construction because the duration is longer, and the total amount is far …
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During phase transition process, phase change materials (PCMs) can absorb or release a large amount of heat from the environment while maintaining its own temperature basically unchanged. The phase change energy storage material suitable for buildings was obtained from paraffin liquid and stearic acid with mass ration of 78:22, and the melting …
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This paper demonstrated the feasibility of preparing a novel PCM carrier with customized properties through structural design of ceramsite. The results revealed …
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Study on shape-stabilised paraffin-ceramsite composite with stable strength as phase change material (PCM) for energy storage May 2023 Construction and Building Materials 388:131678
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The physical properties of HC and conventional ceramsite (CC) prepared at different sintering temperatures were measured, the leakage of CC/PCM and HC/PCM components after 500 thermal cycles and exposing at 50 °C were characterized, and the thermal energy storage density (D es) values of CC/PCM and HC/PCM components after thermal cycling …
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Natural water pollution and eutrophication are environmental problems that urgently need to be solved. Porous ceramsite could be applied for both water storage and water purification.This research used biomass and dredged silt to prepare water storage ceramsite (WSC), and investigated the adsorption and removal effects of WSC on …
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In this paper, a novel alkali-activated slag-based thermal energy storage composite (ASTESC) was developed, which uses alkali-activated slag cementitious material as matrix to incorporate paraffin/ceramsite shape-stabilized phase change material (SSPCM)prepared by vacuum impregnation method. A series of tests were conducted to …
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Then this prepared LA-SA/Al2O3 was absorbed into ceramsite and encapsulated by styrene-acrylic emulsion and dry cement powder for shape-stability, a ceramsite-based PCM (LA-SA/Al2O3/C) was formed.
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"Review on phase change materials (PCMs) for cold thermal energy storage applications," Applied Energy, Elsevier, vol. 99(C), pages 513-533. Wang, Lijiu & Meng, Duo, 2010. " Fatty acid eutectic/polymethyl methacrylate composite as form-stable phase change material for thermal energy storage," Applied Energy, Elsevier, vol. 87(8), pages 2660 ...
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1. Introduction. Ceramsite is a porous material with the loose bulk density below 1.20 g/cm 3 or the apparent density below 2.00 g/cm 3 [1].Due to its high strength and low density, ceramsite is commonly used in construction materials, such as lightweight blocks, bricks and concrete [2], [3], [4].Generally, ceramsites are produced by the thermal …
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Implementation of phase change energy storage building materials6,7 to save energy and promote economic sustainable development is of great significance8,9. In this paper, we use waste aerated concrete as the carrier and adopt vacuum adsorption and packaging technology to prepare phase change energy storage ceramsite as well as to investigate ...
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Application of phase change energy storage ceramsite The phase change energy storage ceramsite (5%), cement (21%), river sand (50%) and water (24%) were mixed to form a thermal insulation mortar, which is used to form a mortar board with a …
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The inorganic phase change material (PCM) is a promising energy storage material in the construction field because of their characteristics, such as high latent heat, low price and nonflammability.
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Request PDF | Development of a novel alkali-activated slag-based composite containing paraffin/ceramsite shape stabilized phase change material for thermal energy storage | In this paper, a novel ...
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The disposal of fly ash has become a serious problem in China due to its rapid increase in volume in recent years. The most common method of fly ash disposal is solidification-stabilization-landfill, and the most common reuse is low-value-added building materials. A novel processing method for preparing ultra-lightweight ceramsite with fly ash was …
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Three steps were used to prepare phase change energy storage ceramsite. Firstly, PCMs suitable for buildings were prepared, whose phase change temperature can be regulated …
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Download Table | Effect of pressure on adsorption quantity. from publication: The Preparation of Phase Change Energy Storage Ceramsite from Waste Autoclaved Aerated Concrete | During phase ...
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Thermodynamically, a PCM should be selected that has high thermal energy storage capacity per unit volume as it makes the system compact [28].Also, it should have higher values of specific heat capacity and thermal conductivity for a better heat transfer rate [29].As discussed above, the PCM based thermal energy storage system …
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Wang et al.28found that the addition of diatomite-based and ceramsite-based thermal storage aggregates significantly improved the temperature fluctuation …
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PCMs can be applied widely to the field of energy conservation such as construction, solar energy, waste heat and waste cold as a novel energy conservation material, which can retain heat energy in a latent form by phase change (usually solid–liquid phase change), resulting in high energy storage density and little temperature fluctuation …
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The Journal of Energy Storage focusses on all aspects of energy storage, in particular systems integration, electric grid integration, modelling and analysis, novel energy storage technologies, sizing and management strategies, business models for operation of storage systems and energy storage …. View full aims & scope.
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The refined paraffin was purchased from Shanghai Joule wax Co., Ltd (China) that was recommended PCM for building energy storage with high latent heat …
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Thermal conductivity is a key parameter, which has a strong relationship with thermal storage and release rate in thermal energy storage system. Fig. 5 shows the photographs of the samples with 40% diverse particle sizes of kaolin, which was employed to test thermal conductivity of paraffin/kaolin FSPCM, and the diameter of the samples is …
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@article{Zhang2021DevelopmentOA, title={Development of a novel alkali-activated slag-based composite containing paraffin/ceramsite shape stabilized phase change material for thermal energy storage}, author={Yangkai Zhang and Guochen Sang and Xiaoyu Du and Xiaoling Cui and Lei Zhang and Yiyun Zhu and Teng Guo}, journal={Construction and …
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The inorganic phase change material (PCM) is a promising energy storage material in the construction field because of their characteristics, such as high latent heat, low price and nonflammability.
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The phase change energy storage aggregate was prepared with the eutectic mixture of capric acid (CA) and stearic acid (SA) as phase change energy storage material (PCM) and waste autoclaved aerated concrete as skeleton. The results showed that the appropriate mass ratio of CA to SA is 9:1, with melting temperature 26.8°Cand latent heat of 96.4 J/g.
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