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The optimal composites system has an impressive solar thermal energy storage efficiency of up to 94.5%, with an improved energy storage capacity of 149.5 J g −1, even at a low MXene doping level of 5 wt.%. Additionally, the composite structure shows improved thermal conductivity and high thermal cycling stability.
DOI: 10.1016/J RFIN.2021.101071 Corpus ID: 233546531 High-energy and light-actuated phase change composite for solar energy storage and heat release @article{Jiang2021HighenergyAL, title={High-energy and light-actuated phase change composite for solar energy storage and heat release}, author={Yan Jiang and Jiaxing
ConspectusSolar–thermal energy storage (STES) is an effective and attractive avenue to overcome the intermittency of solar radiation and boost the power density for a variety of thermal related applications. Benefiting from high fusion enthalpy, narrow storage temperature ranges, and relatively low expansion coefficients, solid–liquid phase
In this study, a heat transfer self-enhancement mechanism in novel composite phase change materials (CPCMs) was proposed and realized. The study aimed to develop aluminium ammonium sulfate dodecahydrate (NH 4 Al(SO 4) 2 ·12H 2 O, AASD) based novel CPCMs for thermal energy storage..
After incorporating paraffin, the resulting composite exhibits a high phase change enthalpy of 104.4 J g −1, improved thermal conductivity of 0.95 W m −1 K −1, and excellent thermal cycling stability (100.5 J g −1 after 50 heating-cooling cycles), indicating
The storage and utilization of thermal energy can be divided into the following three ways according to different storage: thermos-chemical storage, latent heat and sensible heat [3], [4]. Among them, phase change materials (PCMs) mainly use the absorb and release the enthalpy in the phase transition process (solid–liquid &
Thermal energy storage (TES) techniques are classified into thermochemical energy storage, sensible heat storage, and latent heat storage (LHS). [ 1 - 3 ] Comparatively, LHS using phase change materials (PCMs) is considered a better option because it can reversibly store and release large quantities of thermal energy from the surrounding
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
Converting solar energy into storable thermal energy within organic phase change materials has emerged as a promising way to overcome solar intermittency and
Phase Change Materials (PCM) have emerged as one of the potential candidates for solar Thermal Energy Storage (TES) because of their high energy
Molecular Solar Thermal Systems towards Phase Change and Visible Light Photon Energy Storage. Molecular solar thermal (MOST) systems have attracted
1. Introduction. With the depletion of fossil energy and the increasingly serious environmental pollution [1], the need to develop renewable energy is becoming increasingly urgent [2].As a kind of clean energy, solar energy is mainly applied in photoelectric and photothermal forms [3].Among them, light and heat have the
In this study, a heat transfer self-enhancement mechanism in novel composite phase change materials (CPCMs) was proposed and realized. The study aimed to develop aluminium ammonium sulfate dodecahydrate (NH 4 Al(SO 4) 2 ·12H 2 O, AASD) based novel CPCMs for thermal energy storage.
The solar air collector and phase-change energy storage wall composite heating system, designed by Liu Xin and Feng Gong from Shenyang Jianzhu University,
Among these, thermal energy storage of latent heat has a much larger energy density compared to other thermal energy storage types [30], [31]. Latent heat phase change materials (PCM) can absorb latent heat during the phase transition from a solid to a liquid, which is suitable for practical engineering such as photo-thermal energy
For the evaporation temperature and cooling capacity of the storage-type solar composite air conditioning system, the experiment used the microencapsulated phase change material TH-ME5 with a paraffin wax core and a density of 0.9 g/cm3, a phase change temperature of 5 °C, a latent heat of phase change of 130 J/g, and a
In the proposed study, a novel and low cost biochar-PCM hybrid latent heat energy storage material have been developed and tested. 44.5 and 51.7 wt% in the shape-stabilized composite phase change materials,
Generally, heat storage technologies are mainly divided into sensible heat storage, latent heat storage and thermochemical energy storage (Putra et al., 2019). Compared with sensible heat storage, phase change heat storage has higher heat storage density and its temperature approximately remains constant during heat
In order to enhance heat storage capacity, the two-step method was proposed via a neutralization reaction and chemically hydrophobic grafting process to construct a unique RHA nanoporous
Compared with photo-thermal storage efficiency for paraffin (24.14%) and paraffin@SiO 2 (40.26%), the obtained optically driven phase change microcapsules have excellent photo-thermal conversion and thermal energy storage performance (85.36%). These novel microcapsules will be a potential candidate for the application in roof of
Here, we report a high-energy organic phase change composite (PCC) by introducing long-chain azobenzene molecule (AZO) into low-cost tetradecyl alcohol (TA)
Therefore, TDA is particularly suitable for energy storage under specific environmental conditions such as building energy efficiency, industrial waste heat, and solar thermal storage [12, 13]. As a solid–liquid PCMs, the volume change of TDA during phase transition must be controlled to prevent liquid leakage problems, which could
Solar walls have been studied for decades as a way of heating building from a renewable energy source. A key ingredient of these wall is their storage capacity. However, this increases their weight and volume, which limits theirs integration into existing building. To aleviate this problem, storage mass is replaced by a phase change materials.
With the sharp increase in modern energy consumption, phase change composites with the characteristics of rapid preparation are employed for thermal energy storage to meet the challenge of energy crisis. In this study, a NaCl-assisted carbonization process was used to construct porous Pleurotus eryngii carbon with ultra-low volume
1. Introduction. Solar thermal energy conversion and storage technology is essential for the effective utilization of abundant solar energy for industrial heating, hot water supply, and other heating-related applications [[1], [2], [3]].However, the intermittent and erratic nature of solar irradiation seriously limits the extensive harnessing of solar
Solar energy storage is an essential application of PCMs, which can effectively break the disadvantages of uneven distribution of solar energy in time and space. Developing a heat-insulating composite phase change material with light-to-thermal conversion performance from graphene oxide/silica hybrid aerogel. Appl. Therm.
In view of the excellent characteristic of thermal energy storage, phase change materials (PCMs) are of great significance for improving the efficiency of solar thermal energy utilization.However, the direct thermal effect of visible-light (40% of solar radiation) is very low. In order to improve the capabilities of visible-light absorption and
1. Introduction. Thermal energy storage (TES) technology refers to the collection of excess heat or cold energy in virtue of a so-called storage medium and making use of them through energy conversion processes, and has been demonstrated to be one of the most potent ways to eliminate the energy mismatch between supply and demand
Rice husk (RH) is a highly recyclable biomass and often used as biofuel. However, residual rice husk ash (RHA) from burning RH is difficult to dispose and causes a serious environment threat. In this
Heating and cooling rates of CuO/Paraffin composite PCMs (a) Heating rate as a function of heating time; (b) Solar energy storage using phase change materials Renew. Sust. Energy Rev., 11 (2007), pp. 1913-1965 View PDF View article View in Scopus [28]
The utilization, conversion and storage of clean solar energy serving composite phase change materials (PCMs) (SAM) composite as phase change material for light-to-heat energy conversion and storage J. Energy Storage, 36 (2021), Article 102428 View PDF
The latest development of PCM composites that are capable of stably storing solar–thermal energy as latent heat at room temperature for months or even years is
Sustainable utilization of solar energy with a more compact solar heating system is a significant research. In this study, a novel form-stable composite phase change material (PCM) was prepared for application in solar energy conversion and storage. Paraffin as
1. Introduction. Phase change material (PCM) is an effective heat storage material and has great potential to reduce energy costs and relieve the current energy crisis [1].Among PCMs, solid–liquid phase change materials (SLPCMs) are widely used due to their high latent heat and low price.
Abstract. The rapid development of photovoltaic technology provides more possibilities for the efficient application of solar energy in buildings. This research proposed a phase change material (PCM) heat storage wall
Analysis of a phase change material-based unit and of an aluminum foam/phase change material composite-based unit for cold thermal energy storage by numerical simulation Appl. Energy, 256 ( 2019 ), Article 113921
Materials Detailed information Purpose Producers Paraffin Phase transition temperature 58 C, latent heat value of 200.1 J/g A solar energy storage material Nanyang Xigu New Materials Co., Ltd. Sodium acetate anhydrous Purity ≥99.0 % A raw material of sodium
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 al. discusses PCM thermal energy storage progress, outlines research challenges and new opportunities, and proposes a roadmap for the research
The thermal properties, such as latent heat and phase change temperature, are investigated by a differential scanning calorimeter (DSC). Thermal conductivity is determined by a hot disk method. The results of ESEM analysis show that the SA is well dispersed in the porosity of AC. The DSC results indicate that the composites
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