(PDF) Exfoliation of graphite by solar irradiation and investigate their thermal …
PDF | On Feb 1, 2016, B. Eanest Jebasingh published Exfoliation of graphite by solar irradiation and investigate their thermal property on capric–myristic–palmitic acid/exfoliated graphite ...
Get a quote
Solar to thermal energy storage performance of composite phase change material supported by copper foam loaded with graphite …
1. Introduction Thermal Energy Storage (TES) has been seen as one of the potential technologies that can significantly enhance the performance of renewable energy systems as well as make renewable energy time-independent, especially solar energy [1], …
Get a quote
Heat transfer analysis of a latent heat thermal energy storage system using graphite foam for concentrated solar …
Lafdi et al. (2008) numerically investigated the thermal performance of graphite foams infiltrated with a PCM for space and terrestrial energy storage systems. They found that the average value of the output power of the new energy storage system was increased significantly due to the high thermal conductivity of the graphite foams.
Get a quote
Energy harvesting and storage blocks based on 3D oriented …
The design method for solar energy storage device improves the photothermal conversion efficiency, thermal conductivity and energy storage of PCMs, …
Get a quote
Preparation of organic based ternary eutectic fatty acid mixture as phase change material (PCM), optimizing their thermal …
Ahmet Sari, Ali Karaipekli, Preparation, Thermal properties and thermal reliability of Palmitic acid/Expanded graphite composite as form- stable PCM for thermal energy storage, Solar Energy Materials & Solar Cells 93(2009) 571-576. [13]
Get a quote
Accelerating the solar-thermal energy storage via inner-light …
Solar-thermal storage with phase-change material (PCM) plays an important role in solar energy utilization. However, most PCMs own low thermal conductivity which restricts the thermal charging ...
Get a quote
Stearic acid/expanded graphite as a composite phase change thermal energy storage material for tankless solar …
A typical use of latent heat storage system in solar energy utilization is tankless solar water heater (TSWH) which developed from conventional solar water heater with water tank. TSWH integrated latent heat storage is a compact solar water heater without a conventional water tank and the storing/releasing of thermal energy is …
Get a quote
Thermal and electrical properties of palmitic acid/expanded …
Semantic Scholar extracted view of "Thermal and electrical properties of palmitic acid/expanded graphite composite phase change materials for thermal energy …
Get a quote
Exfoliation of graphite by solar irradiation and investigate their thermal property on capric–myristic–palmitic acid/exfoliated graphite ...
The structural, thermal energy storage properties, thermal stability and thermal conductivity of novel composite (CA–MA–PA/xG) PCM was investigated. The thermal conductivity and thermal energy storage property of composite PCM when doped with 10% of x G were increased from 0.149 W/mK to 0.180 W/mK which showed …
Get a quote
Ag-graphene/PEG composite phase change materials for enhancing solar-thermal energy conversion and storage capacity …
Nano-carbon material/PCM composite is a new type of solar thermal utilization material, which can carry out thermal energy storage while realizing the solar trapping and photothermal conversion. In previous studies, carbon nanotube [17], [18], reduced graphene oxide (RGO) [19], carbon fiber [20], and carbon aerogel [21] have …
Get a quote
Palmitic acid/polyvinyl butyral/expanded graphite composites as form-stable phase change materials for solar thermal energy storage …
Therefore, the novel form-stable phase change materials are promising in thermal energy storage systems, especially in low-temperature solar energy systems. Introduction Energy is essential for development, however, the conventional fossil fuels are facing shortages, low efficiency, serious waste, etc., and emissions from conventional …
Get a quote
Numerical study on the thermal energy storage performance of graphite …
A paraffin/graphite matrix composite was obtained by the vacuum impregnation method, resulting in diminished latent heat. The graphite matrix annular block (bulk density, ρ bulk = 75 kg/m 3; outer diameter, D o = 112 mm; inner diameter, D i = 26.5 mm; length, l = 50 mm) was prepared by compressing expanded graphite powders in a …
Get a quote
Advances in thermal energy storage: Fundamentals and …
Even though each thermal energy source has its specific context, TES is a critical function that enables energy conservation across all main thermal energy sources [5]. In Europe, it has been predicted that over 1.4 × 10 15 Wh/year can be stored, and 4 × 10 11 kg of CO 2 releases are prevented in buildings and manufacturing areas by extensive …
Get a quote
Thermal conductivities and characteristics of ternary eutectic chloride/expanded graphite thermal energy storage …
A new ternary chloride/expanded graphite was designed for solar energy storage. • The composition of eutectic salts were predicted from calculated phase diagrams. • Thermal properties of composites were measured including heat capacity, specific heat. • …
Get a quote
Graphite could play a big role in the solar, storage industries
For one, graphite is crucial to silicon production. Its resistance to extreme heat makes it ideal for manufacturing the crucibles and moulds used to make silicon, as well as heat shields, thermal insulation components and even gas ducts. It''s also vital for lithium-ion batteries. In 2016, 1.2 million tonnes of graphite was mined across the world.
Get a quote
Palmitic acid/polyvinyl butyral/expanded graphite composites as form-stable phase change materials for solar thermal energy storage …
High thermal conductivity of thermal energy storage medium leads to increased heat transfer rate, faster thermal charging and discharging and higher energy efficiency. However, thermal conductivity of polymer-based form-stable PCMs is low, which limits their practical applications.
Get a quote
Highly conductive solid-solid phase change composites and …
The solar-thermal conversion and storage capability of PCC in direct solar-thermal energy harvesting device depends on two main factors: solar absorptance and thermal …
Get a quote
White-Hot Blocks as Renewable Energy Storage?
Blocks made from graphite or ceramics (akin to the concrete blocks pictured here) may be a promising medium for thermal storage of renewable energy …
Get a quote
Solar to thermal energy storage performance of composite phase …
As per the finding of this study, CF/LA-MA/GR and CF/LA-MA/BN can be a potential shape stable PCM composite for solar to thermal energy conversion and …
Get a quote
High-Performance Phase-Change Materials Based on Paraffin …
Herein, unusual composite PCMs with simultaneously enhanced thermal conductivity and thermal capacity were prepared by loading expanded graphite (EG) …
Get a quote
Solar to thermal energy storage performance of composite phase change material supported by copper foam loaded with graphite …
Introduction Thermal Energy Storage (TES) has been seen as one of the potential technologies that can significantly enhance the performance of renewable energy systems as well as make renewable energy time-independent, especially solar energy [1], …
Get a quote
High-Performance Phase-Change Materials Based on Paraffin …
Preparation and Performance Analysis of Graphite Additive/Paraffin Composite Phase Change Materials. In the thermal energy storage system, the thermal …
Get a quote
Preparation and thermal energy storage properties of paraffin/expanded graphite composite phase change material …
Moreover, the material maintains outstanding room-temperature flexibility, making it being well-suited for practical use, such as a thermal management or solar thermal energy storage. The improvement in photothermal efficiency, facilitated by the surface plasmon resonance of AgNPs, adds a novel dimension to the material''s …
Get a quote
Storing renewable energy with thermal blocks made of aluminum, …
A team of Engineers from Australia''s Newcastle University have developed and patented a thermal energy storage block, approximately the size of a large brick, …
Get a quote
Experimental and numerical study of modified expanded graphite/hydrated salt phase change material for solar energy storage …
Therefore, it can be applied for industrial waste heat energy recovery applications, the solar domestic hot water system and mid-temperature thermal energy storage system. Introduction As a key channel between industrial waste heat or solar energy and end users or building maintenance structure, heat storage system plays a …
Get a quote
Multifunctional flexible composite membrane based on nanocellulose-modified expanded graphite…
During the daytime, when there is sufficient solar radiation, the composite film absorbs sunlight and converts it into heat energy to realize energy storage and maintain a cool indoor environment. At night, the heat stored in the composite is slowly released into the room to support appropriate indoor temperature.
Get a quote
Dual-Functional Aligned and Interconnected Graphite Nanoplatelet Networks for Accelerating Solar Thermal Energy Harvesting and Storage …
Solar thermal energy conversion and storage within phase change materials (PCMs) can overcome solar radiation intermittency to enable continuous operation of many heating-related processes. However, the energy-harvesting performance of current storage systems is always limited by low efficiencies in either solar thermal energy …
Get a quote
Highly conductive composites made of phase change materials and graphite for thermal storage …
In sensible heat storage, thermal energy is stored by changing the temperature of the storage medium, the amount of stored energy depends on its specific heat and on the temperature variation. Mainly dedicated to short-term storage (adapted to treat dynamic variations like cloud effects) using water steam buffer storage, it can also …
Get a quote
Heat transfer enhancement of paraffin wax using graphite foam for thermal energy storage …
To predict the performance of the Paraffin-GFs as a thermal energy storage system, their structure, thermal diffusivity and latent heat were characterized. Results indicated that thermal diffusivity of the Paraffin-GF can be enhanced 190, 270, 500, and 570 times as compared with that of pure paraffin wax.
Get a quote
Enhanced thermal conductivity and shape stabilized LiNO3‐NaCl eutectic/exfoliated graphite composite for thermal energy storage …
LiNO 3 and NaCl salt mixtures are explored as phase change material (PCM) for thermal energy storage. We developed a process for synthesizing LiNO 3 and NaCl eutectic mixture at room temperature and found that eutectic mixture consists of 88.8 wt% LiNO 3 and 11.2 wt% NaCl salts. and 11.2 wt% NaCl salts.
Get a quote
Energy harvesting and storage blocks based on 3D oriented expanded graphite and stearic acid with high thermal conductivity for solar thermal ...
High performance phase change energy storage blocks and bricks with 3D oriented structure have been developed. • When the graphite content is 20 wt%, the latent heat of the oriented PCMs maintains above 159.36 J/g. • …
Get a quote
Preparation and characterization of myristic acid/expanded graphite composite phase change materials for thermal energy storage …
Because of the wide applications of thermal storage technology in many fields, such as solar-energy utilization, the recycling and utilization of industrial exhaust heat, peak-load shifting, and ...
Get a quote
Project Profile: High-Efficiency Thermal Storage System for Solar Plants
Concentrating Solar-Thermal Power. Project Profile: High-Efficiency Thermal Storage System for Solar Plants. -- This project is inactive --. SENER, under the Baseload CSP FOA, aimed to develop a highly efficient, low-maintenance and economical thermal energy storage (TES) system using solid graphite modular blocks for CSP plants.
Get a quote
Elaboration of Conductive Thermal Storage Composites Made of Phase Change Materials and Graphite for Solar …
New thermal storage composites made of graphite and PCM (NaNO 3 /KNO 3 eutectic) have been developed for solar thermal power plants using direct solar steam generation. Those materials, obtained using different elaboration routes (compounding, infiltration, cold compression) and graphite types, are presented with their respective properties …
Get a quote
Thermal properties of eutectic salts/ceramics/expanded graphite composite phase change materials for high-temperature thermal energy storage ...
As described by Jiang et al [8]., the actual energy density of S 20 can be much higher than this because it can be applied in both higher and lower temperature ranges. The energy storage density ...
Get a quote