Microencapsulation of molten salt in stable silica shell via a water-limited sol-gel process for high temperature thermal energy storage
The versatile water-limited sol-gel silica coating method can theoretically be used for any salt PCMs encapsulation at micro/nano scale, Thermal energy storage for low and medium temperature applications using phase change materials – a review,
Experimental investigation of a thermochemical energy storage system based on MgSO4-silica gel
Semantic Scholar extracted view of "Experimental investigation of a thermochemical energy storage system based on MgSO4-silica gel for building heating: adsorption/desorption performance testing and system optimization" by Hui Yang et al. DOI: 10.1016/j.enconman.2023.118000
Energies | Free Full-Text | The Design and Test for
This paper presents the design and a short cycle repeatability test of a silica gel-based thermal energy storage system using low grade heat for the desorption phase. The system was designed
Sol-gel Capacitor Dielectric Offers Record-high Energy Storage
Jul 29, 2015. — Atlanta, GA. Using a hybrid silica sol-gel material and self-assembled monolayers of a common fatty acid, researchers have developed a new capacitor dielectric material that provides an electrical energy storage capacity rivaling certain batteries, with both a high energy density and high power density.
Heat-pump/energy-store using silica gel and water as working
The more affordable desiccant silica gel (SG) has also been shown to be a suitable TES material with efficient dehydration at 65-105 • C and a storage capacity around 0.6 MJ/kg [1,14, 17].The
Experimental investigation of a thermochemical energy storage
This article proposed a atomization spraying method, that uniformly sprays magnesium sulfate solution onto the surface of silica gel in a short period of time, while
Simultaneous impregnation and microencapsulation of CaCl2
The CaCl2 impregnated silica gel that was encapsulated in methyl cellulose showed reasonably high stability and energy storage performance after 3
The Design and Test for Degradation of Energy Density of a Silica Gel-Based Energy Storage
Energies 2020, 13, 4513 3 of 15 heat of adsorption from the silica gel/water working pair. The main goal of this research is to test the degradation in the energy storage density of the silica gel
Study of sorption based energy storage system with silica gel for heating application
Silica gel-water, a solid adsorption working pair, has gathered attention because silica gel is widely used as a desiccant, but it has a low energy storage density (80 kWh/m 3 ) [40].
Energies | Free Full-Text | The Design and Test for Degradation of Energy Density of a Silica Gel-Based Energy Storage
This paper presents the design and a short cycle repeatability test of a silica gel-based thermal energy storage system using low grade heat for the desorption phase. The system was designed to test the degradation in the energy storage density of the adsorbent material for a 2 h working period in a short number of cycles (5 cycles). Low
Development and characterization of silica gel–LiCl composite sorbents for thermal energy storage
Silica gel–LiCl composite sorbents were prepared for thermal energy storage. • Salt concentration and pore volume are key parameters to find suitable sorbent. • SLi30 was determined to be the most appropriate sample. •
Experimental investigation of a thermochemical energy storage system based on MgSO4-silica gel
This paper aims to develop new thermochemical materials (TCM) for low-grade thermochemical heat storage. Silica gel as a host material was impregnated with 30 wt% of MgSO4·7H2O, CuSO4·5H2O, and
Study of sorption based energy storage system with silica gel for heating application
Notably, higher cooling water flow rates generally enhance Energy Storage Density (ESD) for materials like silica gel, UiO-66, and NH 2-UiO-66, albeit at the cost of reduced SHP and COP h. Conversely, lower flow rates can lead to higher temperature lift (ΔT) for specific materials, although with a slight ESD decrease.
Heat-pump/energy-store using silica gel and water as a working pair
With silica gel absorbing water by 25±2% of the dry silica gel''s weight, the heat of adsorption and the heat of wetting of 2712.43±30 kJ/kg SiO 2 and 94.43± 15 kJ/kg SiO 2 have been achieved respectively. The concentration rate for the two reaction pair was investigated and a general relationship that governed the adsorption rate with time
(93c) Thermal Energy Storage (TES) with Silica Gel Regenerated
In our previous study [7], silica gel has been identified as a promising adsorbent candidate for thermal energy storage applications. In this study, a commercial silica gel material was used to examine the effects of relative humidity (RH) on the material behaviour and its experimental energy density at low regeneration temperature (50 â€"
Simultaneous impregnation and microencapsulation of CaCl2 using silica gel and methyl cellulose for thermal energy storage
Thermal energy storage utilizing the adsorption of moisture from air is a promising energy storage technology due to its high energy density and minimum heat losses. Salt hydrates and salt hydrate composites, such as calcium chloride (CaCl 2) and CaCl 2-based composites, have shown favourable energy storage properties in this area of research.
Thermochemical energy storage using silica gel: Thermal storage
Thermochemical energy storage using silica gel: Thermal storage performance and nonisothermal kinetic analysis March 2023 Solar Energy Materials and Solar Cells 251(2):112153 DOI:10.1016/j.solmat
Fluidisable mesoporous silica composites for thermochemical energy storage
A new composite sorbent based on SrBr 2 and silica gel for solar energy storage application with high energy storage density and stability Appl Energy, 190 (2017), pp. 1184-1194, 10.1016/j.apenergy.2017.01.041
Simultaneous impregnation and microencapsulation of CaCl2 using silica gel and methyl cellulose for thermal energy storage
like low energy storage density, the need for toxic chemicals, and signicant heat losses 3. Adsorption based TES is a newer technology, which in this particular study, involves adsorption of water
(93c) Thermal Energy Storage (TES) with Silica Gel Regenerated
In our previous study [7], silica gel has been identified as a promising adsorbent candidate for thermal energy storage applications. In this study, a commercial
Experiment investigation on optimization of cylinder battery thermal management with microchannel flat tubes coupled with composite silica gel
Lithium-ion battery modules with a high risk of combustion and explosion have attracted much attention recently, so effective battery thermal management systems (BTMS) become very vital to the battery module. In this study, a microchannel flat tubes-assisted composite silica gel (CSG-LC) has been designed to the thermal uniformity and
Silica sol–gel chemistry: creating materials and architectures for
Sol–gel chemistry offers an incredible breadth of opportunities for energy generation and storage. The sol–gel process goes well beyond the ability to simply
Application of power battery under thermal conductive silica gel plate in new energy
The design and test for degradation of energy density of a silica gel-based energy storage system using low grade heat for desorption phase. Energies 13 (17), 4513 (2020). Article CAS Google Scholar
[PDF] Water Vapor Adsorption In Silica Gel For Thermal Energy Storage Application
1 Excerpt. Thermal energy storage (TES) by water vapor adsorption process has attracted increasing interest for its thermal applications such as space heating and cooling. However, the experimental energy density of the adsorbents may vary as the operating system and conditions change, which could be much lower than the theoretical
Experimental study on adsorption characteristics of a water and silica-gel based thermal energy storage
A lab scale physi-sorption based thermal energy storage system was constructed. • Water uptake on to silica-gel was measured and compared to an isotherm theory. • Measured water uptake is only 29.8–56.7% of the theoretical isotherm estimation.
Development and characterization of silica gel-LiCl composite sorbents for thermal energy storage
The calculation results showed that the energy densities for the composite sorbents have been remarkably improved as more hygroscopic LiCl was added into the silica gel matrix. The SLi30 sample could achieve a cold storage density of 108 kWh/m<SUP>3</SUP> and a heat storage density of 163.6 kWh/m<SUP>3</SUP> at a desorption temperature of 80
Experimental study on adsorption characteristics of a water and silica-gel based thermal energy storage
This study is focused on characterizing the adsorption process of a sorption based thermal energy storage (TES) systems. A lab scale closed loop physi-sorption based TES system was constructed and silica-gel (SiO 2) is used as the adsorbent and water as the adsorbate.) is used as the adsorbent and water as the adsorbate.
Silica Gel
Hence, a large amount of silica gels is required especially for long-term energy storage. Therefore, they are no longer attractive for researchers to investigate ( Palomba and Frazzica, 2019 ). Moreover, utilizing silica gels in closed systems is not a viable alternative for short-term applications, yet, for long-term applications, they offer higher energy than
PV thermal regulation and water harvesting hybrid system using evaporative cooling of silica gel
via desorption cooling and water harvesting using a silica gel layer is investigated numerically. J. Energy Storage, 57 (2023), Article 106185, 10.1016/j.est.2022.106185 View PDF View article View in Scopus Google Scholar Gado et al., 2022 Gado, S.
Experimental study on composite silica gel supported CaCl2 sorbent for low grade heat storage
M.A. Tahat, Heat-pump/energy-storage using silica gel and water as a working pair, Appl. Energy 69 (2001) 19–27. [20] J. Jänchen, D. Ackermann, H. Stach, W. Brosicke, Studies of the water ad- sorption on zeolite and modified mesoporous material for seasonal storage of solar heat, Solar Energy 76 (2004) 339–344. [21]
Development and characterization of silica gel-LiC1 composite sorbents for thermal energy storage
In general, silica gel is utilized diffusely in thermal energy storage (Yu et al., 2014), extraction of water from air (Bar, 2004;Wang et al., 2017), adsorption heat transformation (Gordeeva et al
Magnesium sulphate hybrids with silica gel and activated alumina for thermal energy storage
The silica gel composite with 15 g of MgSO 4 had the highest values for energy storage density, specific energy, and maximum thermal power, compared to the other composites, according to Fig. 6. Thus, silica gel/MgSO 4 composites with different amounts of salt were synthesized and tested in order to quantify and optimize the effects
Thermochemical energy storage using silica gel: Thermal storage
Thermochemical energy storage using silica gel: Thermal storage performance and nonisothermal kinetic analysis. Y. Qiu, Yan Yang, +4 authors.
Design of silica gel/water adsorption chiller powered by solar energy
Journal of Energy Storage Volume 63, July 2023, 107055 Research papers Design of silica gel/water adsorption chiller powered by solar energy for air conditioning applications
Silica gel/inorganic salts composites for thermochemical heat storage: Improvement of energy storage
This paper aims to develop new thermochemical materials (TCM) for low-grade thermochemical heat storage. Silica gel as a host material was impregnated with 30 wt% of MgSO4·7H2O, CuSO4·5H2O, and
Experimental study on composite silica gel supported CaCl2 sorbent for low grade heat storage
Researchers have successfully impregnated silica gel with salts such as SrBr 2 [28], CaCl 2 [29, 30], LiCl [31], and MgCl 2 [32] in an attempt to improve energy storage density.
Thermochemical energy storage using silica gel: Thermal storage
This paper presents the design and a short cycle repeatability test of a silica gel-based thermal energy storage system using low grade heat for the desorption phase.
Experimental optimization of operating conditions for an open bulk-scale silica gel/water vapour adsorption energy storage
The energy storage density of silica gel was mentioned by Strong et al. [14]. Figure 2 shows that pure vermiculite has very low energy storage density of 5kWh/m 3 at 50% RH at the inlet after
Exploring the Versatility of Aerogels: Broad Applications in Biomedical Engineering, Astronautics, Energy Storage
The production of silica aerogels typically consists of two stages: (1) the sol-gel process (the synthesis of an alcogel) and (2) supercritical drying. Using principles of sol-gel chemistry, the alcogel is first made by stimulating hydrolysis and condensation processes of silica precursors in a solvent/water/catalyst solution [ 139 ].
Further improvement of the synthesis of silica gel and CaCl2 composites: Enhancement of energy storage density and stability
A new composite sorbent based on SrBr 2 and silica gel for solar energy storage application with high energy storage density and stability Appl. Energy, 190 (2017), pp. 1184-1194 View PDF View article View in
Experimental study on adsorption characteristics of a water and silica-gel based thermal energy storage
These hydrophilic adsorbents are investigated for many applications e.g. silica-gel for greenhouse air-conditioning [29], drying of agricultural products [30,31], thermal energy storage system [32
