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Flexible phase-change composite films for infrared thermal camouflage and photothermal energy storage …
To meet the requirement of multipurpose applications in infrared thermal camouflage and solar photothermal energy storage, we have developed a series of multifunctional composite films based on polyurethane (PU) as a flexible matrix and double-layered phase-change microcapsules as an additive. ...
يتعلم أكثرFlexible phase-change composite films for infrared thermal camouflage and photothermal energy storage …
images in Fig. 2 a and b. Its mean particle diameter was determined to be 2.72 μm (Fig. 2 c). In the second synthetic stage, ... To evaluate the photothermal energy-storage performance of the PU/MePCM composite films, an …
يتعلم أكثرBiodegradable Wood Plastic Composites with Phase Change Microcapsules of Honeycomb-BN-layer for Photothermal Energy Conversion and Storage ...
The energy storage technology is one of the crucial methods to improve energy utilization efficiency. Phase change heat storage technology can solve the contradiction of energy supply mismatch in ...
يتعلم أكثرPolypyrrole-coated expanded graphite-based phase change materials for photothermal energy storage …
The integration of PCMs and photothermal conversion materials can efficiently convert solar energy into thermal energy and store it in the form of latent heat. This integrated technology can achieve the goal of simultaneous solar energy utilization and efficient energy storage [1,[15], [16], [17], [18], [19]].
يتعلم أكثرPolypyrrole‐boosted photothermal energy storage in MOF‐based …
Emerging phase change material (PCM)-based photothermal conversion and storage technology is an effective and promising solution due to large thermal …
يتعلم أكثرDirect conversion of CO and H2O to hydrocarbons at atmospheric pressure using a TiO2−x/Ni photothermal catalyst | Nature Energy
Light-driven synthesis of hydrocarbons could be an attractive route to fuels, but approaches towards this have typically needed H2 as a reactant. Here the authors report that a TiO2−x/Ni ...
يتعلم أكثرPreparation of photothermal conversion and energy storage …
For the purpose of photothermal conversion and storage energy, the optical absorption properties of the microcapsule samples are estimated by UV–vis-NIR diffuse reflectance spectra. As shown in Fig. 7 b, the MF resin shows weak absorption intensity of approximately 0.10 in the wavelength range of 300–2000 nm, indicating low …
يتعلم أكثرPhotothermal Energy-Storage Capsule with Sustainable …
Herein, a photothermal energy-storage capsule (PESC) by leveraging both the solar-to-thermal conversion and energy-storage capability is proposed for efficient anti-/deicing. Under illumination, the surface temperature can rise to 55 °C, which endows fast droplet evaporation to prevent the subsequent bulk freezing, and the accumulated ice and frost …
يتعلم أكثرPhotothermal Energy‐Storage Capsule with Sustainable …
tothermal energy-storage capsule (PESC) by leveraging both the solar-to-thermal. conversion and energy-storage capability is proposed for ef ficient anti-/deicing. Under illumination, the surface ...
يتعلم أكثرPrinciples and applications of photothermal catalysis
Three vital design criteria shall be used for photothermal catalysts to obtain excel-lent catalytic performance: (1) achieving intense light absorption across the entire solar spectrum, (2) accomplishing high efficiency of light-to-heat conversion, and (3) realizing superior catalytic activity and stability.
يتعلم أكثرPolyurethane-Based Photo/Thermal Energy-Storage Capsules …
The encapsulation efficiency and phase change performances of capsules are investigated by thermogravimetric analysis (TGA) and differential scanning …
يتعلم أكثرPhase change nanocapsules incorporated with nanodiamonds for efficient photothermal energy conversion and storage …
ND was firstly incorporated into NEPCM for efficient solar energy utilization. • The phase change nanocapsules exhibit a high thermal conductivity of 0.747 W/m·K. • The nanocapsules present exceptional latent heat and leak-proof performance. • The photothermal
يتعلم أكثرBiodegradable wood plastic composites with phase change microcapsules of honeycomb-BN-layer for photothermal energy conversion and storage ...
A novel thermal energy storage (TES) composites system consisting of the microPCMs based on n-octadecane nucleus and SiO 2 /honeycomb-structure BN layer-by-layer shell as energy storage materials, and wood powder/Poly (butyleneadipate-co-terephthalate) (PBAT) as the matrix, was created with the goal of improving the heat …
يتعلم أكثرWeavable coaxial phase change fibers concentrating thermal energy storage, photothermal …
In this work, smart thermoregulatory textiles with thermal energy storage, photothermal conversion and thermal responsiveness were woven for energy saving and personal thermal management. Sheath-core PU@OD phase change fibers were prepared by coaxial wet spinning, different extruded rate of core layer OD and sheath layer PU …
يتعلم أكثرSynergistic enhancement of photothermal energy storage …
Currently, a major challenge facing phase change materials for solar energy storage is their high cost, particularly due to the expense of the photothermal conversion particles. Therefore, there is an urgent need to find a method to reduce the usage of photothermal conversion particles without compromising their photothermal conversion and storage …
يتعلم أكثرPhase change nanocapsules incorporated with nanodiamonds for efficient photothermal energy conversion and storage …
The photothermal energy conversion and storage mechanism was illustrated. Abstract Phase change nanocapsules exhibit significant potential in harnessing photothermal energy to address the ever-growing energy demand; however, their application is restricted by limited solar absorption capacity and low thermal conductivity .
يتعلم أكثرStudy on characteristics of photovoltaic and photothermal coupling compressed air energy storage …
Fig. 2 shows the CAES system coupling with solar energy, Photovoltaic power generation provides the required electrical energy for compressors. When the photothermal energy storage part is not used, other thermal storage media are used to store the internal ...
يتعلم أكثرIntrinsically lighting absorptive PANI/MXene aerogel encapsulated PEG to construct PCMs with efficient photothermal energy storage …
Low photothermal conversion efficiency and difficulty in thermal energy storage are still obstacles during the solar energy utilization and conversion [9]. In order to solve the above problems, finding a suitable thermal storage material with photothermal conversion capability for long-term solar thermal energy storage has become a research …
يتعلم أكثرDesign and application of polyurethane-polydopamine/Ag double-shell microcapsules for enhanced photothermal conversion and incremental energy storage
The PDA/AgNPs layer can efficiently convert light energy into thermal energy, while the PU shell facilitates the transfer of this energy to the internal PCM for storage. The photothermal conversion of the PDA/AgNPs layer primarily relies on the excellent photothermal effect of PDA and the synergistic effect of silver nanoparticle …
يتعلم أكثرEmerging urchin-like core-shell mineral microspheres with efficient photothermal conversion and solar energy storage …
Morphology-controlled synthesis microspheres with urchin-like core-shell structure • Synergistically enhancing efficient photothermal conversion and heat energy storage • The light-thermal conversion efficiency of the composite PCMs reaches 94 %. • …
يتعلم أكثرA novel flexible and fluoride-free superhydrophobic thermal energy storage coating for photothermal energy …
The fluoride-free superhydrophobic thermal energy storage coating on cloth exhibits excellent flexibility, superhydrophobicity, and photothermal conversion efficiency, offering the possibility of wearability. Download : Download high-res image (305KB)Download : Download full-size image
يتعلم أكثرHigh-Efficiency Photo-Thermo-Electric System with Waste Heat …
In this system, one carbon foam (CF) doped with PPy and PEG is used as a layer for photothermal conversion and energy storage, and the other CF─where one …
يتعلم أكثرPhotothermal Devices for Sustainable Uses Beyond Desalination
In the current Review, we summarize the recent progress on sustainable uses of photothermal materials, including wastewater and oil-spill cleanup, moisture …
يتعلم أكثرPhase Change Energy Storage Material with …
However, the preparation of photocurable phase change materials (PCMs) with photothermal conversion and self-cleaning properties is challenging due to the conflict between the transparency …
يتعلم أكثرWeavable coaxial phase change fibers concentrating thermal energy storage, photothermal …
DOI: 10.1016/j.cej.2024.149281 Corpus ID: 267449381 Weavable coaxial phase change fibers concentrating thermal energy storage, photothermal conversion and thermochromic responsiveness toward smart thermoregulatory textiles The first assembled flexible ...
يتعلم أكثرA Review on Photothermal Conversion of Solar Energy with …
In this review, we comprehensively summarized the state-of-the-art photothermal applications for solar energy conversion, including photothermal water …
يتعلم أكثرPhotothermal conversion-enhanced thermoelectric generators …
To facilitate the storage of solar thermoelectric energy generated by the STEG device, the SC device has been selected as the energy storage component to integrate and couple …
يتعلم أكثرAdvances in flexible hydrogels for light-thermal-electricity energy conversion and storage …
In order to improve energy efficiency and reduce energy waste, efficient energy conversion and storage are current research hotspots. Light-thermal-electricity energy systems can reconcile the limited supply of fossil fuel power generation with the use of renewable and clean energy, contributing to green and sustainable production and living.
يتعلم أكثرThermodynamic analysis of photothermal-assisted liquid compressed CO2 energy storage …
Pressure drops of throttle valve, MPa 0.33 Energy storage time, h 4 Energy release time, h 4 Photothermal-assisted subsystem Solar irradiation, W/m 2 800 Solar collector area, m 2 430 Trough solar collector efficiency, % …
يتعلم أكثرA novel form-stable phase-change material with high enthalpy …
Abstract. To obtain a novel phase-change material with high enthalpy and long endurance for photo-thermal energy storage, multi-walled carbon nanotubes and h …
يتعلم أكثرTheoretical and experimental progress in photothermal catalysis for sustainable energy …
Photothermal catalysts can convert near-infrared (NIR) light into thermal energy with nearly 100 % efficiency, making them suitable for photothermal applications [31]. Nevertheless, a significant challenge with thermal catalysts is the need for high temperatures (e.g., 250 °C) for activation, which sunlight alone cannot provide.
يتعلم أكثرPrinciples and applications of photothermal catalysis
Solar energy, as a type of abundant, clean, and renewable energy, has been widely used in various fields in the past decades, including desalination, 8 solar evaporation, 9 and photoelectric processes. 10 In 1972, a pioneering work was reported by Fujishima and Honda on a photoelectrochemical system composed of a TiO 2 …
يتعلم أكثرAn azobenzene-based photothermal energy storage system for co-harvesting photon energy …
Dong L, Zhai F, Wang H, Peng C, Feng Y, Feng W. An azobenzene-based photothermal energy storage system for co-harvesting photon energy and low-grade ambient heat via a photoinduced crystal-to-liquid transition. Energy Materials. 2022; 2(4): …
يتعلم أكثرTernary mixture thermochromic microcapsules for visible light absorption and photothermal conversion energy storage …
1. Blue and black thermochromic microcapsules were prepared by using in-situ polymerization. • 2. The microcapsules had great heat storage properties and thermal cycle durability. • 3. The photothermal conversion properties of conjugated organic polymer
يتعلم أكثرPolypyrrole boostedphotothermalenergystorage …
Impor-tantly, the photothermal conversion and storage efficiency of ODA@MOF/ PPy ‐6% is up to 88.3%. Additionally, our developed MOF‐based photothermal composite PCMs also exhibit long‐standing antileakage stability, energy storage stability, and photothermal conversion stability. The proposed coating strategy and in‐depth understanding ...
يتعلم أكثرPhotothermal catalytic hydrogen production coupled with …
STHET consists of a photothermal catalytic system and a thermoelectric generator (TEG) system, which can realize hydrogen-electricity co-production and …
يتعلم أكثرStudy on characteristics of photovoltaic and photothermal …
This study focuses on the photovoltaic power generation and photothermal energy storage coupled compressed air energy storage system, study the matching law …
يتعلم أكثرThermal energy storage materials designed from recycled Tetra Pak waste and paraffin waxes with enhanced photothermal …
The photothermal conversion and thermal energy storage capacity of PCM composites fabricated from recycled TP waste, PW, and EG were investigated in this work. The prepared composites exhibited several unique features, including good shape stability, heat storage capacity, thermal conductivity, and significant photoabsorption …
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