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photothermal energy storage
Flexible phase-change composite films for infrared
These two heat capacity data can still satisfy the request for temperature regulation and photothermal energy storage of PANi@TiO 2 @C 22 MePCM when used in the PU/MePCM composite films. Such a satisfactory latent heat capacity is attributed to a well-defined core-shell structure of TiO 2 @C 22 MePCM, which can be confirmed by a
An azobenzene-based photothermal energy storage system for
Ambient heat, slightly above or at room temperature, is a ubiquitous and inexhaustible energy source that has typically been ignored due to difficulties in its utilization. Recent evidence suggests that a class of azobenzene (Azo) photoswitches featuring a reversible photoinduced crystal-to-liquid transition could co-harvest photon energy and ambient
Journal of Energy Storage
Photothermal materials can convert the absorbed light energy into heat energy, and combined with phase change energy storage materials can realize the utilization of solar energy. The encapsulated PCM is a good combination platform with PCM as core material and shell composed of photothermal materials.
Composite phase change materials with thermal-flexible and
Thermal energy storage (TES) is essential for solar thermal energy systems [7]. (231.6 J/g) and high photothermal storage efficiency (up to 94.02 %), the photothermal phase change microcapsules is used to produce flexible photothermal textiles by solution spinning and hand weaving, it has good elasticity, high melting
A Review on Photothermal Conversion of Solar
[18, 109] During the photothermal catalysis process, solar energy can be used to destroy the chemical bonds to degrade organic pollutants. At the same time, it also can generate new chemical bonds
Polypyrrole-coated expanded graphite-based phase change
Pristine organic phase change materials (PCMs) suffer from liquid leakage and weak solar absorption in solar energy utilization. To address these deficiencies, we prepared polypyrrole (PPy)-coated expanded graphite (EG)-based composite PCMs for photothermal conversion and storage through chemical polymerization and physical
Enhancing solar photothermal conversion and energy storage with
Nowadays, solar energy is widely applied in thermal energy storage, seawater desalination, space heating, energy-efficient buildings, and photovoltaic
Preparation of photothermal conversion and energy storage
Here, novel photothermal conversion and energy storage composite was designed and fabricated to solve the problem. Firstly, nanoscale poly (p-phenylenediamine) (PPPD) as stabilizer and photothermal conversion material was synthesized and used in the encapsulation of lauryl myristate as phase change material (PCM) with phase change
Photothermal Nanomaterials: A Powerful Light-to-Heat
Thermal energy localized at active sites can effectively reduce the activation energy of photothermal catalysis and promote the transfer of charge carriers, thus greatly enhancing the catalytic process.
Phase‐Changing Microcapsules Incorporated with
In this work, by taking advantage of the high photothermal conversion efficiency of BPs, the microencapsulated eicosane and mBPs (mBPs-MPCM) composites show reduced energy
Ternary mixture thermochromic microcapsules for visible light
Therefore, it is of great significance to develop a photothermal conversion energy storage material with low cost and high energy conversion efficiency to reduce fossil energy consumption and meet the sustainable utilization of energy. inexpensive, non-reactive, non-corrosive and efficient energy storage material [9], [10]
Sunlight-Triggered Phase Change Energy Storage Composite
In order to maintain thermal comfort in the human body, photothermal conversion and energy storage microcapsules were designed, developed, and applied in a light-assisted thermoregulatory system. The octyl stearate as a phase change material (PCM) was encapsulated using a polytrimethylolpropane triacrylate (PTMPTA)/polyaniline (PANI)
A Review on Photothermal Conversion of Solar Energy
In this review, we comprehensively summarized the state-of-the-art photothermal applications for solar energy conversion, including photothermal water evaporation and desalination, photothermal
Molecular solar thermal energy storage in photoswitch
Molecular photoswitches can be used for solar thermal energy storage by photoisomerization into high-energy, meta-stable isomers; we present a molecular
An azobenzene-based photothermal energy storage system for
Energy charging process. In a dark room, trans-crystal powder samples were set on a 24 × 24 mm glass slide.The slide was set on a constant temperature heating platform that simulated the ambient heat (T 1).The sample was then irradiated with 365-nm wavelength light (80 Mw/cm 2, 5 cm away) until the trans-crystal was converted into the
Phase‐Changing Microcapsules Incorporated with Black
The two temperature plateaus of both samples can be ascribed to the storage of photothermal energy and release of latent heat as a result of the phase change in the inner eicosane. The total energy storage process which includes the heating process to the phase-changing point and phase-changing process needs 280 s for mBPs
A Review on Photothermal Conversion of Solar Energy with
[18, 109] During the photothermal catalysis process, solar energy can be used to destroy the chemical bonds to degrade organic pollutants. At the same time, it also can generate new chemical bonds for energy storage in hydrogen (H 2), carbon oxide (CO), methane (CH 4), and so on. Therefore, photothermal catalysis can be an
Engineering 2D MXene and LDH into 3D Hollow Framework for
2D MXene is highly preferred for photothermal energy conversion and microwave absorption. However, the aggregation issue, insufficient dielectric loss
Functionally constructed mineral microspheres for efficient
Energy storage materials show enormous potential for the development of energy-saving buildings. However, high-performance composite phase-change materials (PCMs) usually exhibit complex and low photothermal conversion efficiencies. This significantly hinders their application in the construction field.
Photothermal 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
Biodegradable wood plastic composites with phase change
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
High-directional thermally conductive stearic acid/expanded
Particularly, photothermal energy storage systems that store excess solar energy generated during the day for nighttime utilization are widely adopted. Stearic acid (SA) has garnered significant attention as a recommended PCM due to its favorable properties [5], [6], such as cost-effectiveness, high thermal storage density, non
Superhydrophobic multi-shell hollow microsphere confined phase
8 · Solar photothermal conversion and energy storage systems can effectively solve the imbalance between the supply and demand of solar energy utilization in space and time. However, there are still significant challenges, such as the prevalence of low photothermal conversion efficiency,
Processes | Free Full-Text | High Dimensional Model
Firstly, in this study, a SCWG system coupled with photothermal energy storage was established using Aspen Plus. The biomass gasification process is supplied with energy using the photothermal storage system, which avoids the carbon emission problem of conventional fossil. Secondly, an HDMR model was established to predict
Study on characteristics of photovoltaic and photothermal
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 energy of air. When the photothermal energy storage part is used,
Preparation and characterization of ZnO/SiO2@n
Photothermal materials can convert the absorbed light energy into heat energy, and combined with phase change energy storage materials can realize the utilization of solar energy. The encapsulated PCM is a good combination platform with PCM as core material and shell composed of photothermal materials.
Phase change nanocapsules incorporated with
The photothermal conversion and storage mechanism of the ND/SiO 2 NEPCM is illustrated in Fig. 9, primarily attributed to the thermal vibrations of molecules combined with the optical confinement effect of the ND/SiO 2 hybrid shells, as well as the phase change thermal energy storage capacity provided by n-Octadecane. In brief,
High-directional thermally conductive stearic acid/expanded
Particularly, photothermal energy storage systems that store excess solar energy generated during the day for nighttime utilization are widely adopted. Stearic acid (SA) has garnered significant attention as a recommended PCM due to its favorable properties [5], [6], such as cost-effectiveness, high thermal storage density, non-toxicity,
Emerging urchin-like core-shell mineral microspheres with efficient
The synergistic effect of the core-shell structure makes paraffin-SCGT (P-SCGT) composites possess a high photothermal conversion efficiency of 94 % and outstanding heat energy storage capacity, with the melting and crystallization enthalpy of 137.4 J/g and 127.5 J/g.
Multifunctional polyacrylamide/hydrated salt/MXene phase
The PAM/SSD/MXene hydrogels were fabricated via one-step photoinitiated polymerization from an acrylamide monomers/MXene aqueous solution and a homogeneous solution of melted hydrated salts at 50 °C (Fig. 1 a).Herein, the Na 2 SO 4 ·10H 2 O (SSD) works as phase-change energy storage unit, the PAM hydrogel imparts
Flexible phase-change composite films for infrared thermal
DOI: 10.1016/j.est.2023.109203 Corpus ID: 263810576; Flexible phase-change composite films for infrared thermal camouflage and photothermal energy storage @article{Liu2023FlexiblePC, title={Flexible phase-change composite films for infrared thermal camouflage and photothermal energy storage}, author={Huan Liu and Lingyu
Journal of Energy Storage
Photothermal energy conversion and storage. Photothermal conversion is a direct, green and sustainable way of harnessing solar energy by using photothermal conversion materials as a medium to convert solar energy without the need for additional energy. Hydrogels provide a durable and effective photothermal conversion material at
Sunlight-Triggered Phase Change Energy Storage
In order to maintain thermal comfort in the human body, photothermal conversion and energy storage microcapsules were designed, developed, and applied in a light-assisted thermoregulatory system. The octyl
Engineering 2D MXene and LDH into 3D Hollow Framework for
Benefiting from a 3D conductive network facilitating the rapid transport of photons and phonons from the interface to the interior and the synergistic localized surface plasmon resonance (LSPR) effect of MXene and Co magnetic nanoparticles, the C-LDH@MXene-PW composite PCM yielded a high photothermal storage efficiency of
Photothermal materials with energy-storage properties provide an energy
All-weather, high-efficiency solar photothermal anti-icing/deicing systems are of great importance for solving the problem of ice accumulation on outdoor equipm. Photothermal materials with energy-storage properties provide an energy-saving design for highly efficient anti-icing/deicing applications Special Collection:
A novel form-stable phase-change material with high enthalpy
To obtain a novel phase-change material with high enthalpy and long endurance for photo-thermal energy storage, multi-walled carbon nanotubes and h-BN were modified to form carboxylated supporting materials for HA, which have hydroxyl groups. The results of Fourier transform infrared spectroscopy and thermogravimetric
Emerging urchin-like core-shell mineral microspheres with efficient
Enormous challenges still seriously restrict the application of phase change materials (PCMs) in thermal energy storage and heat management systems, such as their leakage, low thermal conductivity, and low photothermal conversion efficiency.We reported an effective strategy for the morphology-controlled synthesis of the composite
Synergistic enhancement of photothermal energy storage
Meanwhile, it can reduce the cost of photothermal energy storage PCMs and further improve the potential of PCM energy storage. Introduction. Currently, fossil fuel resources are being gradually depleted, and the world is facing a severe energy crisis. Efforts are being made to promote energy transition, enhance energy utilization efficiency and
Intrinsically lighting absorptive PANI/MXene aerogel
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
