Sustainable Porous Scaffolds with Retained Lignin as An Effective Light‐absorbing Material for Efficient Photothermal Energy
In this regard, solar-thermal energy storage using organic PCMs has emerged as a promising way due to their high energy storage capacity, [3, 4] small volume change, [] excellent thermal stability, [] and nontoxicity. []
Dual-mode harvest solar energy for photothermal Cu2-xSe
UV-NIS-DRS spectrum displays that biogenic Cu 2-x Se NPs exhibit strong light absorption in the wavelength range of 250–2500 nm, which forms the basis for
Flexible highly thermally conductive biphasic composite films for multifunctional solar/electro-thermal conversion energy storage and thermal
These findings suggest that PCMs can rapidly convert solar energy into thermal energy, facilitating the storage and release of thermal energy. In Fig. 7 (a), we present the maximum temperature attained by samples S2, S4, S5, and S6 under simulated sunlight of 1080 Mw/cm 2 .
Phase 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
High-directional thermally conductive stearic acid/expanded graphite
Subsequent explorations of this technology across diverse fields, such as lithium battery thermal management [26], thermal energy storage [27], photothermal storage integration [28], and solid-state refrigeration [29],
Polypyrrole-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]].
Multifunctional polyacrylamide/hydrated salt/MXene phase
The PCM composites exhibited a high phase change enthalpy of 158.1 J/g and good light-to-thermal conversion effect. Based on the good flexibility, thermal energy storage and photothermal conversion properties of the PAM/SSD/MXene hydrogels, these hydrogels were explored their feasibility in wearable thermal therapy
A novel bifunctional microencapsulated phase change material loaded with ZnO for thermal energy storage and light–thermal energy
Moreover, the microencapsulated PCMs showed a high photothermal storage efficiency of about 75.2%. These results demonstrated that the obtained microencapsulated PCMs not only possess excellent thermal energy storage capacity but also have high light–thermal storage efficiency, which may expand the potential applications of thermal energy storage.
Polypyrrole‐boosted photothermal energy storage in
1 INTRODUCTION. Renewable, abundant, and clean solar energy is expected to replace fossil fuels and alleviate the energy crisis. However, intermittentness and instability are the deficiencies of solar energy due to its weather and space dependence. [] Emerging phase change material (PCM)-based photothermal
Phase change nanocapsules incorporated with nanodiamonds for efficient photothermal energy conversion and storage
Solar energy can be absorbed by the photothermal nanomaterials within the shell and converted into thermal energy, then stored by the PCMs inside the capsules. Currently, photothermal materials primarily consist of metal-based plasma, semiconductor materials, carbon-based materials, and organic polymer materials [7].
Principles and applications of photothermal catalysis
The photothermal effect has been widely observed in various photothermal materials, such as inorganic materials (e.g., plasmonic metals and semiconductors) 20, 21 and organic materials (e.g., polymers) 22, which convert incident light into thermal energy (heat) under irradiation.
Full-wood photoluminescent and photothermic materials for thermal energy storage
Conclusions. In summary, a full-wood photoluminescent and photothermic material with delignified wood as supporting material, CQDs derived from the removed lignin as backfill fluorescent material, and PEG as phase change materials is reported. Compare with other CQDs excited by UV light, the CQDs exhibit two emission
Ternary mixture thermochromic microcapsules for visible light absorption and photothermal conversion energy storage
This can be explained that RTPCMs-C3 and RTPCMs-O3 can more effectively convert light energy into heat energy, showing good photothermal conversion properties. Between 500 and 1500 s, RTPCMs-C3 and RTPCMs-O3 show obvious phase change platform, mainly due to the phase change of the microcapsules and the heat
Overtone photothermal microscopy for high-resolution and high
Photothermal microscopy is a highly sensitive pump-probe method for mapping nanostructures and molecules through the detection of local thermal gradients. While visible photothermal microscopy and
Solar Energy Materials and Solar Cells
As the implementation of PCM into building components increases the thermal storage capacity of buildings [[11], [12], [13]] and the accumulation of the energy storage and the acceleration of the photothermal conversion in the glazing unit, PCM-filled sandwich glazed structure is considered one of the prospective technologies to improve
Polypyrrole‐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
Solar-driven photothermal catalytic CO 2 conversion: a review
Light-induced electron-thermal coupling energy storage system: a full-spectrum solar energy conversion process with detailed mass and energy flow diagram of overall process, optical loss, products and others; b high-concentration CO and CH 4 formation with a photothermal combustion reactor.
Polypyrrole-coated expanded graphite-based phase change
The excellent light-harvesting capability facilitates the rapid capture of light energy, which is then converted into thermal energy and stored in PCMs as latent heat. Therefore, the synergistic integration of EG and PPy endows PEG@EG/PPy composite PCMs with excellent photothermal conversion and storage properties due to the
Photothermal materials with energy-storage properties provide an energy
Photothermal materials with energy-storage properties provide an energy-saving design for highly efficient anti-icing/deicing applications Owing to the synergistic effect of the latent heat released from the phase change material and the thermal-insulation effect of the internal micro-porous structure, MP@PPCM exhibits a
Organic-inorganic hybrid phase change materials with high energy
5 · Compared with SAT, photothermal conversion of HPC is prolonged and as well as the thermal energy storage time, which is mainly due to the thermal energy storage and release of n-eicosane. Due to the high thermal conductivity network and high solar light absorption capacity of EG, S1-S5 samples accelerate the temperature rise and shorten
Nano Energy
Solar to hydrogen-electricity and thermal storage system (STHET) is proposed. • Hydrogen production in STHET is improved by recycling scattered light. •
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)
Flexible phase-change composite films for infrared thermal camouflage and photothermal energy storage
1. Introduction Solid-liquid phase-change materials (PCMs) are a type of latent heat-storage material. They can absorb and store a large quantity of thermal energy from different heat sources, such as solar and waste
Full-wood photoluminescent and photothermic materials for thermal
Phase change material (PCM) with outstanding thermal energy storage and temperature regulation, holds tremendous interest in energy conservation and management. However, the application of conventional PCMs is limited due to issues of liquid leakage, poor mechanical properties, and insufficient photothermal conversion
The reinforced photothermal effect of conjugated dye/graphene oxide-based phase change materials: Fluorescence resonance energy
The composites effectively stored thermal energy through phase transition triggered by solar-to-thermal energy conversion under solar illumination with a high energy storage efficiency of 88.6%. GO sheets modified with anthraquinone dyes (GO-co-Bdye) exhibited an enhanced photothermal effect compared with pristine Bdye and
A study on novel dual-functional photothermal material for high-efficient solar energy harvesting and storage
High-performance dual-function photothermal-storage 3D phase change block (PCB). • Analysis of the underlying mechanism of thermal conductivity enhancement in the PCB. • PCB-surface forest-like 3D light absorbers built by laser-controllable induction. •
A novel bifunctional microencapsulated phase change material
Moreover, the microencapsulated PCMs showed a high photothermal storage efficiency of about 75.2%. These results demonstrated that the obtained microencapsulated PCMs not only possess excellent thermal energy storage capacity but also have high light–thermal storage efficiency, which may expand the potential applications of thermal energy
Ternary 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 materials were explored.
Enhancing solar photothermal conversion and energy storage
The photothermal conversion efficiency (γ) is calculated as the ratio of the latent heat-storage energy to the solar irradiation energy throughout the phase-change process as follows [10]: (4) γ (%) = m Δ H m A P Δ t × 100 where m is the mass of the samples, Δ H m is the melting enthalpy of the samples, Δ t is the time for the sample to
Magnetically accelerated thermal energy storage within Fe
High photothermal storage efficiency is the focus of improving solar energy utilization efficiency. The photothermal storage efficiency (η) was calculated according to the following equation, in which m and ΔH are the weight and fusion enthalpy of the composite PCMs, respectively, and P is the power of the simulated solar irradiation.
Synergistic enhancement of photothermal energy storage
Meanwhile, PDA also improved the overall thermal conductivity of the material. Our work provided a new method to utilize the photothermal properties of polydopamine. Meanwhile, it can reduce the cost of photothermal energy storage PCMs and further improve the potential of PCM energy storage.
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
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