photothermal energy storage and light energy technology
Sustainable Porous Scaffolds with Retained Lignin as An Effective Light‐absorbing Material for Efficient Photothermal Energy …
As a result, the photothermal energy storage efficiency of POW-B/PEG and POW-S/PEG are ≈ 86.7% and 79.8% (Figure 4c), ... In other words, the POW/PEG can absorb solar light energy during the day and slowly release heat under cloudy or at …
Emerging 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 …
Photothermal catalytic hydrogen production coupled with thermoelectric waste heat utilization and thermal energy storage …
It would be a useful technology to increase the efficiency of solar energy utilization by integrating photothermal catalysis and TEG waste heat recovery for hydrogen-electricity co-generation. On the other hand, solar energy is low density, instability, and intermittency [46] .
Engineering 2D MXene and LDH into 3D Hollow Framework for Boosting Photothermal Energy Storage …
2D MXene is highly preferred for photothermal energy conversion and microwave absorption. However, the aggregation issue, insufficient dielectric loss capacity, and lack of magnetic loss capacity for MXene severely hinder …
Photothermal materials: A key platform enabling highly efficient water evaporation driven by solar energy …
Photothermal materials form the key platform for efficient light-to-heat conversion. The generated heat can be utilized to drive steam generation, which has recently attracted widespread and intense research interests due to its great potential to be a cost-effective and environmentally friendly technique for clean-water production.
An ultrastrong wood-based phase change material for efficient photothermal conversion and thermal energy …
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 …
High thermal storage ability and photothermal conversion …
The thermal energy storage technology based on phase change materials (PCMs) has exhibited potential to ease the gap between energy supply and demand [3], [5], [6]. Among the existing PCMs, solid-liquid PCMs exhibit attractive intrinsic features including excellent phase change reversibility, and phase change temperatures …
Polypyrrole-coated expanded graphite-based phase change materials for photothermal energy storage …
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 ...
Intrinsically 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 …
Photothermal storage and controllable release of a phase-change azobenzene/aluminum nitride aerogel composite …
Meanwhile, the composite achieves multi-source storage of solar energy and environmental heat with a high isomerization degree and energy storage capacity. Additionally, temperature changes of heat release, induced by visible light, were visually monitored to explore the feasibility of the composite as a solid-state self-heating device.
MXene/Ag doped hydrated-salt hydrogels with excellent thermal/light energy storage, strain sensing and photothermal …
Hydrogels have excellent heat/light energy storage & photothermal antibacterial properties. ... (Grant No. 2022YFG0281), the Science and Technology Project of Chengdu City (Grant No. 2022-YF05-00041-SN), the Youth Science and Technology Innovation and ...
Facile, catalyst-free, and high enthalpy PEG-based phase change composite for use in photothermal …
1. Introduction Worldwide overexploitation of fossil energy and conventional energy crisis have generated a focus on promoting energy efficiency and exploiting alternative energy sources [1, 2].According to Hoeven [3], solar energy will account for 27 % of global electricity generation by 2050, the exploitation and utilization …
Theoretical and experimental progress in photothermal catalysis for sustainable energy …
Catalysts like CuFe2O4 can absorb visible light and serve as photothermal catalysts to efficiently convert light energy into thermal energy, generating hot electrons that accelerate the separation of electron-hole pairs.
Preparation and properties of polyurethane film with photothermal conversion and energy storage …
Purpose This paper aims to provide a flexible polyurethane (PU) film with visible light trapping ability, photothermal conversion and energy storage performance by covalently bonded a visible light absorbing dye into the polymer through copolymerization.
An in-situ growth Fe3O4 and polyaniline on carbon cloth …
PEG-based latent heat storage technology can be used in a variety of industries, including solar energy storage, energy-efficient buildings, and waste heat recovery [5]. However, the applicability of PEG-based PCMs in many fields is constrained by defects such as poor shape stability of PEG, easy leakage during phase transition, low …
Phase change nanocapsules incorporated with nanodiamonds for efficient photothermal energy conversion and storage …
Consequently, the thermal conductivities and light absorption capacities of the nanocapsules are significantly improved simultaneously, thereby promoting efficient utilization of photothermal energy. Download : Download high-res image (277KB) Download : Fig. 9
Preparation of photothermal conversion and energy storage …
Under light irradiation, MPCM composites exhibit good photothermal properties, including large warming rate and phase change energy storage capacity. Therefore the present MPCM composites have great potential in solar energy storage applications and provide insights into the development of multifunctional PCMs.
Carbonized clay pectin-based aerogel for light-to-heat conversion and energy storage …
Meanwhile, the composite PCMs possess suitable phase transition temperature, reliable photothermal energy storage capacity, and excellent shape stability. The energy storage capacity and reliability of those cost-effective carbon-based form stable phase change materials (FSPCMs) reveal their tremendous application potential in solar …
High-directional thermally conductive stearic acid/expanded graphite
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 …
Recent advances and perspectives in solar photothermal conversion and storage …
The primary energy conversions of solar energy include light-thermal conversion, light-electric conversion, and light-chemical conversion [[1], [2], [3]]. Solar photothermal utilization, among them, involves employing specific equipment to convert solar radiation into heat energy through focusing, direct absorption, or other means, …
Photothermal catalysis: From fundamentals to practical applications
Photothermal catalysis is an innovative approach that integrates photochemical and thermocatalytic processes to enable an efficient use of full-spectrum sunlight in catalyzing various chemical reactions for energy conversion and environmental governance. This approach has demonstrated competitive performance and energy …
Phase-changing hydrogels incorporated with copper sulfide-carbon nanotubes for smart thermal management and solar energy storage …
Therefore, energy capture and storage technology are the key to solve the intermittent energy utilization such as solar energy [5]. Thermal energy storage (TES) is widely used because of its low cost and high efficiency [6], [7], which mainly includes chemical energy storage, sensible heat storage and latent heat storage [8], [9] .
Metal-polyphenol based phase change microcapsules for photothermal conversion and storage …
The microcapsule shows high thermal conductivity, energy storage capacity and thermal stability. ... ability in the visible region of 400∼780 nm and near infrared region of 780∼1500 nm. Only the near infrared light …
Polypyrrole-coated expanded graphite-based phase change materials for photothermal energy storage …
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 …
A novel phase change materials used for direct photothermal conversion and efficient thermal storage …
The inherent fluctuation of solar irradiation will seriously affect the stability of energy transfer of traditional photothermal conversion materials. Photothermal conversion phase change materials can combine the mechanisms of photothermal conversion and phase transformation to realize storage or release solar energy at constant temperature …
Synergistic enhancement of photothermal energy storage …
DOI: 10.1016/j.solmat.2024.112831 Corpus ID: 268803028 Synergistic enhancement of photothermal energy storage capacity of polyethylene glycol by polydopamine and nano-copper particles @article{Liu2024SynergisticEO, title={Synergistic enhancement of ...
Recent progress in solar photothermal steam technology for water purification and energy …
The conversion of light energy into heat energy through photothermal effects produced by photoexcitation can be achieved in inorganic materials as well as organic materials [35], [36]. Based on different mechanisms of interaction between materials and light, photothermal conversion mechanism of different materials will be analyzed …
رابط عشوائي
- توليد الطاقة الكهروضوئية ونسبة تخزين الطاقة في نيقوسيا وتالين
- هاتف بطارية تخزين الطاقة القديمة
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