To meet the demands of the global energy transition, photothermal phase change energy storage materials have emerged as an innovative solution. These materials, …
In this review, we first categorize the mechanisms of photothermal effects into three types based on the different mechanisms of heat generation. We also present a comprehensive overview of the recent …
Solar heat storage technology is urgently needed to harness intermittent solar energy to directly drive widespread heat-related applications. However, achieving high-efficiency solar heat storage remains elusive due to …
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. Introduction. Currently, fossil fuel resources are being gradually depleted, and the world is facing a severe energy crisis. ...
Photothermal detection of single absorbers, such as single nanoparticles or single molecules, has been demonstrated.35−38 With the advantages of high-sensitivity and label-free nature, photothermal-based methods were extended from the visible to the IR region in both and spectroscopy. Lee et al.39 demonstrated a scanning photothermal IR ...
Zhenting Xie, Wei Feng, Hong Wang, Rong Chen, Xun Zhu, Yudong Ding, Qiang Liao; Photothermal materials with energy-storage properties provide an energy-saving design for highly efficient anti-icing/deicing applications.
Combining large solar reserves with energy storage technology can increase the utilization of renewable energy and broaden the application of microencapsulated phase change materials (MEPCMs) in the field of solar energy.
Photothermal phase change energy storage materials show immense potential in the fields of solar energy and thermal management, particularly in addressing the intermittency issues of solar ... thermal storage media in solar collection systems or as working substances in heat pump systems, providing various function-alities in multiple ways [4 ...
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 cis-liquid through …
This paper presents experimental and numerical studies of the turbulent heat transfer in solar thermal absorber tubes. The absorber tube is a significant component in a solar thermal power system.
The design method for solar energy storage device improves the efficiency of photothermal conversion, energy storage of PCMs, provides a simple and economical strategy for large-scale photothermal ...
Here, a brief introduction of the fundamental mechanism and design principle of photothermal materials is presented, and the emerging photothermal applications such as photothermal‐assisted ...
In this study, high energy storage polyurea (PUA) microPCMs for photothermal storage were fabricated from a Pickering emulsion consisting of bio-derived and sustainable regenerated chitin (RCh ...
It is highly desirable to seek green and sustainable technologies, such as employing photothermal effects to drive energy catalysis processes to address the high energy demand and associated environmental impacts induced by the current methods. The photothermocatalysis process is an emerging research area with great potential in efficiently …
Interfacial solar vapor generation (ISVG) has shown extraordinary promise in achieving high-efficiency water purification.However, the rapid water supply often leads to excessive water in the solar absorber, resulting in undesired heat loss and a decrease in evaporation rate.To tackle this issue, we developed a bio-based solar evaporator comprising …
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. Previous article in issue; Next article in issue; Keywords. Polydopamine. Composite phase change materials.
Building on their dual functionality for solar photothermal absorption and storage, slurries/dispersions of micro/nano-encapsulated phase-change materials (ePCMs) are capable of revolutionizing ...
Photothermal catalysis shows great promise for CO 2 reduction, organic degradation, Fischer-Tropsch synthesis and hydrogen production from water due to the …
[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 alternative or ...
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 …
Solar cell, any device that directly converts the energy of light into electrical energy through the photovoltaic effect. The majority of solar cells are fabricated from silicon—with increasing efficiency and lowering cost as the materials range from amorphous to polycrystalline to crystalline silicon forms.
Download Citation | Photothermal Energy‐Storage Capsule with Sustainable Evaporation for Efficient Anti‐/Deicing | The inhibition of ice accumulation on surfaces is of great importance in ...
All forms of energy follow the law of conservation of energy, by which they can be neither created nor destroyed. Light-to-heat conversion as a traditional yet constantly evolving means of converting light into thermal energy has been of enduring appeal to researchers and the public. With the continuous development of advanced nanotechnologies, a variety of …
In this review, we first introduce the fundamental principles of photothermal catal- ysis, including different mechanisms of photothermal conversion (i.e., plasmonic localized heating, non …
Photothermal catalysis has been proposed as a promising alternative to conventional photocatalysis and thermocatalysis for energy transformation and environmental remediation due to its unprecedented light harvesting efficiency, superior throughputs, and moderate reaction conditions [16], [17].This technology integrates solar energy mediated …
Parts of Control Valves In general, a control valve consists of three parts, each of which exists in several types and designs: Parts of a control valve (Reference: cncontrolvalve ) Valve Actuator Valves have actuators that move the modulating elements, such as balls or butterflies. Valve Positioner
Principles and applications of photothermal catalysis Chuqiao Song, 1Zhaohua Wang, Zhen Yin,2,* Dequan Xiao,3,*and Ding Ma SUMMARY Solar energy provides an alternative, sustainable, and clean source of energy to meet the global energy demands without extra carbon emissions. However, the utilization efficiency of sunlight via most
Researchers have recently proposed photothermal catalysis, enabling the use of the near-infrared region of the solar spectrum, and it has been confirmed as an effective photocatalytic strategy for solar light [9] photothermal catalysis, solar-driven photocatalysis and thermodynamically-driven thermal catalysis are a synergistic effect that promotes each other, …
The prepared thermochromic phase change materials (TC-PCMs) have the thermochromic function, which can automatically change their colors according to the ambient temperature, eventually affecting the...
In this review, we first introduce the fundamental principles of photothermal catalysis, including different mechanisms of photothermal conversion (i.e., plasmonic localized heating, non-radiative relaxation of …
Microencapsulated phase change materials (microPCMs) are not only important thermal energy storage medium but can also be applied in harvesting and storage of solar thermal energy by using solar absorbent materials as the shell. In this study, high energy storage polyurea (PUA) microPCMs for photothermal storage were fabricated from a Pickering emulsion …
Energy harvested from ambient heat and photons, i.e., the energy charging process. First column: images of Azo-Cl (A) and Azo-OEt (D) samples on glass slides, showing the trans-crystals at the ...
Global energy demand is rapidly increasing due to the growth of the world''s population and substantial industrial production. 1, 2 Currently, the traditional fossil fuels (oil, natural gas, and coal) still constitute the main source of energy consumption in the world (Figure 1A). 3 However, the tremendous consumption of fossil fuels can lead to severe environment …
Boosting Low-Temperature Resistance of Energy Storage Devices by Photothermal Conversion Effects Fei Yu, Jialun Li, Yi Jiang, Liying Wang, Xijia Yang, Xuesong Li, Wei Lü,* and Xiaojuan Sun* ... SC covered by AgNWs@CMF, and (d) test configuration of the photothermal SC working under illumination. ACS Applied Materials & Interfaces ...
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 infiltration methods.As …
The high-energy photons from the solar spectrum can be absorbed by the upper MOST layer, and photochemically convert norbornadiene to quadricyclane, storing solar energy in the form of chemical energy at around 103 kJ mol −1. In …
