Research papers An in-situ growth Fe3O4 and polyaniline on
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
Research papers Efficient solar thermal energy utilization and storage
Solar thermal conversion technology employing phase change composites is an available strategy for solar thermal energy utilization and storage. In this work, a novel metal-organic framework (MOF)-based phase change composites were successfully constructed through vacuum impregnation method.
High Dimensional Model Representation Approach for Prediction and Optimization of the Supercritical Water Gasification System
the photothermal energy storage system. The biomass gasification process involves complex physical and chemical processes [22]. Prediction and optimization of the gasification can be performed
Weavable coaxial phase change fibers concentrating thermal energy
1. Introduction. With the rapid development of human society and the continuous improvement of people''s living standards, energy shortage has become an increasing serious problem facing the world [1], [2].At present, the energy consumption used for maintaining the human body thermal comfort, such as air conditioner, electric radiator
Polypyrrole‐boosted photothermal energy storage in
photothermal conversion efficiency of 80.1%, due to the whole band visible (Vis) light absorption of graphene aerogel and ultraviolet (UV) light absorption ability of
Research papers Flexible phase-change composite films for infrared thermal camouflage and photothermal energy storage
To evaluate the photothermal energy-storage performance of the PU/MePCM composite films, an experimental setup was designed as shown in Fig. S6. A Xenon arc lamp with an irradiation intensity of 1000 mW·cm −2 was used as a
A comprehensive review of photovoltaic-thermal (PVT) technology
3. Photovoltaic/thermal (PVT) system. Kern and Russell (1978) first proposed the PVT system in the mid-1970s to address the issue of solar efficiency decline with increasing solar cell temperature. Because more than 80% of renewable power energy is converted to heat, that can harm PV cells if not stored in a thermal collector (Diwania
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
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
A Novel Room-Temperature Flexible Phase Change Material for Solar Energy Photothermal
In recognition of their excellent capacity for regulating thermal energy storage and release, phase change materials (PCMs) have been rediscovered and received growing significance in advanced solar energy storage and battery thermal management (BTM). Nevertheless, their insufficient thermal conductivity, poor shape stabilization, and
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
Molecular Photoelectrochemical Energy Storage Materials for
In this Account, we begin with an introduction of the general solar-to-electrochemical energy storage concept based on molecular photoelectrochemical energy storage materials, highlighting the advantages of periodic oxidative donor-reductive acceptor porous aggregate structures that have synergistic implications on charge
Processes | Free Full-Text | High Dimensional Model
Supercritical water gasification (SCWG) coupled with solar energy systems is a new biomass gasification technology developed in recent decades. However, conventional solar-powered biomass gasification technology has intermittent operation issues and involves multi-variable characteristics, strong coupling, and nonlinearity. To
Advanced Anti-Icing Strategies and Technologies by Macrostructured Photothermal Storage
Zhifeng Hu Research Center of Solar Power and Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, 200240 China Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084 China Search for more
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
Polypyrroleâ boosted photothermal energy storage in
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
Preparation and characterization of ZnO/SiO2@n-octadecane nanocapsule for ultraviolet absorbing and photothermal conversion energy storage
Latent heat energy storage technology with PCM can improve the utilization efficiency of thermal energy and solve the problem of spatio-temporal mismatch in energy use. At present, PCM have been widely used in the medical treatment, solar energy utilization, intelligent textile, air conditioning and component heat management etc. [3], [4].
Recent progress on photothermal nanomaterials: Design,
This review aspires to enrich the understanding of photothermal materials within the framework of energy conversion, offering novel insights and fostering a more
Boosting Low-Temperature Resistance of Energy Storage Devices
In the present work, to address the failure problem of energy storage devices in a cold environment, solar thermal energy was used to improve flexible
High Dimensional Model Representation Approach for
the photothermal energy storage system. The biomass gasification process involves complex physical and chemical processes [22]. Prediction and optimization of the gasification can be performed
Recent advances and perspectives in solar photothermal
Developing high-efficiency solar photothermal conversion and storage (SPCS) technology is significant in solving the imbalance between the supply and
Superhydrophobic multi-shell hollow microsphere confined phase change materials for solar photothermal conversion and energy storage
1 · The development of efficient solar photothermal conversion and energy storage composite (SPCSC) is of great significance in solving the imbalance between supply and demand of solar energy utilization in time and space. Herein, we
Boosting Low-Temperature Resistance of Energy Storage Devices by Photothermal
While flexible supercapacitors with high capacitance and energy density is highly desired for outdoor wearable electronics, their application under low-temperature environments, like other energy storage devices, remains an urgent challenge. Solar thermal energy converts solar light into heat and has been extensively applied for solar
A review of the photothermal-photovoltaic energy supply system for building in solar energy
This review firstly focused on the development of solar PT-PV energy supply system, considering the balance effect of energy storage technology, the research of different types system was explored, and the
Solar photothermal utilization of coupled latent heat storage: A
1 · The development of Energy Storage technologies is critical to achieving a cleaner energy future. As one of the most widely used energy storage technologies, Latent Thermal Energy Storage (LTES) still suffers from poor charging and discharging performance subjected to the low thermal conductivity of Phase Change Materials
Photothermal Devices for Sustainable Uses Beyond
Except for directly acquiring electric energy from the evaporation system, solar energy can be stored in hydrogen by coupling photocatalytic hydrogen generation with photothermal evaporation. The
Engineering 2D MXene and LDH into 3D Hollow Framework for Boosting Photothermal Energy Storage
Besides, C-LDH@MXene-PW composite PCMs also exhibited efficient microwave absorption with a minimum reflection loss of −20.87 dB at 13.30 GHz with a matching thickness of only 2 mm. This distinctive design provides constructive references for the
Self-operation and low-carbon scheduling optimization of solar thermal power plants with thermal storage systems
Photo thermal power generation, as a renewable energy technology, has broad development prospects. However, the operation and scheduling of photo thermal power plants rarely consider their internal structure and energy flow characteristics. Therefore, this study explains the structure of a solar thermal power plant with a thermal
Photothermal Devices for Sustainable Uses Beyond Desalination
There are still some challenges as well as future opportunities in current research despite the great progress in these fields. For example, photothermal energy is susceptible to the weather, and stable power output in all weather conditions can be achieved by coupling with other heating strategies or using a thermal storage device.
Solar photothermal utilization of coupled latent heat storage: A
The role of TES technology in leveraging solar energy is significant [8].Within TES technology, LHTES that utilizes PCM for heat storage/release offers the advantages of high energy density and stable temperature in the storage/release process [9].But PCM as a heat storage medium, has low thermal conductivity [10] significantly impedes the
A novel phase change materials used for direct photothermal conversion and efficient thermal storage
Meanwhile, it can reduce the cost of photothermal energy storage PCMs and further improve the potential of PCM energy storage. Journal of Materials Research and Technology, Volume 24, 2023, pp. 3717-3730
Micro/nano-encapsulated phase-change materials (ePCMs) for solar photothermal absorption and storage
Thermal energy storage technologies With the global focus on energy conservation and lowering greenhouse gas emissions, renewable and sustainable energy has become a major scientific inquiry. Yet, intermittent availability and supply-demand mismatch limit the potential of renewable energy sources and waste heat utilization.
A Review on Microencapsulated Phase‐Change Materials
A novel thermal energy storage (TES) composites system consisting of the microPCMs based on n-octadecane nucleus and SiO2/honeycomb-structure BN layer-by-layer shell as energy storage materials
Preparation and characterization of ZnO/SiO2@n-octadecane nanocapsule for ultraviolet absorbing and photothermal conversion energy storage
Latent heat energy storage technology with PCM can improve the utilization efficiency of thermal energy and solve the problem of spatio-temporal mismatch in energy use. At present, PCM have been widely used in the medical treatment, solar energy utilization, intelligent textile, air conditioning and component heat management etc. [3], [4] .
Theoretical and experimental progress in photothermal catalysis
Photothermal catalysis has emerged as a promising sustainable energy and environmental protection approach by utilizing solar energy to drive catalytic reactions.
Recent advances and perspectives in solar photothermal
Abstract. Developing high-efficiency solar photothermal conversion and storage (SPCS) technology is significant in solving the imbalance between the supply and demand of solar energy utilization in time and space. Aiming at the current research status in the field of SPCS, this review thoroughly examines the phase change materials and
Research papers 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.
Photothermal Energy‐Storage Capsule with Sustainable Evaporation for Efficient Anti‐/Deicing
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
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