Composite phase change materials with thermal-flexible and
1. Introduction. With the depletion of fossil energy and the increasingly serious environmental pollution [1], the need to develop renewable energy is becoming increasingly urgent [2].As a kind of clean energy, solar energy is mainly applied in photoelectric and photothermal forms [3].Among them, light and heat have the
Scattered Co-anchored MoS2 synergistically boosting photothermal
To demonstrate the practical application of photothermal conversion and thermal energy storage, we designed a house model with a roof coated with paint containing PW/MoS 2 @Co/C-700 composite PCMs. The solar energy was effectively captured by the house model and the converted thermal was visually observed by the infrared thermal imager
Microcrystalline graphite-coupled carbon matrix composites with
It has good application prospects in thermal energy storage technology [6, 8]. Photothermal conversion is a method that strongly relies on photon capture, thermal conversion, and solar energy storage [9], which is the most direct and effective way of solar energy utilization. Due to the instability and intermittency of solar energy, a large
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
Synergistic enhancement of photothermal energy storage
Phase change materials (PCMs) are a crucial focus of research in the field of photothermal energy storage. However, due to their inherently low photothermal conversion efficiency, traditional PCMs absorb solar energy scarcely. The photothermal conversion ability of PCMs are usually enhanced by incorporating photothermal conversion nanoparticles.
Generation 3 Concentrating Solar Power Systems (Gen3 CSP)
Project Name: Gen3 Gas-Phase System Development and Demonstration Location: Hampton, NH DOE Award Amount: $7,570,647 Awardee Cost Share: $1,899,003 Principal Investigator: Shaun Sullivan Project Summary: In this project, a commercial-scale gas-phase concentrating solar thermal power (CSP) system will be developed in the first two Gen3
A study on novel dual-functional photothermal material for high
Introduction. Recent years, the exploration and harnessing of solar energy have garnered significant attention. Among the wide array of solar-energy utilization methods (including photovoltaic, photochemical, and photothermal approaches), solar-thermal conversion is particularly promising as it involves a direct conversion process
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
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.
Design and application of polyurethane-polydopamine/Ag double
The double-layer design of the P/O@PU@PDA/AgNPs provides leakproofness and shape stability, making them ideal for photothermal energy storage applications. Introduction. [22], composition [23], and mechanical properties of phase change microcapsules directly affect the energy storage efficiency and durability of microcapsules, which is an
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.A photothermal process is a direct
Weavable coaxial phase change fibers concentrating thermal energy
In this work, smart thermoregulatory textiles with thermal energy storage, photothermal conversion and thermal responsiveness were woven for energy saving and personal thermal management. Sheath-core PU@OD phase change fibers were prepared by coaxial wet spinning, different extruded rate of core layer OD and sheath layer PU
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
Molten Salt Storage for Power Generation
The major advantages of molten salt thermal energy storage include the medium itself (inexpensive, non-toxic, non
Photothermal storage and controllable release of a phase
The energy decreases of PAzo were also explored in the dark to obtain the best storage time for solid photothermal fuel device. As shown in Fig. 4 d, the residual ΔH isom of Azo decreases from 112 J/g to 54.3 J/g in 48 h, consistent with Fig. 3 b.
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
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
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,
Photothermal-assisted scheme design and thermodynamic
The conventional photothermal-assisted scheme adopted by advanced adiabatic compressed air energy storage (AA-CAES) has equal stages of expanders
Photothermal-assisted scheme design and thermodynamic
The conventional photothermal-assisted scheme adopted by advanced adiabatic compressed air energy storage (AA-CAES) has equal stages of expanders and high-temperature reheaters, and is equipped with a regenerator to waste heat recovery, which is relatively complex and requires high solar heat supply and solar irradiance.
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
An azobenzene-based photothermal energy storage system for
This novel photothermal energy harvest and storage system tactfully coupled photochemistry and thermophysics by exploiting the reversible PCLT feature of Azo molecules and achieved photoinduced ambient heat conversion.
Synergistic enhancement of photothermal energy storage
1. 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 replace non-renewable energy with sustainable alternatives [1, 2].Solar energy has gained widespread attention thanks to its continuous energy
A shape-stabilized phase change composite from biomass
The prepared composites with excellent shape stability present favorable thermal energy storage in photothermal conversion and thermal modulation technologies. Li et al. [7] synthesized a highly innovative conductive and photothermal phase change composite (PCC) by vacuum impregnation using a modified carbon black as a substrate.
Photothermal properties and photothermal conversion performance
To this end, photothermal conversion and energy storage using phase change materials have become increasingly popular approaches for producing, storing, and utilizing thermal energy in industrial
Phase change nanocapsules incorporated with
Phase change nanocapsules exhibit significant potential in harnessing photothermal energy to address the ever-growing energy demand; however, their application is restricted by limited solar absorption capacity and low thermal conductivity this study, nanodiamonds (NDs) were firstly incorporated with phase change
Direct conversion of CO and H
The typical energy of the storage ring was 2.5 GeV with a maximum current of 250 mA. The non-mobile system was formed by closing the valve. After each reaction, the gas-phase products were
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]
Flexible phase-change composite films for infrared
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. The double-layered microcapsules
Generation 3 Concentrating Solar Power Systems
Project Name: Gen3 Gas-Phase System Development and Demonstration Location: Hampton, NH DOE Award Amount: $7,570,647 Awardee Cost Share: $1,899,003 Principal Investigator: Shaun Sullivan Project
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
Preparation of photothermal conversion and energy storage
In this work, sunlight-induced phase change energy storage microcapsules were investigated based on poly (p-phenylenediamine) (PPPD) stabilized Pickering emulsion, where PPPD nanoparticles were first used as Pickering emulsion stabilizer as well as photothermal material in the preparation of PCM microcapsules.The formulation of
Synergistic enhancement of photothermal energy storage
Phase change materials (PCMs) are a crucial focus of research in the field of photothermal energy storage. However, due to their inherently low photothermal conversion efficiency, traditional PCMs absorb solar energy scarcely. The photothermal conversion ability of PCMs are usually enhanced by incorporating photothermal conversion nanoparticles.
Study on characteristics of photovoltaic and photothermal
This study focuses on the photovoltaic power generation and photothermal energy storage coupled compressed air energy storage system, study the matching law
Superhydrophobic multi-shell hollow microsphere confined phase
However, solar energy is susceptible to intermittent and stochastic environmental influences [8, 9], which lead to the inability of photothermal materials [[10], [11], [12]] to convert energy continuously and, therefore, need to work with storage media.
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 SiO2/honeycomb-structure BN layer-by-layer shell as energy storage materials
An in-situ growth Fe3O4 and polyaniline on carbon cloth
1. Introduction. Thermal energy management including thermal energy collection, conversion, and storage is becoming increasingly important to effectively utilize thermal energy and thus achieve sustainable development [1].Photothermal energy conversion technology, which captures solar radiation and converts it directly into thermal
Fe3O4/carbon-decorated graphene boosts photothermal
Pristine organic phase change materials (PCMs) are difficult to complete photothermal conversion and storage. To upgrade their photothermal conversion and storage capacity, we developed Fe-MOF (metal-organic framework) derived Fe 3 O 4 /C-decorated graphene (GP) based composite PCMs toward solar energy harvesting.
Photothermal Nanomaterials: A Powerful Light-to-Heat Converter
The investigation of photothermal materials with broadband absorption is beneficial for the utilization of renewable solar energy, while the engineering of materials
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
Flexible phase-change composite films for infrared
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 heat, and release it in a small range of temperature fluctuation through reversible solid-liquid phase transitions [1, 2] ch a
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