Photothermal Phase Change Energy Storage Materials: A

Photothermal phase change energy storage materials (PTCPCESMs), as a special type of PCM, can store energy and respond to changes in illumination, enhancing the efficiency of energy systems and demonstrating marked potential in solar energy and

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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 infiltration methods.

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Preparation and properties of polyurethane film with photothermal ...

Allowed the solution to dry at room temperature for seven days and then at 65 C for 12 h to get PTPU films.,The flexible PU films with photothermal conversion and energy storage performances were successfully synthesized and the functional films presented

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Thermal and photo/electro-thermal conversion ...

In the actual energy storage scenario, excessive supercooling degree will cause delayed and inefficient release of thermal energy, reducing energy utilization efficiency [56]. Observing Fig. 4 (c), the incorporation of EG enables significantly improve the supercooling degree of PEG, because the high specific surface area of EG can bring considerable amount of …

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Photothermal Nanomaterials: A Powerful Light-to-Heat …

Making the most use of solar energy along the photothermal evaporation process can contribute in addressing the energy and water scarcities. Researchers have developed strategies to further harvest the input solar …

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Phase change nanocapsules incorporated with nanodiamonds for …

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. In this study ...

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(PDF) Photothermal Phase Change Energy Storage Materials: A ...

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 power ...

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Advances in thermal energy storage: Fundamentals and …

Hence, researchers introduced energy storage systems which operate during the peak energy harvesting time and deliver the stored energy during the high-demand hours. Large-scale applications such as power plants, geothermal energy units, nuclear plants, smart textiles, buildings, the food industry, and solar energy capture and storage are ideal candidates for TES …

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Magnetically-accelerated photo-thermal conversion and energy storage ...

A novel magnetically-accelerated solar-thermal energy storage method was developed. • The storage efficiency is increased by 102.7% when adding bionic porous nanoparticles. • Energy storage efficiency and capacity can be enhanced by the magnetic field.

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Journal of Energy Storage

Energy storage time, h 4 Energy release time, h 4 Photothermal-assisted subsystem Solar irradiation, W/m 2 800 Solar collector area, m 2 430 Trough solar collector efficiency, % 66.7 Outlet temperature of solar collector, K 633.15 Trough solar power 25.0

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Carbon-intercalated halloysite-based aerogel efficiently …

6 · By coupling photothermal conversion with energy storage technology, storing solar energy in the form of thermal energy, and then releasing the stored thermal energy in the absence of sunlight, sustainable utilization of solar energy can be achieved [8], [9].

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Light–Material Interactions Using Laser and Flash Sources for Energy ...

This review provides a comprehensive overview of the progress in light–material interactions (LMIs), focusing on lasers and flash lights for energy conversion and storage applications. We discuss intricate LMI parameters such as light sources, interaction time, and fluence to elucidate their importance in material processing. In addition, this study covers …

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Polypyrrole‐boosted photothermal energy storage in MOF‐based …

Importantly, 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

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Photoswitchable phase change materials for unconventional …

K E Y W O R D S electrothermal conversion, magnetothermal conversion, phase change material, photothermal conversion, thermal energy storage 1 INTRODUCTION As clean and sustainable energy storage ...

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Molecular solar thermal energy storage in photoswitch oligomers ...

High measured energy densities of up to 559 kJ kg −1 (155 Wh kg −1), long storage lifetimes up to 48.5 days, and high quantum yields of conversion of up to 94% per …

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Study on characteristics of photovoltaic and photothermal …

At the initial stage, the outlet temperature of the expander is lower than 273.15 K, indicating that the photothermal energy storage at this time cannot effectively improve the internal energy of the air. Water circulation is needed as the heat source of the expansion ...

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Photothermal Phase Change Energy Storage Materials: A ...

conversion efficiency, thermal conductivity, and energy storage capacity of PCMs. The reduction in supercooling increased the Citation: Wang L, Yu H, Feng W. Photothermal Phase Change Energy Storage Materials: A Groundbreaking New Energy Solution.

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A novel photothermal energy storage phase change material with …

In this study, stearic acid (CA-SA) was used as phase change material (PCM), carbon nanotubes and nitriding (CNT, BN) as support materials to prepare CNT-BN-SA-1 composites by vacuum impregnation. According to the results of the thermal conductivity of CNT-BN-SA-1, the maximum thermal conducti...

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Improvement of azobenzene photothermal energy storage …

This paper proposes a molecular model of covalent grafting of azobenzene derivatives with graphite-like carbon nitride based on hydrogen bond regulation to improve the azobenzene photothermal energy storage density. The enthalpy of isomerization (ΔH) of azobenzene molecular cis-trans isomers is calculated using density functional theory, and the …

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A study on novel dual-functional photothermal material for high ...

Photothermal energy storage curves of (b-c) SA-based PCB-20, and (d-e) nD-based PCB-20, encompassing their respective 3D and 2D interfaces, along with the …

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Polydopamine/copper nanoparticles synergistically modified …

Thermal conductivity of CF/Cu/OC80 composite photothermal PCM is about 12 times of pure OC with 0.26 W m −1 K −1. ... To ascertain how the composite photothermal PCM CF/Cu/OC affects the absorption and storage of solar photothermal energy in as ...

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Phase change nanocapsules incorporated with nanodiamonds for …

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 nanocapsules to solve these …

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Photothermal phase change material microcapsules via cellulose ...

Moreover, photothermal PCM microcapsules are particularly desirable for solar energy storage. Herein, we fabricated photothermal PCM microcapsules with melamine …

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Photoswitchable phase change materials for …

The emerging photoswitchable PCMs present a new paradigm for energy storage and utilization. Beyond long-term heat storage and integrated thermal energy storage and upgrade, more potential applications can be …

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Composite phase-change materials for photo-thermal conversion …

The prepared composites had long heat storage time, 82.57% heat storage efficiency and 92.27% heat release efficiency. ... The energy storage brick achieved a photo-thermal energy conversion efficiency of 95.3%, and the average power of the charging and ...

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A Comprehensive Review of Thermal Energy Storage

Thermal energy storage (TES) is a technology that stocks thermal energy by heating or cooling a storage medium so that the stored energy can be used at a later time for heating and cooling applications and power generation. TES …

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Boosting Low-Temperature Resistance of Energy Storage …

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* Cite This: ACS Appl. Mater. Interfaces 2022, 14, 23400−23407 Read

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Dynamic tuning of optical absorbers for accelerated …

The PCM composites demonstrated stable photothermal energy storage performance in terms of phase transition enthalpy, photothermal storage efficiency, transition temperature, thermal...

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Synergistic enhancement of photothermal energy storage …

Abstract. Phase change materials (PCMs) are a crucial focus of research in the field of photothermal energy storage. However, due to their inherently low photothermal …

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Delivery and utilization of photo‐energy for temperature control ...

Low-temperature energy harvest, delivery, and utilization pose significant challenges for thermal management in extreme environments owing to heat loss during transport and difficulty in temperature control. Herein, we propose a light-driven photo-energy delivery ...

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