energy storage material photothermal conversion efficiency

Preparation of photothermal conversion and energy storage …

Then the photothermal conversion and energy storage microcapsules were synthesized with MF resin as shell material by simple interfacial polymerization based on above Pickering emulsion. The MPCM composites exhibit a high latent heat of more than 180 J/g, good thermal reliability, and a high photothermal conversion efficiency of up …

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Mesoporous carbon spheres modified polyurethane sponge/phase change material composites: Photothermal conversion, thermal storage and efficient ...

Thus, it is of great significance to develop adsorptive materials with simultaneous photothermal conversion and thermal energy storage ability for efficient utilization of solar energy. Phase change materials (PCMs) can store and release latent heat to regulate the temperature of system [ 31, 32 ].

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Design of phase change composite with hierarchical energy-transfer pathway via laser-induced graphene for efficient energy storage, conversion ...

To estimate the energy storage efficiency of PCCs, we define the photothermal conversion efficiency (η) in Eq. (1) . (1) η = m Δ H P Δ t where m and ΔH represent the mass and the melting enthalpy of the phase change composite, respectively; P is the solar radiation power and Δt is the time of phase change transition.

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Metal-polyphenol based phase change microcapsules for photothermal conversion and storage …

The photothermal conversion and storage efficiency ηp of MPN@PA with shell core feeding ratio of 1.0:1.5, 1.0:1.2 and 1.0:1.0 are as high as 71.47%, 72.45% and 73.31%, respectively. It can be seen that the …

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Polypyrrole‐boosted photothermal energy storage in MOF‐based phase change materials …

Emerging phase change material (PCM)-based photothermal conversion and storage technology is an effective and promising solution due to large thermal energy storage density, high conversion efficiency, good thermochemical stability, and small carbon

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Fe3O4/carbon-decorated graphene boosts photothermal conversion and storage of phase change materials …

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. ...

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Photothermal materials: A key platform enabling highly efficient water evaporation driven by solar energy …

Different categories of photothermal materials are introduced. • Mechanisms of light to heat energy conversion over photothermal materials are presented. • Applications of photothermal materials in solar-steam generation were reviewed. • Future perspectives in the ...

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Composite phase change materials with thermal-flexible and efficient photothermal conversion …

In this paper, a novel Paraffin wax/Thermoplastic elastomer/Carbon nanotube(PA/SEBS/CNT) with shape stability, thermos-flexibility and high photothermal conversion efficiency was prepared, PA as the phase change material, SEBS as the flexible material and

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Phase Change Energy Storage Material with …

Journal of Energy Storage 2023, 64, 107066. https://doi /10.1016/j.est.2023.107066. Compared with the thermal curing process, the photocuring process has advantages such as high …

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Form-stable phase change materials based on graphene-doped PVA aerogel achieving effective solar energy photothermal conversion and storage ...

rGO enhanced the photothermal conversion efficiency of composite PCM (up to 88.2%) Abstract ... Nano-Ag modified bio-based shape-stable phase change material for thermal energy storage Int. J. Energy Res., …

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Temperature‐Responsive Thermochromic Phase Change Materials with Tunable Photothermal Conversion Efficiency Toward Solar Energy Storage …

There are many reports in the literatures on the use of phase change materials (PCMs) with photothermal conversion to store and harness solar energy. However, few works have reported intelligent PCMs with thermochromic capabilities that can controllably adjust their photothermal conversion efficiency to change the heating rate …

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Sustainable Porous Scaffolds with Retained Lignin as An Effective Light‐absorbing Material for Efficient Photothermal Energy Conversion …

Caoxing Huang Sustainable Materials and Chemistry, Department of Wood Technology and Wood-Based Composites, University of Göttingen, 37077 Göttingen, Germany Co-Innovation Center for Efficient Processing and Utilization of …

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Flexible textiles with polypyrrole deposited phase change microcapsules for efficient photothermal energy conversion and storage …

These photothermal microPCMs are promising solar-driven energy storage fillers for solar heating of water, energy-saving buildings and thermoregulation textiles [[22], [23], [24]]. PPy was rationally chosen as the photothermal polymer because of its broad-spectrum absorption, high photothermal conversion efficiency, and its facile …

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Synergistic enhancement of photothermal energy storage …

Currently, a major challenge facing phase change materials for solar energy storage is their high cost, particularly due to the expense of the photothermal conversion particles. Therefore, there is an urgent need to find a method to reduce the usage of photothermal conversion particles without compromising their photothermal conversion and …

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Graphene-doped polymer microencapsulated n-Octadecane for heat storage and photothermal conversion …

Fig. 9 (d) displays the microcapsule samples'' photothermal conversion efficiency, simulated solar radiation energy, and phase-change latent heat energy curve. The phase-change latent heat energy and solar radiation energy of the [email protected] are 120.7 J and 177.8 J, and the photothermal conversion efficiency is 67.88 %, an increase of …

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

This paper presents the synthesis of composite PCMs that exhibit high-efficiency direct photothermal conversion and storage owing to dual-functional …

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A novel phase change materials used for direct photothermal …

Photothermal conversion phase change materials can combine the mechanisms of photothermal conversion and phase transformation to realize storage or …

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Enhancing solar photothermal conversion and energy storage …

The corresponding energy and photothermal conversion efficiency in each cycle are shown in Fig. 15 b. ... Thermal energy storage materials and systems for solar energy applications Renew. Sust. Energ. Rev., 68 …

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Composite phase change materials with thermal-flexible and efficient photothermal conversion …

Photothermal materials can effectively absorb solar energy and convert it into heat energy [8], which has become a research hotspot. Phase change materials (PCM) with high energy density and heat absorption and release efficiency [ 9 ], have been widely used in many fields as improving building heat storage capacity [ 10 ], reducing building …

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Solar to thermal energy storage performance of composite phase change material …

Reduced graphene oxide and zirconium carbide co-modified melamine sponge/paraffin wax composites as new form-stable phase change materials for photothermal energy conversion and storage Appl. Therm. Eng., 163 ( 2019 ), Article 114412, 10.1016/j.applthermaleng.2019.114412

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A Review on Photothermal Conversion of Solar Energy with Nanomaterials …

2 Basic Mechanisms of Solar-Driven Photothermal Conversions Conversion of solar energy into other forms of energy is urgently needed to address the global energy issues. [63, 64] It can be realized by different conversion processes, such as PV effect, [4, 65-67] photochemical transformation, [68-70] photoelectrochemical …

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Phase Change Energy Storage Material with Photocuring, Photothermal Conversion…

Compared with the thermal curing process, the photocuring process has advantages such as high efficiency and less energy consumption. However, the preparation of photocurable phase change materials (PCMs) with photothermal conversion and self-cleaning properties is challenging due to the conflict be …

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Temperature‐Responsive Thermochromic Phase Change Materials …

The designed TC-PCMs have a high photothermal conversion efficiency by using different styles of reversible thermochromic microcapsules, which …

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Thermal energy storage materials designed from recycled Tetra Pak waste and paraffin waxes with enhanced photothermal conversion …

The photothermal conversion and thermal energy storage capacity of PCM composites fabricated from recycled TP waste, PW, and EG were investigated in this work. The prepared composites exhibited several unique features, including good shape stability, heat storage capacity, thermal conductivity, and significant photoabsorption …

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Photothermal properties and photothermal conversion performance of nano-enhanced paraffin as a phase change thermal energy storage material ...

Moreover, if it is modified, it proposes a more efficient way to save energy [48]. Photothermal conversion characteristics have been proposed as the fundamental mechanisms for enhanced storage solar energy. Recently, the research group of …

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Design and application of polyurethane-polydopamine/Ag double-shell microcapsules for enhanced photothermal conversion and incremental energy storage

The PDA/AgNPs layer can efficiently convert light energy into thermal energy, while the PU shell facilitates the transfer of this energy to the internal PCM for storage. The photothermal conversion of the PDA/AgNPs layer primarily relies on the excellent photothermal effect of PDA and the synergistic effect of silver nanoparticle …

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A study on novel dual-functional photothermal material for high-efficient solar energy harvesting and storage …

An ultrastrong wood-based phase change material for efficient photothermal conversion and thermal energy conservation Composites Part B: Engineering, Volume 279, 2024, Article 111460 Chendong Qiu, …, Xi Guo

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Synthesis of hybrid dual-MOF encapsulated phase-changing material for improved broadband light absorption and photothermal conversion …

To improve the overall solar-thermal energy harvesting efficiency of encapsulated phase change materials (EPCM), a novel hierarchic SiO 2 /PCN-224/PB (ES-PCN-PB) composite shell was developed and synthesized through in-situ growth of PCN-224 decorated with PB particles onto SiO 2 encapsulated PCM. encapsulated PCM.

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Delignified wood for thermal energy storage with high efficient photo-thermal conversion efficiency …

Synthetic phase change energy storage material prevents the leakage of polyethylene glycol. ... [19] impregnated Fe 3 O 4 and myristyl alcohol into wood, and the addition of Fe 3 O 4 nanoparticles improved the photothermal conversion efficiency of …

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An ultrastrong wood-based phase change material for efficient …

Inspired by the distinctive organization of muscle, we prepared a wood-based PCM with high heat storage capacity, efficient photothermal conversion, and …

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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 …

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