photothermal energy conversion for continuous heat storage
Enlaces aleatorios
Composite phase-change materials for photo-thermal conversion …
Photo-thermal conversion phase-change composite energy storage materials (PTCPCESMs) are widely used in various industries because of their high thermal …
Aprende másFatty acid eutectics embedded in guar gum/graphene
Fatty acid eutectics embedded in guar gum/graphene oxide/boron nitride carbon aerogels for highly efficient thermal energy storage and improved photothermal conversion efficiency Author links open overlay panel Cong Feng a, Qingfeng Zhang a, Nayan Wang a, Huanzhi Zhang a b, Fen Xu a b, Lixian Sun a b, Yongpeng Xia a b, …
Aprende másIn-situ deposition preparation of n …
1. Introduction. The continuous consumption of fossil fuels and their adverse effects on the environment have caused an increasing energy crisis and various environmental problems (Mercure et al., 2021).Solar energy has received extensive attention from researchers for its cleanness and sustainability (Li et al., 2020, Yang et al., …
Aprende másHigh latent heat phase change materials composites
1. Introduction. Energy plays a crucial role in the technological and economic progress of human society. The increasing depletion of non-renewable resources and the escalation of global warming necessitate the continuous development of sustainable energy sources [1, 2].Accordingly, the effective utilisation of green and …
Aprende másPhase change nanocapsules incorporated with ...
The photothermal conversion and storage mechanism of the ND/SiO 2 NEPCM is illustrated in Fig. 9, primarily attributed to the thermal vibrations of molecules combined with the optical confinement effect of the ND/SiO 2 hybrid shells, as well as the phase change thermal energy storage capacity provided by n-Octadecane. In brief, …
Aprende másMetal-polyphenol based phase change microcapsules for photothermal …
The photothermal conversion and heat storage efficiency of MPN@PA calculated according to Equation (1) are shown in Table 4. Due to the weak photothermal conversion ability of PA in the continuous illumination process, its temperature did not rise to the range of phase transition temperature, and it did not show the heat storage ability …
Aprende másA novel flexible and fluoride-free superhydrophobic thermal energy ...
Therefore, the conversion of solar energy into thermal energy and further storage is a green and sustainable concept [[3], [4], [5]]. In various thermal energy storage materials, solid-liquid phase change materials (PCMs) are of great interest because of their high thermal storage capacity, low temperature variation, low cost, and stable ...
Aprende másSynergistic enhancement of photothermal energy storage …
Solar energy has gained widespread attention thanks to its continuous energy supply and environmentally friendly characteristics. However, the solar radiation intensity varies over time. ... Novel composite phase change material of high heat storage and photothermal conversion ability. J. Energy Storage, 49 (2022) Google Scholar [12]
Aprende másAn in-situ growth Fe3O4 and polyaniline on carbon cloth …
The photothermal energy conversion and storage mechanism of PEG@PFCC PCMs is shown in Fig. 10. As effective photon absorbents and heating units, the combination of Fe 3 O 4, PANI, and CC can convert solar energy into thermal energy. Furthermore, the thermal energy can be stored as latent heat in the manufactured …
Aprende másComposite Phase-Change Materials for Photo-Thermal Conversion and Energy Storage…
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...
Aprende másSelf-adaptive integration of photothermal and radiative cooling …
Photothermal (PT) is a widely used solar thermal collection method that employs solar absorbers to capture solar photons and convert them to heat. Thermal …
Aprende másAn in-situ growth Fe3O4 and polyaniline on carbon cloth …
Semantic Scholar extracted view of "An in-situ growth Fe3O4 and polyaniline on carbon cloth encapsulated composite phase change materials with high thermal conductivity and photothermal energy conversion and storage" by …
Aprende másHigh-performance macro-encapsulated composite for photothermal …
In this work, Na 2 S 2 O 3 ·5H 2 O-CH 3 COONa·3H 2 O eutectic hydrated PCM was chosen as energy storage-release medium, with high enthalpy, suppressive supercooling degree and suitable phase transition temperature [35].Then, the foamy Cu was in situ grown into CuS-Cu as dual functional carrier which had good heat transfer and …
Aprende másPhotothermal 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 …
Aprende másHigh-performance macro-encapsulated composite for photothermal …
The request for green circular economy stimulates the use of solar energy. Capture and storage-release of solar energy can be simultaneously achieved by integrating photothermal conversion particles into phase change materials (PCMs) to obtain dual functional composites. Herein, a simple, cheap strategy for preparing 3D macro …
Aprende másFull-spectrum photo-thermal conversion enabled by plasmonic …
Phase change materials (PCMs) have been considered one of the promising strategies to harvest the clean solar energy and convert to latent heat for storage (LHS). However, solar-thermal conversion efficiencies of most PCMs are poor ascribed to their low thermal conductivity, leakage issue, and poor solar radiation absorbability.This …
Aprende másComposite phase-change materials for photo-thermal conversion and energy storage…
Photo-thermal conversion phase-change composite energy storage materials (PTCPCESMs) are widely used in various industries because of their high thermal conductivity, high photo-thermal conversion efficiency, high latent heat storage capacity, stable physicochemical properties, and energy saving effect.
Aprende másPhotothermal Nanomaterials: A Powerful Light-to-Heat Converter
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 …
Aprende másMultifunction integration within magnetic CNT-bridged …
Resultantly, PW@MXene/CoNi-C8 exhibits a highest solar-thermal energy conversion and storage efficiency of 97.5%. Fig. 4 e shows the photothermal conversion evolution curves of PW@MXene/CoNi-C8 during heating-cooling cycles. The nearly coincident endothermic and exothermic curves indicate the long-term thermal …
Aprende másFacile, catalyst-free, and high enthalpy PEG-based phase change ...
The thermally induced or photothermal phase change mechanism mainly involved a reversible melting and freezing process (Fig. 1 c), the crystalline PEG segments started melting above the melting temperature (T m) accompanied by the storage of thermal energy, while the amorphous PEG started crystallizing below the freezing …
Aprende másApplied Thermal Engineering
However, due to the intermittence of solar energy, there is pressing need to advance the development of techniques for photothermal conversion and energy storage [31]. ... EG is an excellent choice for enhancing the thermal conductivity of PCM owing to its continuous heat bridge structure [50]. The thermal conductivity of the PCM …
Aprende másHigh-directional thermally conductive stearic acid/expanded …
Moreover, we have introduced an advanced high-photothermal conversion layer that synergizes with our directionally conductive phase change composite. This strategic combination culminates in the creation of a highly efficient integrated photothermal storage device, markedly boosting the overall efficiency of photothermal …
Aprende másPhotothermal Nanomaterials: A Powerful Light-to-Heat …
After the incident light is absorbed by a photothermal material, the photon energy is converted into thermal energy through a light-to-heat conversion process. The generated heat will be further …
Aprende másPreparation 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 …
Aprende másComposite phase change materials with thermal-flexible and …
Photothermal materials can effectively absorb solar energy and convert it into heat energy [8], which has become a research hotspot. Phase change materials …
Aprende másAdvances in flexible hydrogels for light-thermal-electricity energy ...
2. Light-thermal-electricity energy conversion and storage. This section systematically summarizes the energy conversion and storage mechanisms of thermoelectric, photovoltaic and photothermal energy systems, compares in detail the advantages and disadvantages of hydrogel conversion materials and traditional …
Aprende másIn-situ deposition preparation of n …
In-situ deposition preparation of n-octadecane@Silica@Polydopamine-doped polypyrrole microcapsules for photothermal conversion and thermal energy storage of full-spectrum solar radiation ... The continuous consumption of fossil fuels and their adverse effects on the environment have caused an increasing energy crisis and …
Aprende másHighly conductive phase change composites enabled by
Moreover, inspired by the synergetic effects of electrical and thermal transports, efficient and fast electro-thermal energy conversion & storage with energy efficiency up to 92.7% is achieved, setting up a new record for ultralow voltage-driven (<0.34 V) high-efficient electro-thermal conversion & storage by PCCs at high temperatures …
Aprende másWeavable 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 …
Aprende másThermally induced flexible phase change hydrogels for solar thermal ...
Xiao et al. [30] prepared acrylamide/sodium acrylate copolymer photothermal hydrogel with sodium trihydrate as the working substance by melt impregnation, which not only solved the inherent defects of hydrated salts, but also had excellent energy storage density and photothermal conversion performance.
Aprende másSimultaneously enhanced light absorption and heat
1. Introduction. Scalable solar energy utilization is promising to alleviate the energy crisis and environmental problems [1].Among various utilization strategies of solar energy, photothermal conversion has attracted much attention because of its high conversion efficiency [2].Due to the intermittent nature of solar energy, it is necessary …
Aprende másAn in-situ growth Fe3O4 and polyaniline on carbon cloth …
Phase change materials (PCMs) play a crucial role in thermal management and solar energy utilization. However, PCMs suffer from low thermal conductivity, tend to leak during the phase change process, and do not possess photothermal conversion properties, limiting their application in these fields this work, thermally conductive …
Aprende másThree-Dimensional Interpenetrating Network Phase …
Solar thermal energy conversion and storage have gained more attention for solving energy crisis and environment issues. Phase-change materials with excellent thermal conductivity, high …
Aprende más