Construction and Design of Paraffin/PVDF Hollow Fiber Linear-Phase Change Energy Storage Materials …
As a kind of novel phase change composites, FAs/c-MWCNTs have excellent thermal stability and energy storage density (latent heat up to 273.8 kJ kg⁻¹ for ODA/3%c-MWCNTs), which can compete or ...
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on heat transfer characteristics of phase change materials …
A composite energy storage pipeline with PCM is proposed based on the concept of phase change energy storage.
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Preparation and properties of composite phase change material based on solar heat storage …
Carbon fiber is a fibrous carbon material with carbon content of more than 90%. It has the characteristics of high temperature resistance, corrosion resistance, low density (less than 2.26 g/cm 3), low thermal expansion coefficient and high thermal conductivity (some more than 1000 W/(m k)), and can be compatible with most organic …
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Hollow Spongy Phase Change Composite Fiber with Heat Storage Behavior via Photo-Thermal Transition
The morphologies of the prepared HFF@PEG composites are shown in Fig. 2.The cavity was filled by PEG and the spacing of lumen became smaller when the PEG content increased, as seen in Fig. 2a1–a4.When CNT doped with PEG (Fig. 2b1–b4), a clear phase boundary was observed between CNT and PEG on the zoom (Fig. 2c1–c4).). …
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Carbon-Based Composite Phase Change Materials for Thermal Energy Storage…
Thermal energy storage (TES) techniques are classified into thermochemical energy storage, sensible heat storage, and latent heat storage (LHS). [ 1 - 3 ] Comparatively, LHS using phase change materials (PCMs) is considered a better option because it can reversibly store and release large quantities of thermal energy from the surrounding …
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Experimental and numerical investigations on a flexible paraffin/fiber composite phase change …
Flexible composite phase change materials are highly desirable for fabricating novel masks for thermotherapy of allergic rhinitis. Herein, a novel flexible composite phase change material was prepared by adsorbing paraffin with a melting point of 44 C into a kind of polypropylene hollow fiber via simple impregnation. ...
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Construction and Design of Paraffin/PVDF Hollow Fiber Linear …
Based on the accidental discovery, a linear-phase change energy storage material (PCESM) could be designed by encapsulating phase change materials …
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Honeycomb carbon fibers strengthened composite phase change materials for superior thermal energy storage …
These modules (3.2 V/33 Ah) were comprised of 30 18,650-type LiFePO 4 cells, which exhibited increased thermal conductivity coefficients from 0.2 W/(m•K) for pure PA to 4.331 W m − 1 K − 1 ...
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Novel Sugar Alcohol/Carbonized Kapok Fiber Composites as Form-Stable Phase-Change Materials with Exceptionally High Latent Heat for Thermal Energy ...
The development of form-stable phase-change materials (FSPCMs) with large latent heat, excellent thermal stability, and recyclability is essential for their practical applications in thermal or solar energy saving. In this paper, we first report the FSPCM composites with exceptional latent heat by e …
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Novel composite phase change materials supported by oriented carbon fibers for solar thermal energy conversion and storage …
Novel composite phase change materials supported by oriented carbon fibers are proposed • High vertical thermal conductivity of 5.84 W·K −1 ·m −1 and low …
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Flexible, stimuli-responsive and self-cleaning phase change fiber for thermal energy storage …
3.2. Thermal and mechanical properties of PCF The high LA loading ratio brought high thermal performance for PCF. The pure LA showed a melting enthalpy of 185.9 J g −1.The enthalpies of PCFs increased from 119.2 to 145.2 J g −1 with LA/PU ratio from 1.5 to 3, showing a significant improvement compared with electrospinning phase change …
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Preparation and thermal properties of palmitic acid/expanded graphite/carbon fiber composite phase change materials for thermal energy storage
graphite/carbon fiber composite phase change materials for thermal energy storage Gao Long1 • Sun Xuegeng1 • Sun Baizhong1 • Che Deyong1 • Li Shaohua1 • Liu Zhongze1 Received: 18 June 2019/Accepted: 23 August 2019/Published online: 5 September ...
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Synthesis and characterization of beeswax-tetradecanol-carbon fiber/expanded perlite form-stable composite phase change material for solar energy ...
Zhang N, Yuan YP, Du YX, Cao XY, Yuan YG, Preparation and properties of palmitic-stearic acid eutectic mixture/expanded graphite composite as phase change material for energy storage, Energy; 2014: p. 950–6.
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Novel composite phase change materials supported by oriented carbon fibers for solar thermal energy conversion and storage …
Novel composite phase change materials supported by oriented carbon fibers are proposed • High vertical thermal conductivity of 5.84 W·K −1 ·m −1 and low horizontal thermal conductivity of 1.34 W·K −1 ·m −1 are obtained High solar-to-thermal efficiencies of 87.54 ...
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High energy-capacity and multiresponsive phase change fibers …
Phase change fibers with abilities to storage/release thermal energy and response to multiple stimuli are of high interest for wearable thermal management …
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Core-sheath phase change fibers via coaxial wet spinning for solar energy active storage …
As shown in Fig. 1, Fig. 2 a-f, the fiber sheath exhibits a microporous structure that stretches from the internal and external surfaces into the interior, which is caused by the difference in mass transfer rates between the inner and outer layers during phase separation and solidification [33].].
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(PDF) Fabrication and characterization of dual-functional ultrafine composite fibers with phase-change energy storage …
Most importantly, the best phase-change temperatures of the phase-change materials ranged between 22.41 and 48.41 C, and the phase-change materials can be directly melted and processed.
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Hierarchical porous carbon fiber felt loaded with polyethylene …
A hierarchical porous carbon fiber-based phase change sheet is fabricated in large-scale. • The large mesoporous volume of the felt is beneficial for the loading and anti-leakage of …
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Fabrication and characterization of dual-functional ultrafine composite fibers with phase-change energy storage and luminescence properties …
and characterization of dual-functional ultrafine composite fibers with phase-change energy storage and ... ultrafine composite fibers with phase-change energy storage and luminescence properties ...
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Honeycomb carbon fibers strengthened composite phase change materials for superior thermal energy storage …
Thermal conductive property of paraffin was enhanced by honeycomb carbon fibers. • Honeycomb carbon fiber bundles were prepared from biomass sisal. • The composite PCM presented a high thermal conductivity of 1.77 W …
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Fabrication and characterization of dual-functional ultrafine …
In this research, dual-functional ultrafine composite fibers with phase-change energy storage and luminescence properties were successfully prepared using …
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on heat transfer characteristics of phase change materials Performance optimization of composite energy storage pipeline …
of energy storage pipelines and the preparation of energy storage materials.Yuan K et al. [7] has summarized the binding method of phase transition composites, and the best method was to combine high thermal conductivity nanoparticles and encapsulate in a porous matrix with high / low thermal
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Heat transfer performance of thermal energy storage …
This study concerns about the heat transfer behaviour of composite phase change materials (CPCMs) based thermal energy storage components. Two types of components, a single tube and a …
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Incorporation of Phase Change Materials into Fibers …
Phase change materials (PCMs) can act as effective heat reservoirs due to the high latent heat associated with the phase change …
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Heat transfer enhancement technology for fins in phase change energy storage …
In the process of industrial waste heat recovery, phase change heat storage technology has become one of the industry''s most popular heat recovery technologies due to its high heat storage density and almost constant temperature absorption/release process. In practical applications, heat recovery and utilization speed …
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Research on thermal insulation performance of composite energy storage pipeline with phase change …
DOI: 10.1016/j.est.2022.105711 Corpus ID: 252431127 Research on thermal insulation performance of composite energy storage pipeline with phase change materials @article{Xu2022ResearchOT, title={Research on thermal insulation performance of composite energy storage pipeline with phase change materials}, author={Ying Xu …
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Optimization strategies of composite phase change materials for …
Herein, we systematically summarize the optimization strategies and mechanisms of recently reported composite PCMs for thermal energy storage, thermal transfer, energy …
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Performance Optimization of Composite Energy Storage Pipeline …
In this paper, a thermal model of a PCM-based composite energy storage pipeline combining the phase transition characteristics of crude oil and PCM …
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Microencapsulated phase change material/wood fiber-starch …
This work is aimed to produce a novel energy effective-composite material was prepared for building thermal energy storage (TES) purposes by …
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Magnetic cellulose nanocrystals hybrids reinforced phase change fiber composites with highly thermal energy storage efficiencies
The intrinsic intermittence of solar energy raises the necessity for thermal energy storage (TES) systems to balance the contradiction between energy supply and demand energy. This work experimentally provides solid-liquid phase change materials (PCMs) with sufficient storage capacity and discharging rate to offer heating for …
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