Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 479, P. 147622 - 147622
Published: Nov. 24, 2023
Language: Английский
Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)
Published: May 16, 2024
Abstract Phase change materials (PCMs) offer a promising solution to address the challenges posed by intermittency and fluctuations in solar thermal utilization. However, for organic solid–liquid PCMs, issues such as leakage, low conductivity, lack of efficient solar-thermal media, flammability have constrained their broad applications. Herein, we present an innovative class versatile composite phase (CPCMs) developed through facile environmentally friendly synthesis approach, leveraging inherent anisotropy unidirectional porosity wood aerogel (nanowood) support polyethylene glycol (PEG). The modification process involves incorporation phytic acid (PA) MXene hybrid structure evaporation-induced assembly method, which could impart non-leaking PEG filling while concurrently facilitating conduction, light absorption, flame-retardant. Consequently, as-prepared wood-based CPCMs showcase enhanced conductivity (0.82 W m −1 K , about 4.6 times than PEG) well high latent heat 135.5 kJ kg (91.5% encapsulation) with durability stability throughout at least 200 heating cooling cycles, featuring dramatic conversion efficiency up 98.58%. In addition, synergistic effect MXene, flame-retardant performance has been significantly enhanced, showing self-extinguishing behavior. Moreover, excellent electromagnetic shielding 44.45 dB was endowed CPCMs, relieving contemporary health hazards associated waves. Overall, capitalize on exquisite cell transport development multifunctional showcasing operational principle proof-of-concept prototype system.
Language: Английский
Citations
101
Advanced Materials, Journal Year: 2023, Volume and Issue: 36(3)
Published: Nov. 23, 2023
Abstract Photothermal superhydrophobic surfaces are one of the most promising anti‐/deicing materials, yet they limited by low energy density and intermittent nature solar energy. Here, a coupling solution based on microencapsulated phase change materials (MPCMs) that integrates photothermal effect thermal storage is proposed. Dual‐shell octahedral MPCMs with Cu 2 O as first layer 3D 2‐x S second for time designed. By morphology manipulation shell, local surface plasmonic heating modulation realized, MPCM reveals full‐spectrum high absorption conversion efficiency up to 96.1%. The temperature enthalpy remain in good consistency after 200 cycles. Multifunctional phase‐change composite coatings fabricated combining hydrolyzed polycondensation products octadecyl trichlorosilane dual‐shell MPCM. multifunctional exhibit excellent performance under humidity conditions. This work not only provides new approach design high‐performance but also opens an avenue anti‐icing application coatings.
Language: Английский
Citations
55
SusMat, Journal Year: 2023, Volume and Issue: 3(4), P. 510 - 521
Published: July 23, 2023
Abstract In response to global energy scarcity, frontiers in multifunctional composite phase change materials (PCMs) with photo‐/electro‐/magnetothermal triggers show great potential multiple utilization. However, most available PCM candidates are inadequate for storage applications simultaneously. Herein, a green synthetic route is proposed develop bimetallic zeolitic imidazolate framework (ZIF)‐derived 1D–2D bridged array carbon‐based PCMs simultaneous applications. As graphitization‐induced catalyst, Co nanoparticles greatly boost the formation of ZIF‐derived carbon high graphitization and low interface electrical/thermal resistance. Benefiting from broadband intense photon capture, fast photon/electron/phonon transport, surface plasma resonance effect nanoparticles, resulting integrate advanced photo‐, electro‐, magnetothermal functions. Furthermore, also exhibit long‐lasting shape stability, structural thermal stability after undergoing heating–cooling cycles. This study promising accelerate major breakthroughs toward
Language: Английский
Citations
50
Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(2)
Published: Oct. 3, 2023
Abstract The rapid development of infrared surveillance technologies has attracted great attention for scientists to design advanced functional materials with prominent stealth and thermal camouflage effectiveness. In the current study, a sandwich‐like composite based on crosslinked polyimide aerogel, meso‐erythritol (mE)‐based phase‐change composite, an MXene film been developed achieve long‐term at elevated temperatures. this system, lower aerogel layer can act as barrier insulate heat transfer through its layer‐stacking structure under ultralow directional conduction. introduction middle ensures that system obtains dynamical temperature‐regulation capability sensible latent absorption mE phase change material, while upper provides very low emissivity surface system. As result, achieves significant reduction in radiation temperature high‐temperature target. Moreover, exhibits good electromagnetic interference shielding effectiveness, making obtain various complicated scenarios. This work promising approach realize targets security protection counter‐surveillance.
Language: Английский
Citations
48
Applied Thermal Engineering, Journal Year: 2024, Volume and Issue: 253, P. 123774 - 123774
Published: June 21, 2024
Language: Английский
Citations
43
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(16)
Published: Jan. 17, 2024
Abstract Solid–solid phase change materials (SSPCMs) with crosslinked polymer structures have received sustained interest due to their remarkable shape stability, enabling application independently without the need for encapsulation or supporting materials. However, crosslinking structure also compromises latent heat and poses challenges recyclability. Herein, a novel strategy harnessing internal‐catalyzed reversible anhydride‐alcohol reaction fabricate SSPCMs superior exceptional dual recyclability is presented. Easily accessible anhydride copolymers (e.g., propylene‐maleic alternating copolymers), provide abundant reactive sites within matrix; polyethylene glycol serves as both grafted component crosslinker. The resulting attain peak value of 156.8 J g −1 which surpasses all other reported recyclable SSPCMs. exhibit certain flexibility tunable tensile strength ranging from 6.6 11.0 MPa. Beyond that, leveraging crosslinks, demonstrate through bond‐exchange remolding reversible‐dissociation‐enabled dissolving‐recrosslinking any chemicals. Furthermore, by integrating solar‐thermal conversion fillers like polydopamine nanoparticles, potential system in efficient conversion, storage, release solar energy highlighted.
Language: Английский
Citations
41
Advanced Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Aug. 3, 2024
Phase change materials (PCMs) are crucial for sustainable thermal management in energy-efficient construction and cold chain logistics, as they can store release renewable energy. However, traditional PCMs suffer from leakage a loss of formability above their phase temperatures, limiting shape stability versatility. Inspired by the muscle structure, formable with hierarchical structure solvent-responsive supramolecular networks based on polyvinyl alcohol (PVA)/wood composites developed. The material, its hydrated state, demonstrates low stiffness pliability due to weak hydrogen bonding between aligned wood fibers PVA molecules. Through treatment poly(ethylene glycol) (PEG) into PVA/wood PEG gel (PEG/PVA/W) strengthened bonds, resulting wood-based hard melting states elevate tensile stress 10.14 80.86 MPa 420 4.8 GPa, making it 530 times stiffer than PEG/PVA counterpart. Capable morphing response solvent changes, these enable intricate designs management. Furthermore, supported comprehensive life cycle assessment, shape-adaptable, recyclable, biodegradable lower environmental footprint present alternative conventional plastics materials.
Language: Английский
Citations
31
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(33)
Published: March 29, 2024
Abstract Phase change materials (PCMs) are widely regarded as one of the most promising thermal energy storage technologies, owing to their outstanding latent heat density and controllable storage/release characteristics. However, pure PCM usually has certain limitations in terms electric‐, photo‐, magnetic‐thermal conversion. In recent years, research on enhancing these properties through addition various fillers garnered widespread attention. Herein, this paper elaborates modification for electric‐thermal, photo‐thermal, conversion, including respective strategies, properties, applications. Therein, a comparative analysis is conducted conversion efficiency with different fillers. Further, summary some PCM, which simultaneously improves performance two or three mentioned above, enabling multiple Finally, existing problems, solutions, future development directions put forward.
Language: Английский
Citations
29
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(25)
Published: March 1, 2024
Abstract Radiative cooling technology is well known for its subambient temperature performance under sunlight radiation. However, the intrinsic maximum power of radiative limits when objects meet thermal shock. Here, a dual‐function strategy composed and latent heat storage simultaneously enabling efficient high‐efficiency thermal‐shock resistance proposed. The electrospinning absorption‐pressing methods are used to assemble cooler. high reflectivity mid‐infrared emissivity film allow excellent 5.1 °C. When subjected shock, cooler demonstrates pinning effect huge drop 39 °C stable low‐temperature level by isothermal absorption compared with traditional molten phase change materials provide heat‐time transfer converting delayed preservation. This paves powerful way protect from accumulation high‐temperature damage, expanding applications technologies.
Language: Английский
Citations
24
Results in Chemistry, Journal Year: 2024, Volume and Issue: 8, P. 101552 - 101552
Published: May 22, 2024
The need for effective and sustainable thermal management systems is expanding across a variety of industries, phase change materials (PCMs) have become flexible alternative to meet this demand. ability store significant amounts heat during their transition over constrained temperature range make them attractive candidates regulation or energy storage applications in several industrial sectors. This review paper examines recent developments PCM effects on including building construction, solar storage, electronics, automobiles, pharma health care, waste recovery, electricity generation, water treatment, food beverages, textiles. article starts off by giving basic overview PCMs explaining distinctive properties, classification, operating principles. It then delves into the in-depth study, covering advancements applications. extensive assessment covers both prospective directions further study development as well crucial elements influencing practical application PCMs. Overall, provides thorough summary emphasizing enormous potential improve efficiency, lower carbon emissions, promote development. useful resource scientists, engineers, decision-makers working domains engineering, management, science. encourages greater innovation more efficient world.
Language: Английский
Citations
24