dynamic reversible bond phase change energy storage materials
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Preparation of mechanically robust and thermochromic phase change ...
Phase change materials (PCMs) capable of thermal energy storage (TES) have been drawn great attention as an important strategy to deal with energy shortage. Herein, a novel thermochromic solid–solid PCMs (SSPCMs) based on polyethylene glycol has been successfully synthesized, which possess mechanically …
Aprende másTemperature‐Responsive Thermochromic Phase Change Materials …
In this work, thermochromic phase change materials (TC-PCMs) are successfully prepared by integrating the reversible thermochromic microcapsules into …
Aprende másThermally-stable, solid-solid phase change materials based on …
Phase-change materials (PCMs) have received considerable attention on efficient thermal energy storage due to their high energy storage density and long-term …
Aprende másSolid-solid phase-change materials with excellent mechanical property and solid state plasticity based on dynamic urethane bonds …
Solid-solid phase change materials (SSPCMs) with small volume change and leak-proof characteristic during the whole process of phase change play a vital role in development of PCM for thermal energy storage (TES). However, the non-recyclability of the materials ...
Aprende másRecyclable, Self-Healing, and Flame-Retardant Solid–Solid Phase Change Materials Based on Thermally Reversible …
Conventional polymeric phase change materials (PCMs) exhibit good shape stability, large energy storage density, and satisfactory chemical stability, but they cannot be recycled and self-healed due to their permanent cross-linking structure. Additionally, the high flammability of organic PCMs seriously restricts their applications …
Aprende másComposite phase change materials with good reversible thermochromic ...
According to Table 2, TCDWs C is chosen as the optimum composite phase change material for thermal energy storage, with large latent heat and suitable phase change temperature. Large latent heat of TCDWs, which shows that it can store or release plenty of latent large during the phase change process in practical application, …
Aprende másSuper-elastic smart phase change material (SPCM) for thermal energy storage …
Super-elastic phase change materials (SPCMs), as brand-novel smart materials, have a wide range of potential applications in stress induction, thermal energy storage and temperature control. Polyacrylamide-based HAH@PEG_12h SPCMs with an ultimate tensile ratio greater than 500% were synthesized for the first time by a popular …
Aprende másMultiple H-Bonding Cross-Linked Supramolecular Solid–Solid Phase Change Materials for Thermal Energy Storage …
Advanced Materials, one of the world''s most prestigious journals, is the home of choice for best-in-class materials science for more than 30 years. Abstract Solid–solid phase change materials (SSPCMs) are considered among the most promising candidates for thermal energy storage and management.
Aprende másProcessable and recyclable crosslinking solid-solid phase change materials based on dynamic …
Employing the phase change materials (PCMs) for thermal energy storage (TES) is a promising method to harvest heat energy like solar heat, geothermal energy and other heat resources [5]. PCMs can reversibly store and release latent heat via the crystal melting and crystallization in phase change process [ 6 ].
Aprende másRecyclable, Self-Healing, and Flame-Retardant …
Conventional polymeric phase change materials (PCMs) exhibit good shape stability, large energy storage density, and satisfactory chemical stability, but they cannot be recycled and self-healed due...
Aprende másRecyclable solid‐solid phase‐change materials cross‐linked by ...
Herein, the oxime carbamate bond was firstly introduced in chemically cross-linked polyurethanes to prepare recyclable SSPCMs, in which finely dispersed PEG segments function as phase-change components as well as polymeric skeletons. The excellent thermal energy storage capacity (with the enthalpy reached up to 101 J/g) and …
Aprende másTransparent wood with thermo-reversible optical properties …
Generally, smart optical materials based on phase change compounds consume a large amount of energy to switch the transparency due to their large latent heat storage capacity [17, 22]. In contrast, the latent heat of melting and crystallization for SBO 5 /TW were only 7.20 ± 0.22 J g −1 and 6.41 ± 0.54 J g −1, respectively.
Aprende másDesigning Dynamic Materials from Dynamic Bonds to
Dynamic bonds introduce reprocessability, malleability, self-healing, shape memory, and enhanced toughness to the material. The focus of DM design and engineering has typically been the development of new chemistries and bond exchange mechanisms to create materials with desired thermomechanical properties.
Aprende másReview on solid-solid phase change materials for thermal energy storage ...
Solid-liquid phase change materials (SL-PCMs) change their internal molecular arrangement from an ordered crystalline structure to a disordered amorphous one when temperature exceeds a critical threshold (i.e., the phase transition temperature). An increase in vibrational energy breaks the supramolecular bonds between individual …
Aprende másSugar alcohol-based phase change materials for thermal energy storage…
Unlike sensible and thermochemical heat storage, latent heat storage shows higher energy-storage capacity within a narrow temperature range through reversible phase transition of solid-liquid phase-change materials (SLPCMs) [3, 4].
Aprende másToward High-Power and High-Density Thermal Storage: Dynamic Phase Change Materials | ACS Energy …
One of the numerous TES technologies that is garnering a lot of attention is reversible latent heat storage based on phase change materials (PCMs), which …
Aprende másRecyclable, Self-Healing, and Flame-Retardant Solid-Solid Phase Change Materials Based on Thermally Reversible …
Recyclable, Self-Healing, and Flame-Retardant Solid-Solid Phase Change Materials Based on Thermally Reversible Cross-Links for Sustainable Thermal Energy Storage ACS Appl Mater Interfaces . 2021 Sep 15;13(36):42991-43001. doi: 10.1021/acsami.1c14862.
Aprende másToward High-Power and High-Density Thermal Storage: Dynamic …
One of the numerous TES technologies that is garnering a lot of attention is reversible latent heat storage based on phase change materials (PCMs), which ofers the …
Aprende másHealable supramolecular phase change polymers for thermal energy harvesting and storage …
Phase change materials (PCMs) have been widely applied in latent heat storage technologies via harvesting thermal energy from the surrounding environment, however, they are vulnerable to damages when suffering from an external stimulus or environmental attacks, resulting in crack formation and lifespan reduction. ...
Aprende másTemperature‐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 …
Aprende másBio-based recyclable Form-Stable phase change material based on thermally reversible Diels–Alder reaction for sustainable thermal energy storage ...
Recyclable, self-healing, and flame-retardant solid-solid phase change materials based on thermally reversible cross-links for sustainable thermal energy storage ACS Appl. Mater. Interfaces, 13 ( 36 ) ( 2021 ), pp. 42991 - 43001
Aprende másInfluences of PVA modification on performance of ...
1. Introduction. Thermal energy storage [1] is conducive for energy utilization to break through the contradiction of time and space.Sensible heat and latent heat energy storage are the main forms of current energy storage [2].Phase change energy storage possesses high energy density and keeps stable ambient temperature due to …
Aprende másHealable supramolecular phase change polymers for thermal energy harvesting and storage …
A reversible cross-linked structure of HOPs was constructed via the dynamic hydrogen-bonding interaction. The FT-IR spectrum of P4VP, PPy, SA, P4VP-20 and HOPs-7 were shown in Fig. 2 a the spectra of PPy, the absorption peaks at 3430, 1548 and 1466 cm −1 were assigned to the N–H stretching vibration, C-N and C–C ring …
Aprende másChemistry in phase change energy storage: Properties regulation on organic phase change materials by covalent bond …
Phase change materials (PCMs)-based thermal storage systems have a lot of potential uses in energy storage and temperature control. However, organic PCMs (OPCMs) face limitations in terms of regulating phase change temperature, low thermal conductivity, and inadequate functionality for diverse applications.
Aprende másBio-based recyclable Form-Stable phase change material based on thermally reversible Diels–Alder reaction for sustainable thermal energy storage ...
Jingxin Lei et al. synthesized some kinds of polyethylene glycol-based polyurethane phase change materials, and introduced reversible D-A chemical bond, disulfide bond and ionic bond, respectively, into the …
Aprende másTemperature‐Responsive Thermochromic Phase Change Materials with Tunable Photothermal Conversion Efficiency Toward Solar Energy Storage
Currently, solar-thermal energy storage within phase-change materials relies on adding high thermal-conductivity fillers to improve the thermal-diffusion-based charging rate, which often leads to ...
Aprende másEmerging PEG/VO2 dual phase change materials for thermal energy storage …
The thermal storage capacity of 70–113 J g −1 and phase transition temperature range of 30–70 °C for PEG/VO 2 /EG were determined by DSC. Moreover, compared with pure PEG, the thermal conductivity of PEG/VO 2 /EG 0.10 was increased by up to 93.75%, and the thermal storage capacity was increased by up to 59.35% …
Aprende másRecent developments in solid-solid phase change materials for …
Phase change materials (PCMs) for thermal energy storage have become one of good option for future clean energy. The phase change heat storage materials …
Aprende másReliable phase-change polyurethane crosslinked by dynamic ionic …
The fabrication of phase-change materials (PCMs) for thermal energy storage is of great significance, since they combine the sustainable development of …
Aprende másPhase Change Energy Storage Material with Photocuring
Thermal Energy Storage: Single-Walled Carbon Nanotube/Phase Change Material Composites: Sunlight-Driven, Reversible, Form-Stable Phase Transitions for Solar Thermal Energy Storage (Adv. Funct ...
Aprende másHigh power and energy density dynamic phase change materials …
The performance of thermal energy storage based on phase change materials decreases as the location of the melt front moves away from the heat source. Fu et al. implement pressure-enhanced close ...
Aprende másPolymer engineering in phase change thermal storage materials
This review focuses on three key aspects of polymer utilization in phase change energy storage: (1) Polymers as direct thermal storage materials, serving as PCMs themselves; (2) strategies for the development of shape-stable PCMs based on polymers, including vacuum impregnation, direct blending, chemical grafting, …
Aprende másBio-based Recyclable Form-Stable Phase Change Material Based …
@article{Liu2022BiobasedRF, title={Bio-based Recyclable Form-Stable Phase Change Material Based on Thermally Reversible Diels–Alder Reaction for Sustainable Thermal Energy Storage}, author={Ziyu Liu and Xingyue Zhu and Yazhou Tian and Kai-Zhi Zhou and Jue Cheng and Junying Zhang}, journal={Chemical Engineering …
Aprende másDynamic tunability of phase-change material transition temperatures using ions for thermal energy storage …
Dynamically tunable T m (15 C–21 C) of phase change materials with 2.5 V perturbationA dual-ion battery approach using ions to modulate T m of the phase-change materialsCombination of thermal energy storage with electrical energy storage in …
Aprende másHighly flexible, healable and degradable polyurethane phase change materials …
On the other hand, Cao et al. [38] reported a healable supramolecular phase change polymers using dynamic H-bonds based on poly(4-vinylpyridine) as the backbone, and stearic acid as the side chains for thermal energy harvesting and storage.
Aprende másRecyclable Solid–Solid Phase Change Materials with Excellent Reprocessing Properties Based on Dynamic Disulfide Bonds …
Phase change materials (PCMs) with energy-saving and sustainable energy potential are widely available for energy storage technologies. At present, chemical cross-linking is often constructed to form solid–solid phase change materials (SSPCMs) to avoid leakage during the phase change process, but its permanent cross-linked network …
Aprende másRecyclable Solid–Solid Phase Change Materials with Superior Latent Heat via Reversible Anhydride-Alcohol Crosslinking for Efficient Thermal Storage
The materials also exhibit certain flexibility and a tunable tensile strength ranging from 6.6 to 11.0 MPa. Beyond that, leveraging the reversible anhydride-alcohol crosslinks, the SSPCMs demonstrate dual recyclability through bond …
Aprende másSelf-healed inorganic phase change materials for thermal energy ...
With the aim at making the use of advantages of inorganic phase change materials and avoiding the above-mentioned drawbacks, firstly, sodium acetate trihydrate was used as a thermal energy storage medium, acrylamide and aqueous starch worked corporately, for the first time, to render self-healing (efficiency reach to 75 %) and flexible …
Aprende másPreparation and characterization of n-octadecane-based reversible …
In this study, a series of gelators (Gn, n is the number of carbon atoms of used fatty alcohol, n = 2, 4, 6, 8, 10, 12, 14, 16 and 18) were synthesized by reacting 4,4′-diphenylmethane diisocyanate with fatty alcohols. Meanwhile, n-octadecane-based gels as form-stable phase change materials (FSPCMs) for thermal energy storage were …
Aprende másRecyclable solid-solid phase-change materials cross-linked by …
Polymeric solid-solid phase-change materials (SSPCMs) possessing excellent shape stability and adaptability are able to store renewable thermal energy …
Aprende másDynamic absorption of bulk phase-change materials for photothermal solar energy storage based on reversible …
DOI: 10.1360/sst-2022-0359 Corpus ID: 256891109 Dynamic absorption of bulk phase-change materials for photothermal solar energy storage based on reversible thermochromic Purpose This paper aims to establish a …
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