Phase Change Thermal Storage Materials for Interdisciplinary Applications

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(11), P. 6953 - 7024

Published: March 22, 2023

Functional phase change materials (PCMs) capable of reversibly storing and releasing tremendous thermal energy during the isothermal process have recently received attention in interdisciplinary applications. The smart integration PCMs with functional supporting enables multiple cutting-edge applications, including optical, electrical, magnetic, acoustic, medical, mechanical, catalytic disciplines etc. Herein, we systematically discuss storage mechanism, transfer conversion summarize state-of-the-art advances applications PCMs. In particular, are still their infancy. Simultaneously, in-depth insights into correlations between microscopic structures thermophysical properties composite revealed. Finally, current challenges future prospects also highlighted according to up-to-date This review aims arouse broad research interest community provide constructive references for exploring next generation advanced multifunctional thereby facilitating major breakthroughs both fundamental researches commercial

Language: Английский

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Aerogels Meet Phase Change Materials: Fundamentals, Advances, and Beyond

ACS Nano, Journal Year: 2022, Volume and Issue: 16(10), P. 15586 - 15626

Published: Oct. 13, 2022

Benefiting from the inherent properties of ultralight weight, ultrahigh porosity, specific surface area, adjustable thermal/electrical conductivities, and mechanical flexibility, aerogels are considered ideal supporting alternatives to efficiently encapsulate phase change materials (PCMs) rationalize transformation behaviors. The marriage versatile PCMs is a milestone in pioneering advanced multifunctional composite PCMs. Emerging aerogel-based with high energy storage density accepted as cutting-edge thermal (TES) concept, enabling functionality Considering lack timely comprehensive review on PCMs, herein, we systematically retrospect state-of-the-art advances for high-performance particular emphasis multiple functions, such acoustic-thermal solar-thermal-electricity conversion strategies, flame retardancy, shape memory, intelligent grippers, infrared stealth. Emphasis also given roles different relationships between their architectures thermophysical properties. This showcases discovery an interdisciplinary research field combining 3D printing technology, which will contribute aims arouse wider interests among fields provide insightful guidance rational design thus facilitating significant breakthroughs both fundamental commercial applications.

Language: Английский

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Multifunctional Phase Change Composites Based on Elastic MXene/Silver Nanowire Sponges for Excellent Thermal/Solar/Electric Energy Storage, Shape Memory, and Adjustable Electromagnetic Interference Shielding Functions

ACS Applied Materials & Interfaces, Journal Year: 2022, Volume and Issue: 14(4), P. 6057 - 6070

Published: Jan. 19, 2022

Multifunctional phase change materials (PCMs) are highly desirable for the thermal management of miniaturized and integrated electronic devices. However, development flexible PCMs possessing heat energy storage, shape memory, adjustable electromagnetic interference (EMI) shielding properties under complex conditions remains a challenge. Herein, multifunctional PCM composites were prepared by encapsulating poly(ethylene glycol) (PEG) into porous MXene/silver nanowire (AgNW) hybrid sponges vacuum impregnation. Melamine foams (MFs) chosen as template to coat with MXene/AgNW (MA) construct continuous electrical/thermal conductive network. The MF@MA/PEG showed high latent (141.3 J/g), dimension retention ratio (96.8%), good electrical conductivity (75.3 S/m), largely enhanced (2.6 times MF/PEG). Moreover, triggering PEG, displayed significant photoinduced memory function fixation (∼100%) recovery (∼100%). Interestingly, EMI effectiveness (SE) can be adjusted from 12.4 30.5 dB facile compression-recovery process based on properties. Furthermore, finite element simulation was conducted emphasize advantage in chips. Such light-actuated functions exhibit great potential smart military aerospace applications.

Language: Английский

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A Trimode Thermoregulatory Flexible Fibrous Membrane Designed with Hierarchical Core–Sheath Fiber Structure for Wearable Personal Thermal Management

ACS Nano, Journal Year: 2022, Volume and Issue: 16(8), P. 12801 - 12812

Published: Aug. 10, 2022

Advanced textiles designed for personal thermal management contribute to thermoregulation in an individual and energy-saving manner. Textiles incorporated with phase changing materials (PCMs) are capable of bridging the supply demand energy by absorbing releasing latent heat. The integration solar heating Joule function supplies multidriving resources, facilitates charging storage, expands service time application scenarios. Herein, we report a fibrous membrane-based textile that was developed designing hierarchical core–sheath fiber structure trimode management. Especially, coaxial electrospinning allows effective encapsulation PCMs, high heat enthalpy density (106.9 J/g), enabling membrane buffer drastic temperature changes clothing microclimate. favorable photothermal conversion performance renders saturated 70.5 °C (1 sun), benefiting from synergistic effect multiple light harvesters. Moreover, conductive coating endows composite admirable electrothermal performance, reaching 73.8 (4.2 V). flexible membranes integrated reversible change, multi-source-driven heating, storage present great advantages all-day, energy-saving, wearable applications.

Language: Английский

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Superhydrophobic Silica Aerogels and Their Layer-by-Layer Structure for Thermal Management in Harsh Cold and Hot Environments

ACS Nano, Journal Year: 2021, Volume and Issue: 15(12), P. 19771 - 19782

Published: Nov. 30, 2021

Personal thermal management (PTM) materials have recently received considerable attention to improve human body comfort with potentially reduced energy consumption. Strategies include passive radiative cooling and warming. However, challenges remain for regulation of one material or structure in both harsh hot cold environments. In this work, silica aerogels derived from sodium silicate were prepared through a solvent-boiling strategy, where hydrophobization, solvent exchange, purification, ambient pressure drying (HSSA) proceeded successively spontaneously one-pot process. This strategy leads the synthesis superhydrophobic extremely low consumption without out use an ion-exchange resin surface tension solvents. Silica possess high specific area (635 m2/g), contact angle (153°), conductivity (0.049 W/m K). A layer-by-layer (LBL) including aerogel layer extra phase change was designed. The demonstrates dual-functional performance (-30 °C) (70 environments, time reach equilibrium is postponed, inner temperature LBL can be kept above 20 °C environments below 31 °C). proof-of-concept experimental setup simulate illumination sunlight also proved that inside model car protected by 28 °C, while outside 70 °C. addition, these results are well supported theoretical COMSOL simulation results. findings work not only provide eco-friendly approach synthesize but demonstrate robust PTM system

Language: Английский

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Flexible phase change materials: Preparation, properties and application

Chemical Engineering Journal, Journal Year: 2021, Volume and Issue: 431, P. 134231 - 134231

Published: Dec. 18, 2021

Language: Английский

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Exploring Next‐Generation Functional Organic Phase Change Composites

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(28)

Published: May 12, 2022

Abstract As one of the main forms and intermediate carriers energy, it is impressive to expand application scope heat thereby boosting innovations in harvesting, conversion, storage, regulation, utilization associated with relevant techniques. Phase change materials (PCMs), as a state‐of‐the‐art latent storage technique, have garnered increasing interest heat‐related applications over past decades, abundant high‐performance PCMs excellent shape stability salient thermal conductivity been developed. This review focuses on issues concerning organic from perspectives flexible, multifunctional, smart phase composites, along emerging processing technologies, which are expected offer possible guidance for exploration next‐generation advanced functional composites.

Language: Английский

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Ultraflexible, cost-effective and scalable polymer-based phase change composites via chemical cross-linking for wearable thermal management

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: Dec. 5, 2023

Phase change materials (PCMs) offer great potential for realizing zero-energy thermal management due to superior storage and stable phase-change temperatures. However, liquid leakage solid rigidity of PCMs are long-standing challenges PCM-based wearable regulation. Here, we report a facile cost-effective chemical cross-linking strategy develop ultraflexible polymer-based phase composites with dual 3D crosslinked network olefin block copolymers (OBC) styrene-ethylene-butylene-styrene (SEBS) in paraffin wax (PW). The C-C bond-enhanced OBC-SEBS networks synergistically improve the mechanical, thermal, leakage-proof properties PW@OBC-SEBS. Notably, proposed peroxide-initiated method overcomes limitations conventional physical blending methods thus can be applicable across diverse polymer matrices. We further demonstrate portable flexible PW@OBC-SEBS module that maintains comfortable temperature range 39-42 °C personal thermotherapy. Our work provides promising route fabricate scalable composite management.

Language: Английский

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Nano-enhanced organic form stable PCMs for medium temperature solar thermal energy harvesting: Recent progresses, challenges, and opportunities

Renewable and Sustainable Energy Reviews, Journal Year: 2022, Volume and Issue: 161, P. 112321 - 112321

Published: March 12, 2022

Language: Английский

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Dopamine-Decorated Ti₃C₂T_x MXene/Cellulose Nanofiber Aerogels Supported Form-Stable Phase Change Composites with Superior Solar–Thermal Conversion Efficiency and Extremely High Thermal Storage Density

ACS Applied Materials & Interfaces, Journal Year: 2022, Volume and Issue: 14(13), P. 15225 - 15234

Published: March 24, 2022

The exploitation of from-stable phase change materials (PCMs) with superior energy storage capacity and excellent solar-thermal conversion performance is crucial for the efficient solar energy. Herein, 2D-layered polymerized dopamine-decorated Ti3C2Tx MXene nanosheets (P-MXene) photothermal effects oxidation stability were synthesized from Ti3AlC2 particles by selective etching self-polymerization dopamine. Then, novel biomass-derived PCM composites, eMPCMs, fabricated impregnating erythritol into P-MXene/cellulose nanofiber (CNF) hybrid aerogels. porous interconnected 3D aerogels adequately support resist liquid leakage during thermal storage. Differential scanning calorimetry (DSC) results showed that eMPCMs based on P-MXene/CNF exhibited an extremely high density (325.4-330.6 J/g) loading (up to 1929%). introduction P-MXene significantly increased efficiency, solar-thermal-electricity capacity, conductivity composites. Moreover, aerogel-based composites possessed long-term reliability thermostability. Hence, reveal tremendous potential fields.

Language: Английский

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