Aerogel‐Functionalized Phase Change Materials toward Lightweight and Robust Thermal Management DOI

Ganlu Wang,

Ling Liu,

Xueyan Hu

et al.

Small Methods, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 24, 2025

Abstract With their low density and high porosity, aerogels are widely used as supporting frameworks for phase change materials (PCMs). However, the host–guest solid–liquid phase‐change systems often encounter difficulties in optimizing balance between mechanical properties thermal energy storage performance, intrinsic advantages of not being fully realized. Herein, an aerogel‐functionalization‐PCM strategy, a completely converse route compared to traditional aerogel‐filling‐PCM method, toward lightweight, flexible PCM robust management is developed. As proof concept, silica aerogel particles (SAPs) functional components added polyvinyl alcohol‐polyethylene glycol network produce composite PCMs. The addition SAP reduces PCM's latent heat by 25% but significantly decreases heating rate 190% enhances insulation 147%, achieving 28 °C temperature drop at 80 °C. This work provides fresh perspective on design thermally PCMs demonstrates feasibility enhancing protection under reduced conditions.

Language: Английский

High-Flexible Phase Change Composites with Enhanced Thermal Conductivity for Electronic Thermal Management DOI
Na Sun, Qianqian Luo, Xiangqing Li

et al.

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: 6(1), P. 778 - 786

Published: Jan. 2, 2024

High thermal conductivity and outstanding flexibility are highly desired for management applications of phase change materials (PCMs) in flexible wearable electronics. Herein, a shape-stabilized composite film with binary heat-conducting fillers boron nitride graphene nanoflakes was prepared by facile strategy through water-based emulsion blending method. Benefiting from the honeycomb-like distribution polymer-based PCMs, as-prepared exhibits high 1.09 W/m·K an extensibility (275%). Meanwhile, it also possesses relatively latent heat (96.88 J/g) good shape stability. Based on remarkable comprehensive performances, obtained structured PCM films show great prospects next-generation

Language: Английский

Citations

17
Thermal energy storage using phase change material for solar thermal technologies: A sustainable and efficient approach DOI
Pushpendra Kumar Singh Rathore, Basant Singh Sikarwar

Solar Energy Materials and Solar Cells, Journal Year: 2024, Volume and Issue: 277, P. 113134 - 113134

Published: Aug. 30, 2024

Language: Английский

Citations

17
Green strategy based on supercritical-fluid foaming for fabricating rigid microcellular thermoplastic polyimide foams with ultrahigh compressive strength DOI
Haiming Liu, Xiangdong Wang, Chuntai Liu

et al.

Composites Part B Engineering, Journal Year: 2024, Volume and Issue: 273, P. 111204 - 111204

Published: Jan. 12, 2024

Language: Английский

Citations

16
Oil-Resistant and Wood-Inspired Superhydrophilic Poly(Vinyl Alcohol) Aerogel with Vertically Aligned Channels for Effective Solar Interfacial Desalination and Wastewater Treatment DOI

Jiehui Li,

Ying Zhang, Qinghua Liu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: March 7, 2025

Environmental pollution and sewage surges necessitate effective water purification methods. Solar interfacial evaporation offers a promising solution, which needs advancements in salt resistance, efficiency, stability. Herein, inspired by the structure of wood, unidirectional freeze-drying method was used to develop vertically aligned channels antioil-fouling poly(vinyl alcohol)-CNTs-waste carton fiber@polydopamine (PVA-CNTs-WCF@PDA) aerogel for desalination wastewater treatment. The anisotropic three-dimensional porous enables it rapidly transport interface resist deposition. Meanwhile, its unique is combined with CNTs PDAs excellent broadband spectral absorption capacity because composite aerogels can interact molecules reduce their vaporization enthalpy. shows an photothermal rate (2.626 kg m-2 h-1) efficiency (94.24%) under one-sun irradiation. Additionally, evaporator conduct 10 consecutive evaporations 3.5% brine, indicating that has ability desalination. Finally, also purify oil-in-water emulsion mine wastewater. It be seen there are no obvious oil droplets treated treatment effect reaches 89.13%. showed application prospects field purification.

Language: Английский

Citations

4
Aerogel‐Functionalized Phase Change Materials toward Lightweight and Robust Thermal Management DOI

Ganlu Wang,

Ling Liu,

Xueyan Hu

et al.

Small Methods, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 24, 2025

Abstract With their low density and high porosity, aerogels are widely used as supporting frameworks for phase change materials (PCMs). However, the host–guest solid–liquid phase‐change systems often encounter difficulties in optimizing balance between mechanical properties thermal energy storage performance, intrinsic advantages of not being fully realized. Herein, an aerogel‐functionalization‐PCM strategy, a completely converse route compared to traditional aerogel‐filling‐PCM method, toward lightweight, flexible PCM robust management is developed. As proof concept, silica aerogel particles (SAPs) functional components added polyvinyl alcohol‐polyethylene glycol network produce composite PCMs. The addition SAP reduces PCM's latent heat by 25% but significantly decreases heating rate 190% enhances insulation 147%, achieving 28 °C temperature drop at 80 °C. This work provides fresh perspective on design thermally PCMs demonstrates feasibility enhancing protection under reduced conditions.

Language: Английский

Citations

2