Year: 2025
Type: article
Abstract: The smart aerogel control technology based on thermochromic materials can dynamically adjust the emittance with temperature changes, which plays a significant role in reducing energy consumption and carbon emissions. This paper presents the design of the smart aerogel based on hollow VO2 particles with excellent emittance modulation. The radiation characteristics of a single particle were calculated using the multi-sphere superposition T-matrix method, and the radiation characteristics of the aerogel were determined using the Monte Carlo method. The results indicate that when the radius of the hollow VO2 particles is 1 μm and the shell thickness is 40 nm, the hollow particles display excellent thermal regulation. When the thickness of the VO2 particle smart aerogel is 50 μm, with a volume fraction of 2.5%, the emittance of the adaptable aerogel can reach 51.295%, which provides a theoretical foundation for the further advancement of infrared smart aerogels to enhance their energy-saving performance.
Source: Gels
DOI: 10.3390/gels11040273
Authors: Xingcan Li, Shengkai Qin, Bowei Xie, Tianbo Hou, Linkang Wang, Yinmo Xie, Meiran Han
Language: English
Subfield: Civil and Structural Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $2,534
OpenAlex ID: W4409215668