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Silica Composite Aerogels
Zichun Lin, Xinyue Wang, Qing Xu, Hongjuan Duan, Haijun Zhang
Prog Chem ›› 2025, Vol. 37 ›› Issue (11) : 1688-1703.
PDF(5143 KB)
PDF(5143 KB)
Silica Composite Aerogels
Silica composite aerogels, characterized by their extremely low density, high specific surface area, and remarkable porosity, have found extensive applications in high-temperature kilns, the oil and gas sector, aerospace, and various other advanced domains. Firstly, silica aerogels that have been composited through inorganic and organic compositing were thoroughly reviewed in this paper, as well as fiber reinforcement, including a comparative analysis of their thermal conductivity, compressive strength, porosity, density, and other significant physical properties. Secondly, the most recent strategies for additive manufacturing of silica composite aerogels are summarized. Finally, the challenges related to the fabrication and performance of silica composite aerogels and proposed future research directions for their advancement was addressed by this paper.
Contents
1 Introduction
2 Inorganic composite silica aerogel and preparation strategy
2.1 Aluminum oxide composite silica aerogel
2.2 Carbon composite silica aerogel
2.3 Non-oxide composite silica aerogel
3 Organic composite silica aerogel and preparation strategy
3.1 Polymer composite silica aerogel
3.2 Non-polymerzied composite silica aerogel
4 Fiber reinforced silica aerogel and preparation strategy
4.1 Carbonfiber
4.2 Glass fiber
4.3 Other inorganic fibers
4.4 Organic fiber
5 Additive manufacturing strategies for silica composite aerogels
6 Forntier application
6.1 Aerospace
6.2 Energy saving
6.3 Battery thermal management
7 Conculusion and outlook
silica aerogel / inorganic composite / organic composite / fiber reinforced / additive manufacturing
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