Abstract
With the accelerated advancement of science and technology, the traditional textiles material has been unable to meet the specific functional and performance requirements. Meanwhile, the special structure of aerogel exhibits the drawback of limited thermal stability. The high surface energy of the particles makes it susceptible in high-temperature environments, which can lead to a reduction in specific surface area and even collapse of the porous structure. Aerogel assembled from ceramic nanofibers could be a solution. When the fiber size is reduced from micron to nanometer, the special properties brought by the small size effect and the high specific surface area effect will give the nanofibers new properties such as in light, electricity and sound. This paper provides a comprehensive general introduction of the structure, capability, preparation, and modification techniques employed in ceramic nanofiber aerogel research. The sol-gel electrospinning method can produce nanofiber aerogel with excellent properties. The paper reveals the excellent thermal insulation properties of ceramic grains that is located on ceramic fibers such as ZrO2, SiO2 and Al2O3, combined with the porous structure of aerogel can lock gas molecules, so that they can be used in high temperature environments.
Published Version
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