作为一种新型纳米多孔材料的气凝胶，是世界上密度最小的固体。然而，随着科

As a novel nanoporous airgel material, it is the world's smallest density of the solid. However, with advances in technology, different types of aerogels after another, the current study aerogels concern. The common type of airgel in daily life, the article will focus on the graphene airgel, SiO2 airgel, carbon airgel, and biomass-based method for preparing an oxide airgel.

As a new type of nanoporous material, aerogel is the world's smallest solid. However, with the progress of science and technology, different types of aerogels are emerging, and the research of aerogels is attracting much attention. Based on the common types of aerogels in daily life, this paper will focus on the preparation methods of graphene aerogels, SiO2 aerogels, biomass-based carbon aerogels and oxide aerogels.

Aerogel as a new nanoporous material is the world's least dense solid. However, with the progress of science and technology, different types of aerogels emerge in endlessly. At present, aerogels have attracted much attention. According to the common types of aerogels in daily life, this article will focus on the preparation methods of graphene aerogels, SiO2 aerogels, biomass based carbon aerogels and oxide aerogels.<br>