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Aerogel materials possess a wide variety of excellent functions,hence a striking number of applications have developed for them.In this paper,we present a historic review of the aerogel materials,showing the main concepts,research methods,important scientific problems,formation mechanism,structure characteristics and essence of aerogel.More applications are evolving as the scientific and engineering community,which becomes familiar with the unusual and exceptional physical properties of aerogels.In addition,we also discuss the huge development potential and prospect of polysaccharide aerogels as the research trend in the future.
Aerogel materials have a wide variety of excellent functions, hence a striking number of applications have developed for them.In this paper, we present a historic review of the aerogel materials, showing the main concepts, research methods, important scientific problems, formation mechanism, structure characteristics and essence of aerogel. More applications are evolving as the scientific and engineering community, which becomes familiar with the unusual and exceptional physical properties of aerogels. In addition, we also discuss the huge development potential and prospect of polysaccharide aerogels as the research trend in the future.