In the context of the “dual carbon” strategy,energy conservation and emission reduction have become crucial issues for industrial development.Thermal insulation materials,as key elements for reducing energy consumption and ensuring efficient equipment operation,have received considerable attention.SiO2 aerogel,with its exceptional thermal insulation performance,demonstrates broad application potential in fields such as aerospace,metallurgy,petrochemicals,and construction.In recent years,the scientific research community has focused on enhancing its high-temperature stability and mechanical properties,achieving significant progress through optimizing preparation techniques,analyzing microstructure,and exploring reinforcement and modification strategies.This paper first briefly summarized the preparation techniques of SiO2 aerogel,and then emphasized the improvement methods such as oxide reinforcement,fiber reinforcement,and organic reinforcement.Meanwhile,it analyzed the current limitations and challenges in research and offered insights into the future research directions and application prospects for SiO2 aerogel.
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基金资助
重庆市高校创新研究群体项目(CXQT19031)