The process starts with a graphene-based dispersion, where graphene sheets are uniformly distributed in a liquid medium. These sheets then self-assemble into a three-dimensional porous network, forming the foundation of the aerogel’s ultra-light structure.
Drying is the most critical step. Advanced techniques such as freeze-drying are used to remove liquid without collapsing the delicate pore structure. Finally, thermal or chemical treatments are applied to enhance electrical conductivity, mechanical strength, and stability.
This controlled process allows graphene aerogel to be customized in density, pore structure, and performance for industrial applications.
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