AEROGELS - AEROGEL MATERIAL - NANOFOAMS - MarkeTech International

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Port Townsend, WA 98368

Aerogels and Nanofoams are derived from the sol-gel polymerization of selected silica or resorcinol-formaldehyde (RF) monomers in solution. The sol-gel solution is cast into the desired shape and after the formation of a highly cross-linked gel, the solvent is removed from the pores of the gel. The remaining rigid monolithic shape consists of covalently bonded, nanometer-sized particles that are arranged in a 3-dimensional network. Precursor RF gels can be applied to a fine carbon felt which is carbonized to form carbon nanofoam electrodes.

A common feature of all aerogels and nanofoams are their open, ultra small inter connected pores with a size of <100nm (0.100 nm). This open cell structure provides access to the entire surface area for reaction/deposition of materials as either gas or ions in solution. The physical properties of aerogels are controlled by the density and microstructure of the gel.