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7/30/2008 | 1 MINUTE READ

Nanographene platelets

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Angstron's nanographene platelets are offered as an alternative to carbon nanotubes.

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Angstron Materials LLC (Dayton, Ohio) has developed what its says is a cost-effective, high-quality alternative to carbon nanotubes.  The new carbon-based material is called nanographene platelets (NGPs). Features include thermal conductivity five times that of copper, electrical conductivity similar to copper and density is four times than copper's, resulting in lighter weight components. NGPs are said to be 50 times stronger than steel with a surface area twice that of carbon nanotubes. The NGPs are available in thicknesses ranging from 0.34 to 100 nm and widths of 0.5 to 20 microns in length. Length-to-thickness aspect ratios of up to 10,000 are available.  Angstron also reports that it can modify the chemistry of the nanoplatelet surface to fine-tune electrical, thermal, mechanical, optical, magnetic, chemical and other  performance properties. The material is available in several forms including raw materials and solutions. It can be blended with other nanomaterials to achieve higher loadings for various forms of composite laminates as well as nanocomposites for load-bearing and functional applications. Angstron reports that it is working with customers to develop products for batteries, fuel cells, supercapacitors, light-weight structural components as well as electromagnetic interference (EMI), radio magnetic indicator (RMI), electrostatic discharge (ESD) and lightning strike applications.

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