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Industry News
Angstron receives $1.494 million for nano grahene platelet development

Primary goal is to functionalize nano graphene platelets for use in composites and other applications.

Author:
Posted on: 12/28/2009
Source: CompositesWorld

Angstron Materials Inc. (Dayton, Ohio, USa), a manufacturer of nano graphene platelets (NGPs), reported on Dec. 18 that it has been awarded $1.494 million to develop processes for mass-producing chemically modified (functionalized) NGPs for applications in the aerospace, energy, defense, automotive and telecommunications markets. Angstron was selected for the award by the U.S. Department of Commerce’s National Institute of Standards and Technology (NIST). Part of NIST’s Technology Innovation Program (TIP), the award will be matched by other funding sources.

TIP selected Angstron based on its capability to accelerate development of nano graphene, an advanced material considered critical to potential growth in U.S. manufacturing. “We’ll also be able to help industries that currently need and use carbon nanotubes, but would benefit from higher performance and a lower cost,” said Dr. Bor Jang, CEO and co-founder of Angstron.  

Angstron developed NGPs as an alternative to carbon nanotubes, which are difficult to disperse in resin systems and often have purity issues—not to mention the cost factor. NGPs have been shown to have striking material properties; among other things, it has the highest intrinsic strength and the highest thermal conductivity of all existing materials as well as exceptional in-plane electrical conductivity (up to ~ 20,000 S/cm) and electron mobility that is 100 times faster than silicon. 

The ability to chemically functionalize these NGPs in a continuous, cost-effective manner is the next step to broad implementation of this high-performance material. “We are actively looking for partners interested in jointly developing methods to incorporate NGPs into products that require  critical performance features and could provide a competitive advantage in today’s global market,” said Jang.  

Application examples include the ability to use NGPs in aviation against lightening strikes or in fuel tanks. The material can be modified to become semi-conducting or insulated when needed. Angstron’s work supports other aerospace needs such as integration of NGPs in thin films or coatings for EMI shielding, electrostatic spray painting, and conductive adhesives as well as composites and thermal management applications. Work is also underway to integrate NGPs in several energy storage and conversion products, such as high-capacity lithium-ion batteries, high-capacity supercapacitors, fuel cells, wind turbine blades, lubricants and solar cells.

Angstron’s project goals under the award will focus on two primary objectives. The company will develop methods for mass-producing functionalized NGPs through the development of scalable surface treatment procedures for both pristine graphene and graphene oxide platelets. Angstron will also develop an in-depth understanding of the relationships between processing, shape and structure changes and performance in NGPs and NGP-containing devices or composites for both functional and load-bearing applications.

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