Nano-Graphene Platelets

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Nano-Graphene Platelets

• James Robbins
• MEEN 3344

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What are Nano-Graphene Platelets (NGP)?

• Similar to Carbon Nanotubes (CNT)
• Graphene is a single atom thick sheet of carbon
• Twice the surface area and qualities out perform
  nanomaterials
• Outstanding conductor
• Electron flow at high speeds, with virtually no
  collisions with atoms in the crystal

Two sheets of graphene resting on top of a
silicon dioxide substrate
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Characteristics

• High Youngs modulus 1,000 Gpa
• Effective moisture barrier
• Electrical conductivity similar to copper
• Density is four times lower than copper
• Thermal conductivity is five times that of copper
• Essentially an opened up carbon nano tube. High
  surface area of 2500m²/g
• Has a lower density than steel but can be up to
  50 times stronger

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Advantages

• Mechanical, Thermal, electrical, chemical and
  adsorptive features
• Chemical bonding to a lots of different resins
• Can form oxygen, sulfur, hydrogen, and nitrogen
  sites
• Able to filter harmful organic and non organic
  materials

A cage constructed from graphene and nanotube
pillars allows better hydrogen storage
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Uses for NGP

• Battery electrodes and super capacitors
• Fuel cells, solar cells and energy storage
• Shield electromagnetic impulse and radio
  frequency for devices such as cell phones and
  computers
• Aerospace aircraft braking system, thermal
  management, and lightning strike protection
• Automotive fuel systems, tires, composites for
  internal an external parts
• Filtrations and purification

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References

• Graber, Dave. Nano Enhanced Wholesale
  Technologies http//www.nano-enhanced-wholesale-t
  echnologies.com/faq/answers/ngplatelets.htm
• ScienceDaily. Light-speed Nanotechnology
  Controlling The Nature Of Graphene (Jan. 26,
  2009) http//www.sciencedaily.com/releases/2009/01
  /090121122836.htm