L15 Graphene
Graphene (GR) has been recently categorized by ISO, in order to protect you from the many fake products out there. And this is why:
The National University of Singapore (NUS) analyzed “Graphene” samples from over 60 providers from Americas, Asia and Europe.
According to the analysis most GR products / textiles worldwide do actually not contain GR: only 2% contain GR, 98% contain graphene oxide (GO) or graphite powder not properly exfoliated to GR, thus chemically contaminated powders.
ISO defines 1-10 layers/platelets of GR as Graphene, here the exact definitions:
- 1 platelet GR: 1LG
- 2 layers GR: 2LG
- Few-layer GR: FLG
- Graphene Oxide: GO
- Graphene Nano platelet: GNP
More than 10 layers of Graphene are actually GRAPHITE !
There are several methods to create GR: by mechanical, ultrasonic, chemical, fullerene and other exfoliation or splitting techniques.
- Lightweight composites for body structures
- Thermal management and fast de-icing devices
- Self-diagnosis composites
- EMI shielding and lightning strike protections
- Lubricants with enhanced anti-wear properties
- Embedded electronic circuits and antennas
- Improved coatings for corrosion resistance
- Electronics
- Heat dissipation devices
- EMI shielding coatings
- Transparent, flexible and conductive thin films
- Energy harvesting devices
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