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4. Quality
Around the world, there are numerous companies positioning themselves as graphene manufacturers. In China alone, there were over 2,000 graphene-producing companies at the beginning of 2020. However, initial comparative analyses show that only a very small proportion – a few dozen companies worldwide – produce so-called "nano-platelet graphene" (GNP), and fewer than 10 companies produce graphene that meets the definition accepted by scientific experts for this material (less than 10 carbon layers, i.e. less than 3 nm thick).
Across Europe, North America and Australia, there are over 300 companies that can be considered graphene producers. In addition to these, 6,000 companies have been registered in China as having a graphene-related activity, although a significant number have no commercial activity at all, and many are intermediaries rather than actual graphene...
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Graphene, a new alternative for the environmental transition
Bibliography
Standards and norms
- Nanotechnologies – Vocabulary – Part 13: Graphene and related two-dimensional (2D) materials. - ISO/TS 80004-13 - 2017
- Nanotechnologies – Matrix of properties and measurement techniques for graphene and related two-dimensional (2D) materials. - ISO/TR 19733 - 2019
Patents
WO2005073127: "Method for dissolving carbon nanotubes and the use thereof".
WO2009056696: "Graphene solutions".
WO2015189335: "Aqueous and organic suspensions of exfoliated nanocarbon materials, method for making same and uses thereof".
Directory
Graphene producers (non-exhaustive list)
Graphenea – CVD graphene producer
Abalonyx – GERD producer
Applied Graphene Materials – Graphene producer from mechanical...
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