Feuille de carbone d’un atome : Nobel, battage composites, quelques usages honnêtes.
Aussi appelé: monocouche · 2-D carbon · CVD graphene
AlexanderAlUS · CC BY-SA 3.0
Repères
2004 isolationYear
extreme in-planeK
Not a FR boardFire
Scotch-tape NobelIcon
Zero-gap semiconductorGap
advancedFamily
Graphène is one of 32 materials in this atlas, grouped under advanced: history, structure, measured properties, process routes, uses, safety and market — not a product catalogue.
Scores compare Graphène with the rest of the atlas on strength, heat, fire behaviour, insulation, workability and circularity. They are editorial, not certificates.
Seven chapters follow. Fire and insulation claims name test families (Euroclass, ASTM E84, ISO 5660, KS F) rather than inventing a single safety number.
Introduction approfondie
Deep dive: Graphène
Graphène (C (honeycomb monolayer)) is a family of grades whose density areal mass ~0.77 mg/m², heat band 2-D stability is a lab story, and fire letter carbon; not a building product.
What “the material” actually is
Graphène is sold as grades, not as a single substance. Chemistry C (honeycomb monolayer), density areal mass ~0.77 mg/m², heat band 2-D stability is a lab story.
This atlas treats Graphène as a system: mill route, coatings, tests and the cavity it sits in.
Heat, fire and insulation
Conductivity note: ~3000–5000 W/m·K in-plane (theory/exp bands). Insulation score 18/100 is relative to 32 entries — metals lose, VIPs and aerogels win.
Fire letter in editorial use: carbon; not a building product. Do not equate A1 with “safe in a blaze” or E with “illegal”. Assemblies decide.
How it is made and used
Origin: Geim & Novoselov 2004, Manchester. The process chapter follows feedstock → conversion → forming → finish → install.
Uses span buildings to defence / safety. Pairings matter: carbon-fiber.
Market and circularity
Producers below are landmarks, not an endorsement ranking. Prices are bands, not live quotes.
Circularity mark 42/100. Ask which scrap, which certificate, which year.
Atlas lié
Around Graphène
Related atlas entries, a short glossary, and three threads that keep Graphène honest.