Graphene with a two-dimensional planar structure is exfoliated from graphite material. Graphene will appear in the shape of carbon spheres, carbon tubes or sheets.
Main characteristics of two-dimensional sheet structures
1.High conductivity
According to the literature, the resistivity is about 10-6 Ω·cm, which is the material with the lowest resistivity in the world, far lower than copper or silver.
2. High transparency
Single-layer graphene is almost transparent (only absorbs 2.3% of light) and is suitable for manufacturing transparent touch screens (Touch panels).
3. The thinnest yet hardest material in the world
It is 100 times harder than steel, and the Nobel Committee's website describes it as a one-square-meter sheet of graphene that can withstand a 4-kilogram cat.
4. High thermal conductivity
According to the literature, the thermal conductivity is as high as 5300 W/m·K, which is much higher than carbon nanotubes and diamond.
5. High flexibility
Two-dimensional graphene is flexible enough to allow stretching and bending.
Learn more about the properties of graphene
A: Graphene is a material composed of a single layer of carbon atoms arranged in a honeycomb lattice structure. It is one of the materials with the highest strength and best electrical conductivity currently known.
A: The main applications of graphene include electronic equipment, energy storage (such as batteries and supercapacitors), composite materials, sensors and medical fields.
A: Graphene is called a "miracle material" because of its excellent mechanical strength, high electrical conductivity, excellent thermal conductivity, transparency and elasticity, which gives it revolutionary application potential in many fields.
A: Graphene’s electrical conductivity is extremely high, 100 times better than steel, which makes it promising for a wide range of applications in electronics and electrical fields.
A: Graphene’s applications in the energy field include making high-efficiency batteries and supercapacitors to increase energy storage capacity and charging speed.
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