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What is Few Layer Graphene?


What is it?



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The graphene layers consist of thin layers of carbon molecules arranged in hexagonal honeycomb lattices.


The key features of


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Few-layer graphene preserves the original crystal structure, characteristics and other properties of natural flake graphite. It is large in shape (diameter/thickness ratio), and has excellent electrical, thermal, and mechanical properties. Excellent electrical conductivity, lubrication resistance, corrosion resistance and other characteristics. The specific surface of the graphene layers is 400700m2/g. The thickness is 0.553.74nm. Graphene has a high surface specificity. It is easy to combine graphene with other materials like polymers and create a good interface.


Graphene Powder Properties

Other Titles
Graphene nanopowder, 2D carbon, monolayer graphene,

bilayer graphene, graphene nanosheets, graphene nanoribbons,

graphene nanoplatelet

No.
1034343-98-0

Combination Formula
C

Molecular Weight
12.01

Appearance
Black Powder

Melting Point
3652-3697

Boiling Point
4200

Density
2.267 g/cm3

Solubility of H2O
N/A

Thermal Expansion
N/A


Anode Material for Lithium Battery Few Layer Graphene (CAS 1034343-398-0


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As an excellent base material for industrial-scale functional composites materials, graphene layers will play a crucial role in this new industrial revolution. Graphene flakes attached inorganic microparticles can prevent the flakes being stacked repeatedly during chemical reduction. It can also encourage the formation of new materials with graphene carriers. The graphene inorganic nanocomposites have excellent performance. They can be used widely in sensors, batteries, supercapacitors. Catalysis, emission displays, and other fields.

Few-layer graphene offers great utility in the energy sector. It is also very useful in supercapacitors, hydrogen storage, and other lithium battery applications. Single-layer/few-layer graphene with fewer defects in structure is currently the most widely used negative electrode material for commercial lithium-ion batteries; and defect-rich, few-layer graphene is currently the main electrode material for supercapacitors. The supercapacitors’ large surface area and excellent conductivity are conducive for nanoparticle dispersion. This facilitates electron transfer from nanoparticles into the graphene matrix. This is known as the passive film phenomenon. This is an effect that improves the battery’s cycle performance. Using graphene to replace graphite in lithiumion batteries will increase their lithium storage capacity and thus increase the energy density. Furthermore, graphene is the negative electrode material for lithium-ion lithium-ionbatteries. The diffusion path is short and conductivity high, which can dramatically improve the rate performance. For hydrogen storage, some atoms such as transition metals or alkali metals are first attracted to graphene. The adsorption is a charge transfer that occurs between the increased and substrate atoms. This changes the local charge density, which in turn increases the adsorption of graphene for hydrogen.


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