What is Few Layer Graphene?

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What is it? F ew ayer raphene ? The graphene layers consist of thin layers of carbon molecules arranged in a honeycomb hexagonal lattice.
The key features of F ew L ayer G raphene
The original crystal structure of natural flake graphite is retained in the few-layer graphene. It exhibits a large form ratio (diameter/thickness), 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
F. ew L ayer G raphene
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 promote the creation of new materials that use graphene-inorganic nanoparticles. The graphene inorganic nanocomposites have excellent performance. They can be widely utilized in sensors, batteries, supercapacitors as well as catalysis.
Few-layer graphene offers great utility in the energy sector. It is also very useful in supercapacitors, hydrogen storage, natural gas storage and in 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. It is formed during the electrochemical cycling of the capacitor. It also improves the material’s cycle performance. Using graphene in place of traditional graphite materials for lithium-ion lithium-ionbatteries will increase the lithium storage potential of the negative electro. In addition, the graphene material contains lithium ions. Its diffusion path is short and its conductivity high, which can dramatically improve its 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, greatly increasing graphene’s ability to absorb hydrogen.
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