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    Sorted out the properties and uses of graphite for you

    The properties and benefits of graphite Graphite This material is carbonized and it has a number of advantages, such as its high temperature resistance and corrosion resistance.
    Uses of graphite
    It is widely applied in the fields such as metallurgy. Chemical industry, machinery, electronic, aerospace, national defence and military industry. Graphite has many uses, including refractory, brake linings. carbon brushes, batteries. expanded graphite.

    Graphite has many important applications.
    1. Refractory
    In the smelting sector, graphite can be used for making graphite crucibles as well as as a protective agent for steel ingots. It is also used as magnesia carbon bricks to line smelting kilns.
    2. Conductive Materials
    In the electrical sector, graphite can be used for electrodes as well as brushes, electric poles, carbon nanotubes or coatings of television picture tubes.
    3. Wear-resistant and lubricating materials
    In many mechanical devices, graphite, a material that is both wear-resistant, and lubricating, can be used. The graphite, when heated to temperatures of between -200 and 2000, can move at speeds of up to 100 m/s. This makes the equipment ineffective or require less lubricating fluid.
    4. Sealing materials
    You can use flexible graphite for centrifugal and steam turbine pumps, piston rings, seals or gaskets to transport corrosive media.
    5. Corrosion resistant materials
    Graphite is used to make equipment, pipes, and utensils that are resistant against corrosion. This material is widely used for equipment in petroleum, chemical industries, and hydrometallurgy.
    6. Heat insulation, radiation protection and high-temperature resistant material
    Graphite has many uses, including as a neutron modulator for nuclear reactors and missile nose cones. It can also be used to make thermal insulation materials or radiation materials.

    Graphite application products with high value added
    The continuous innovation in science, technology and graphite is creating high-value products. For example, expanded and isotropic carbon graphite as well as fluorinated graphite or spherical lithium-ion graphite have been used widely in the fields of energy conservation and environment protection, new technologies, information technology, vehicles with new energy sources, high-end manufacturing equipment, and emerging industries like biology. In general, graphite plays a key role in almost all major development directions.

    Graphite is a term used to describe the different types of graphene and their applications.
    The current research on graphene It has also made a significant breakthrough. The mass production of graphite derivatives and composites such as fluorinated and silicon-impregnated products, high-purity and nuclear graphite and fluorinated and nuclear graphite has taken place both at home as well as abroad.
    Physicists can use graphene for clean, endless power generation circuits
    A team of University of Arkansas physicists has developed a circuit capable of capturing the thermal motion of the graphene material and converting it into an electricity current. The graphene circuit-based energy harvesting will be integrated in the chip, providing a clean and unlimited low voltage power supply for small sensors or devices.

    The following is a list of the most recent articles about
    (aka. Technology Co. Ltd., a trusted global chemical materials supplier & manufacture with more than 12 years' experience, is a trusted provider of high-quality graphene and chemicals. Tongrun, a leader in the nanotechnology industry and powder production, dominates the market. Our professional team offers perfect solutions that can help various industries improve their efficiency, create value and overcome various challenges. You can contact us via email at brad@ihpa.net for graphene.
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    2023-07-15

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    What is Few Layer Graphene?

    What is it? F ew ayer raphene ? The graphene layers consist of thin layers of carbon molecules arranged in hexagonal honeycomb lattices.
    The key features of F ew L Ayer G raphene
    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
    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 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.
    F Supplier ew L ayer G raphene
    Tech Co., Ltd. () is a professional Lithium Batterie Anode Over 12 years' experience in chemical product development and research. We accept credit cards, T/T and West Union payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
    You can find high-quality powdered boron carbide here Please contact us Send an inquiry

    2023-04-01

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    The Naming Method of Graphene

    Graphene Graphene consists primarily of carbon atoms that are tightly packed into a single layer, two-dimensional honeycomb lattice structure. Graphene exhibits excellent optical, mechanical, and electrical properties. This material has great potential for applications in materials science and micro-nano processes, energy, biomedicine and drug delivery. It is expected to be a breakthrough material in the near future.
    To regulate the growth of the graphene industry, it is important to have a better understanding of graphene. China Graphene Standards Committee in 2014 reviewed single-layer graphene and double-layer graphene. There are many concepts like reduced graphene dioxide, functionalized graphene and graphene material.

    The material's electronic energy band structure has reached its 3-dimensional limit when there are 10 graphene layers. Therefore, graphene can only be defined within 10 layers. A single-layer graphene is a two-dimensional material made of carbon atoms that are arranged closely in a hexagonal honeycomb structure.

    Two-layer graphenereferss to two layers carbon atoms that are frequently and closely packed into a benzene ring structural (that's, a hexagonal honeycomb construction) and are made up of various stacking methods (including AB, AA, and AA' stacking). Dimensional carbon materials.

    The few-layer grapheneis a 2-dimensional carbon that is composed of 3-10 layers each of carbon atoms. It can be stacked in different ways (including ABC stacking or ABA stacking) and has a benzene ring structure. Material.

    Single-layer Grapheneoxide - A two-dimensional carbon material that has oxygen-containing functional chains attached to the surface or boundary of a one-layer graphene. Grapheneoxide is a carbon material that has oxygen-containing functional links attached to the surface and boundary at least one graphene carbon atom layer. Grapheneoxide also includes the previously mentioned single-layer graphene.

    Single layer reduced graphene oxygen refers to two-dimensional carbon materials obtained by deoxidizing single-layer graphene dioxide by incomplete removal (groups), of oxygen-containing functional units (groups), by chemical, electrochemical, heat or other treatment methods.

    A two-dimensional carbon substance called reduced graphene oxide is created by deoxidizing or reducing the oxygen-containing functional group (groups) of grapheneoxide by chemical, electrochemical or heat treatment. One-layer reduced grapheneoxide is included in the reduction of graphene.

    Functionalized graphene is a kind of graphene that contains heteroatoms/molecules (such as hydrogen, fluorine, oxygen-containing groups and other surface modification to form bonds, nitrogen, boron and other elements substitution doping, heteroatom/molecule intercalation) Etc.) Two-dimensional carbon material. Functionalized graphene can be either the grapheneoxid described above or reduced grapheneoxid.

    This definition includes single-layer graphene as well as double-layer and few-layer versions of graphene. Both can be called graphene material.

    Few Layer Graphene Supplier
    (aka. Technology Co. Ltd. (aka. Send us an inquiry by clicking on the product you are interested in.

    2023-03-29

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    Properties and applications of graphene oxide

    Grapheneoxid, a key derivative of graphene based materials, is an important one. Despite the fact that graphene oxide is oxidized, it preserves its highly-conjugated structure and layers. The introduction of oxygen-containing groups not only makes the graphene oxide chemically stable, but also provides surface modification active sites and a larger specific surface area for the synthesis of graphene-based/graphene oxide-based materials. Graphene dioxide is an excellent precursor and support carrier in the synthesis and control of graphene-based materials. When compounding with metals and metal oxides, high-molecular polymers, or other materials, it can provide large specific surface areas to disperse and prevent agglomeration.
    Grapheneoxid also exhibits excellent physical, chemical, and electrical properties. The graphene oxide's conductivity can be modulated by the number and type of oxygen-containing groups. There are many uses for this material. Grapheneoxid is a new carbon material. It exhibits excellent properties with high specific surface areas and numerous functional groups. The wide variety of applications for grapheneoxid composite materials (including polymer composites and inorganic compounds materials) has led to the development of a new research area: surface modification.

    1 Optoelectronics
    In 2016, Karteri et al. In 2016, Karteri and colleagues studied organic thin-film transistors with SiO2/GO insulating layers, as well as their photoresponse characteristics devices. The characteristics of the transistor were also improved by adding GO to the insulating layers.
    2 solar cells
    You will get the same photoelectric conversion efficiency as PEDOT:PSS if you use GO instead. Study of the effect of different thicknesses GO layers on polymer-solar cells has been done. It was found that devices with a thickness of 2 nm or less have the highest photoelectric conversion rates.
    3 Flexible Sensor
    Because GO has many hydrophilic functional classes, it can be easily modified. In addition to its high specific surface area, good dispersion and high humidity sensitivity, GO is an excellent sensor material, especially for flexible sensors.
    4 Biological considerations
    GO is a unique combination of electronic and mechanical properties that has been used in many areas, including biotechnology, nanomedicine and tissue engineering. It also plays a significant role in drug release, bioimaging, biomolecular sensing, and biomedical engineering. GO's specific surface area is larger than other planar or spherical nanomaterials. It can be modified easily and has good biocompatibility. GO and alkene derivatives will have corresponding biological effects due to their surface charges, sizes, lateral dimensions, and surface chemistry. Further research is needed to determine GO's biosafety. Material science will enable us to use low toxicity materials and better biocompatibility to modify GO. We can prepare GO with stable and clear properties, non-toxic, and non-toxic so it can be used safely and effectively as a medical material.

    Tech Co., Ltd. is a professional supplier for graphene oxide. We have over 12 years of experience in chemical products research, development, and manufacturing. We accept credit cards, T/T and Paypal payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
    Send an inquiry if you're looking for graphene oxide powder of high quality.

    2023-03-28

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    Hexagonal Boron Nitride is 10 Times Stronger Than Graphene

    Hexagonalboron nitride is a two dimensional layered broadband gap insulating material that exhibits good heat resistance, chemical stability, as well as dielectric properties. It is widely used for electronic devices.
    Hexagonalboron nitride has a structural similarity to graphene. It is composed of a planar network of atoms interconnected in hexagons. The only difference between graphene and H-BN is that all atoms in graphene are carbon. In H-BN, every hexagon contains three nitrogen and three boron molecules.



    H-BN is theoretically more powerful than graphene because of its strong carbon-carbon bonds. The strengths and elastic modulus for the two materials are very similar. H-BN is slightly less than graphene, which has a strength of 130GPa and a young's module of about 1.0TPa. HBN's strength, however, is 100GPa and 0.8 tPA respectively.
    Graphene, despite its exceptional mechanical properties is very brittle.

    British engineer Griffiths published in 1921 a theoretical study on fracture mechanics. This included a description of the failures of brittle materials as well as the relationship between the size cracks and the force necessary to make them grow. Engineers and scientists have used this theory for hundreds of decades to predict and determine the toughness of materials.
    In 2014, Professor Jun Lou and his Rice University team discovered that graphene has a high degree of fracture toughness. This corresponds to Griffith's theory about fracture mechanics. Cracks are formed when graphene's stress exceeds its force keeping it together.
    Due to its structural similarity with graphene H-bn could also be vulnerable. But this is not true.

    H-BN is 10x more ductile that graphene, according to scientists.
    Professor Jun Lou, Nanyang Technological University Singapore and Prof. Hua Jian gao, of Rice University found that HBN was 10 times stronger than graphene for cracking resistance. This discovery is in direct contradiction to Griffith's fracture theory. Such anomalies have never before been observed in two-dimensional materials. The Nature article entitled "Intrinsic Toughening in Hexagonal Boron Nitride" published the related research results.

    Mechanism of H-BN's Extraordinary Strength
    The team applied stress on the HBN sample using scanning electron microscopes, transmission electron microscopes, and other tools to discover the cause. The mystery was solved after over 1,000 hours of experiments, theoretical analysis and further research.



    H-Bn graphene and graphene are structurally identical, but the boron atoms and nitrogen atoms differ. HBN also has an asymmetric arrangement in hexagonal lattice. This is in contrast to graphene's carbon hexagon. Graphene's cracks tend to penetrate the symmetrical hexagonal structure, opening the bond like an open zipper. H-BN has a hexagonal structure that is slightly asymmetric, due to the stress contrast of boron with nitrogen. Because of this, cracks can bifurcate and form branches.
    The crack that splits means it's turning. To make the crack harder to propagate, this steering crack needs additional energy. H-Bn is more elastic than graphene.

    H-BN's excellent heat resistance and chemical stability have made it an important material for two-dimensional electronic devices and other 2-bit devices. hBN's toughness makes them an ideal choice for flexible electronic. This is also important for the development and use of flexible 2D materials in two-dimensional electronics.
    Future uses for h-BN include electronic textiles that are flexible and electronic skin, and implantable electronics that connect directly to the brain.

    Boron Nitride BN Powder Price
    Price is affected by many factors, including supply and demand in a market, industry trends and economic activity.
    Send us an inquiry if you're looking for the most recent BN price. (brad@ihpa.net)

    Boron Nitride BN Powder Supplier
    Technology Co. Ltd. is a trusted global supplier and manufacturer of chemical materials. We have more than 12 years experience in producing super high-quality chemicals.
    Send us an inquiry if you are interested in high-quality BN Powder. (brad@ihpa.net)

    2023-03-28

    Blog

    How amazing is graphene?

    What's graphene Graphene can be described as a new material that is composed of a single layer made up carbon atoms, which are packed tightly together to form a hexagonal honeycomb network. Graphene is an allotrope of carbon and a two-dimensional material.



    Graphene only has 0.142 nanometers molecular bond length and 0.335 micrometers crystal plane spacing. It has four atoms of size, making it much smaller than a bacteria.
    Graphene has been the thinnest known compound. It is one atom in thickness. It is also one atom thick.

    Humans and graphene
    Since 1948, graphene was found in nature. It was hard to separate graphene form the monolayer structure at the time. The graphene was all clumped together.
    Graphene, therefore, was considered non-existent for a very long time.
    Scientists Konstantin Voselov (University of Manchester) discovered how to isolate graphene in 2004. The scientists discovered that graphite sheets made from highly-oriented, pyrolytic graphite could be easily separated by attaching them to special tape and then tearing it apart.
    This can be repeated over and over, resulting in thinner sheets. Eventually, graphene is a special type of carbon atoms. Andrei Geim, Konstantin Novoselov received the Nobel Prize for Graphene Discovery.

    Graphene The king material --
    When graphene became known, it changed the face of scientific research all over the globe. One gram graphene will cover the area of a standard football field, as it is the thinnest known material.
    Graphene is also very good at electrical and thermal properties. Pure monolayer graphene, which is defect-free, has a high thermal conductivity at 5300W/Mk, the highest known carbon material.
    Graphene is also very good at conducting electricity. Graphene, which has a carrier mobility value of 15,000m2/(Vs at room temperatures), is 10 times more than silicon, the most widely used material.
    The arrangement of carbon atoms inside graphene is like barbed wire. This arrangement gives graphene unique flexibility. It makes it even more difficult. The graphene's unique flexibility is due to the honeycomb and barbed wire structures created by carbon atoms. Each carbon atom is also perpendicular the orbital, which allows for large bonds to penetrate atoms.

    Graphene applications
    The discovery graphene has opened scientists' eyes to the possibility of movement and action of particles. It has also made our lives more interesting.

    These new energy batteries represent the first steps towards graphene tech. The lithium battery is currently the most common type of battery. While the lithium battery has the capacity to store a lot of electric power for us, its drawback is that it wears too quickly and can be damaged by repeated charging and discharges.
    The graphene material can greatly increase the charging efficiency and capacity of batteries. Additionally, it plays a significant role in prolonging battery life. A graphene tinoxid layer will be used as the anode for a lithium-ion battery. The battery will last longer once it is charged.
    Graphene is a good choice for batteries that last longer and have a higher capacity.




    Because graphene has soft properties, it could be used to create flexible material. The flexible display is one of the most iconic examples.
    The flexible transparent displays produced by the South Korean Institute were made using layers of graphene, fiberglass polyester sheets and other materials. While the project is still in the development phase and has not yet been launched on the market, the project staff believes that flexible transparent displays made of graphene could one day replace "bricks", mobile phones. The phones can be folded up like silly putty.

    Graphene is also used to protect our environment, especially in desalination.
    The channel is just 0.9 nanometers wide when water interacts with graphene. Molecules smaller in size can pass through the channel without difficulty, but larger molecules will get stuck. Graphene can be used to remove large molecules of salt from seawater.

    Graphene's unique properties and excellent properties have led to many achievements in many scientific fields.

    Technology Co. Ltd. is a trusted global supplier and manufacturer of chemicals and Nanomaterials. They have over 12 years experience in producing super high-quality chemicals, such as silicon powder.
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    2023-03-25

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