Overview of Graphene Powder
Graphene powder is a fine granular material composed of single or multi-layer graphene sheets. It has excellent electrical conductivity, thermal conductivity, mechanical strength and high specific surface area, so it has broad application prospects in many fields. Graphene powder can be used to prepare high-performance electrode materials to improve the energy density and charge-discharge rate of batteries; it can also be used as a reinforcing material to improve the mechanical properties and conductive properties of composite materials. In addition, graphene powder can also be used in coatings, metallurgy, plastics and other industries to improve product performance.
Characteristics of Graphene Powder
High electrical conductivity: Graphene powder has excellent electrical conductivity and extremely high electron mobility, which makes it have broad application prospects in electronic devices, batteries and other fields.
High thermal conductivity: Graphene powder also has very high thermal conductivity and can effectively conduct heat, so it has potential application value in fields such as heat dissipation materials and thermal management.
High mechanical strength: Graphene powder has excellent mechanical properties, and its strength and hardness are very high, making it advantageous in reinforcing composite materials and preparing high-strength structural materials.
High specific surface area: The specific surface area of graphene powder is extremely large, which means that it has excellent adsorption capacity and chemical reaction activity, and can be used in catalysts, adsorbents and other fields.
Chemical stability: Graphene powder has good chemical stability and can maintain the stability of its structure and performance under certain conditions, making it effective in a variety of environmental conditions.
Good dispersion: Graphene powder can be evenly dispersed in a variety of solvents, which is beneficial to its application in composite materials, coatings and other fields.
Adjustability: The number of layers, size and other parameters of graphene powder can be adjusted through the preparation method to meet the requirements for material performance in different fields.
Applications of Graphene
Graphene has excellent optical, electrical, and mechanical properties, and has important application prospects in materials science, micro-nano processing, energy, biomedicine, and drug delivery. It is considered a revolutionary material in the future. Graphene is one of the materials with the highest known strength. It also has good toughness and can be bent. The theoretical Young's modulus of graphene is 1.0 TPa and the inherent tensile strength is 130 GPa. Graphene has very good thermal conductivity. Graphene has very good optical properties, the absorption rate is about 2.3% in a wide wavelength range, and it looks almost transparent.
Graphite-corp provides different kinds of graphite powder, such as natural graphite powder, modified artificial graphite, natural compound graphite powder, etc.
Battery energy field: Graphene has high conductivity and specific surface area and can be used to manufacture high-efficiency batteries and supercapacitors. Graphene batteries charge much faster than traditional batteries, with higher energy density and longer service life.
Field of semiconductor electronic devices: Graphene's excellent conductivity and good light transmittance make it an ideal material for manufacturing the next generation of high-speed, low-power semiconductor electronic devices, such as transistors, field effect transistors, integrated circuits, etc.
Biomedical field: Graphene is biocompatible and biodegradable and can be used to prepare biomedical materials such as drug delivery systems, biosensors, and bioimaging agents.
Composite materials field: Graphene has high strength and flexibility and can be added to other materials to enhance their properties. For example, adding graphene to plastics can create high-strength, lightweight composite materials for use in structural materials such as aircraft and automobiles.
Sensing and detection fields: Graphene's high sensitivity and fast response characteristics can be used to manufacture highly sensitive sensors and detectors. For example, graphene can be used to detect gases and biomolecules and can also be used to create photodetectors and optical modulators.
Optical field: Graphene has excellent light absorption and light transmittance and can be used to manufacture transparent photoelectric films and optoelectronic devices, such as solar cells, LEDs, etc.
Thermal management field: Graphene has high thermal conductivity and can efficiently manage heat dissipation. Adding graphene to insulation materials can improve their insulation properties while using graphene to make radiators can improve their heat dissipation efficiency.
The field of manufacturing other two-dimensional materials: Graphene can be used as a "parent" material to manufacture other two-dimensional materials, such as boron nitride, molybdenum disulfide, etc., through chemical vapor deposition, molecular beam epitaxy, and other methods.
Bioengineering field: Graphene can simulate biological systems to a certain extent, so it can be used in bioengineering, such as building artificial muscles, neurons, etc., in biomedical engineering.
Environmental management field: Graphene has a large specific surface area and adsorption capacity and can be used in water treatment and air purification fields. For example, using graphene in water treatment can remove heavy metal ions and organic pollutants.
Company Profile
Luoyang Trunnano Tech Co., Ltd is professional in cladding of metal solutions for 10 years+, which is a professional company with supply and marketing integration.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.Send us an email or click on the needed products to send an inquiry.
Payment Term
L/C, T/T, Western Union, Paypal, Credit Card etc.
Shipment Term
By sea, by air, by express, as customers request.
Storage Conditions
1) Store in a dry environment at room temperature.
2) Avoid damp and high temperature.
3) Use immediately after opening the inner packing bag.
FAQ
Q1
How to prepare graphene powder?
Answer: There are many methods for preparing graphene powder, including mechanical exfoliation method, chemical vapor deposition (CVD) method, redox method, etc. Each method has its advantages and disadvantages and is suitable for different application scenarios and needs.
Q2
Why does graphene powder easily agglomerate?
Answer: Graphene powder is prone to agglomeration during preparation and storage due to its high specific surface area and strong π-π interaction. This affects its performance and application effectiveness and therefore needs to be addressed through appropriate dispersion and stabilization techniques.
Q3
How to disperse graphene powder?
Answer: Dispersing graphene powder usually requires the use of suitable dispersants (such as surfactants or polymers) and appropriate dispersion techniques (such as ultrasonic dispersion or mechanical stirring). By optimizing the dispersion conditions, the agglomeration of graphene powder can be effectively prevented and its dispersion stability improved.
Q4
Is graphene powder harmful to the human body?
Answer: Graphene powder is relatively safe for the human body under normal circumstances, but due to its tiny particle size, it may cause irritation to the respiratory tract or skin if inhaled or exposed to large amounts. Therefore, when handling and using graphene powder, you need to wear appropriate protective equipment and follow relevant safety operating procedures.
Q5
How conductive is graphene powder?
Answer: Graphene powder has excellent electrical conductivity and extremely high electron mobility, which makes it have broad application prospects in fields such as electronic devices and energy storage. By optimizing the preparation process and doping technology, the conductive properties of graphene powder can be further improved.
Q6
How much does graphene powder cost?
Answer: The price of graphene powder varies depending on the preparation process, purity, particle size and other factors. Generally speaking, high-quality graphene powder is more expensive, but with the continuous advancement of preparation technology and the expansion of market size, its price is expected to gradually decrease.
