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    2022-11-23

    What are the ways to improve the service life of graphite molds?

    Graphite molds should be produced and processed by cutting methods to improve the smoothness of the graphite mold surface and reduce the degree of adhesion between the molten metal and high-purity graphite. The composition of the carcass powder is one of the factors that cause the metal plastic film to stick to the high-purity graphite. Because iron is a strong carburizing agent, if the carcass is iron-based, there will be obvious reaction and melting between the carcass and the abrasive tool, causing the carcass melt to stick to the high-purity graphite and destroying the graphite mold. It is suggested that when calcining the iron-based carcass, a strong release agent should be brushed on the surface of the blade and the abrasive tool to reduce the adhesion of the abrasive tool during mold unloading, reduce the degree of damage, and increase the service life of the abrasive tool.2. The fracturing damage of the grinding tool is also related to the resistance of the graphite materia
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    2023-07-10

    Expansion graphite, a new multifunctional insulation material

    Expansion graphite is a kind of graphite that can expand and shrink in high temperature environments. This material has very special physical and chemical properties. Graphite is a kind of carbon, and its structure is connected by hexagonal carbon atoms. Generally, graphite can be completely melted, but at high temperature, due to the enhancement of the interaction between carbon atoms, graphite can form more stable stability The structure of the expansion is achieved.1. The development of expansion graphiteThe development of expansion graphite dates back to the 1960s. At that time, scientists discovered that graphite can be deformed regularly within a certain temperature range, and the translucent graphite can remain stable. Subsequently, scientists also found that under certain conditions, graphite at high temperature can be used to create a variety of structures, and these structures can be used to support greater weight and develop the technology of expanding graphite.Second, the

    2023-07-10

    The characteristics of exploring expansion graphite

    1. Excellent electrical performanceExpansion graphite has excellent electrical performance, which can resist the function of discharge, flame retardant, waterproof, corrosion resistance, etc., and has excellent insulation performance, making the power system operate more safe and reliable.2. Fire performanceThe expansion graphite has good flame retardability, can effectively prevent the cable and contactor from igniting, prevent the heat of the cable, and make the power system operate more safe and reliable.3. Corrosion resistanceExpansion graphite has a good corrosion resistance, can effectively resist the erosion of various corrosive agents, protect the power equipment from environmental infringement, and make the power system operation more safe and reliable.4. Seismic performanceExpanding graphite has good seismic resistance, can effectively reduce the damage to seismic resistance and ensure the safe operation of power equipment.Expansion graphite is a new multifunctional insulati

    2023-07-07

    How to use expansion graphite

    1. Protective useExpansion graphite can be used as protective materials, which can be used to protect metal and other damaged objects, such as circuit boards and steel. Because expansion graphite can expand 10 times, it can effectively block the flames and make these objects from burning with flames.2. InsulationExpansion graphite can also be used as insulation materials, because it has good thermal resistance and can effectively block heat, so it can be used for insulation, such as electronic products. It can also be used for cooling, preventing the loss of heat, thereby playing the role of heat preservation.3. Filtering useExpansion graphite can also be used as filtering materials, because it has adsorption and can be used to adsorb toxic substances, such as pollutants used in water treatment, which can effectively remove pollutants in water. It can also be used for air purification to block the entry of harmful substances.4. Reinforcement useExpansion graphite can also be used as r

    2023-07-07

    The development and application of battery materials

    1. Lithium -ion battery materialLithium ion batteries are currently widely used batteries. The positive electrode materials of lithium -ion batteries are usually lithium iron phosphate, lithium manganate, etc., while the negative electrode materials are graphite or silicon -based materials. In recent years, new silicon/graphite composite materials have gradually been applied.2. Calcium ion battery materialCalcium ion batteries have the advantages of low cost and high energy density, and have been studied in recent years. Among them, ingredients, calcium sulfide and other materials are considered to have potential electrode materials that have potential to become calcium ion batteries.3. Fuel cell materialThe fuel cell material refers to the electrodes, electrolytes, catalysts and other materials used to manufacture fuel cells. The important one is the catalyst. In recent years, precious metals have developed rapidly.4. ion ion battery material ion battery is a high -power, long -life

    2023-07-06

    Battery material, promote renewable energy development

    In recent years, with the increasingly serious problems of environmental pollution and energy shortage, renewable energy as a clean, low -carbon, and sustainable development model has gradually been given important strategic significance. Among the applications of renewable energy, batteries as energy storage equipment are also an indispensable part of them. In order to further promote the development of renewable energy, we need to continuously explore new battery materials to improve the power density, cycle life and security of the battery.At present, researchers have proposed many new battery materials, such as lithium ion batteries, sodium ion batteries, zinc air batteries, etc. These battery materials can better meet the needs of energy storage and utilization compared to traditional lead -acid batteries, nickel -metal hydride batteries. Moreover, in the production process, the energy and materials they consume are also greatly reduced, which is more in line with the requirement

    2023-07-05

    The research progress of battery material, new battery material

    As the core component of new energy vehicles, the performance and stability directly affect the use of the vehicle. Therefore, the development of more secure and environmentally friendly battery materials has become an important research direction for the new energy vehicle industry. The battery is a wide range of energy sources, and now it has become one of the infrastructure of modern life. Compared with traditional batteries, modern batteries have better performance, longer life and smaller size. However, the improvement of this performance is inseparable from the progress of battery materials.1. Research on sodium ion battery materialThe sodium ion battery has become a new type of battery due to rich resources and low cost. The electrode material of the sodium ion battery is similar to the lithium battery, but the ion radius of the sodium ion battery is greater than lithium, which causes the transmission performance of the charge in the material to be greatly reduced. Therefore, t

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