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The difference between industrial grade lithium carbonate and battery grade lithium carbonate

Compared with industrial grade, battery grade lithium carbonate has high purity, few impurities and good performance. Lithium carbonate is an inorganic compound. It is colorless monoclinic crystal or white powder. Its chemical formula is Li2CO3. Soluble in dilute acid, slightly soluble in water, greater solubility in cold water than in hot water. Insoluble in alcohol and acetone. Density 2.11g/cm3, melting point 723℃. Can be used to make ceramic, medicine, catalyst, commonly used lithium ion battery materials. Compounds, lithium metals and isotopes [...]

Properties of nano-aluminum nitride filled ptfe composites

Nano aluminum nitride powder has high specific surface area, high hardness, high thermal conductivity, high insulation and other characteristics, belongs to diamond-like nitride, can be stable to 2200℃, high strength at room temperature, good compatibility with the matrix interface, can improve the thermal conductivity and dielectric properties, mechanical properties and wear resistance of the composite. PTFE, commonly known as “plastic king”, has a linear molecular chain structure and is a non-polar polymer, with good chemical corrosion resistance, high and low [...]

Application of nanometer silicon carbide powder in catalyst and capacitor

Due to its large specific surface area, suitable band gap (2.39-3.33ev) and excellent thermodynamic and chemical stability, nanometer silicon carbide powder has a wide range of applications in photocatalysis and electrocatalysis. On the other hand, due to its stable chemical properties, nano-sic nanomaterials can also be used as catalyst carriers and supported metal nanoparticles for multiphase catalysis and fuel cell catalysis. It is reported that the nanocrystalline nanocrystalline nanocrystalline betac-sic wires are coated on the surface of amorphous nanocrystalline [...]

Preparation method of nano silicon carbide infrared radiation coating

2.2.1.1 ingredients Powder radiation mixture: Based on the weight content of (D50 = 40nm, beta phase) nanometer silicon carbide powder raw material, Nano silicon carbide (SiC) powder raw material weight of 40 and 80, zirconia (ZrO2) powder raw material 5 ~ 30 weight, chrome oxide (Cr2O3) 5 ~ 10 weight, iron oxide powders (Fe2O3) powder materials 0 to 20 weight, nickel oxide (NiO) powder raw material weight of 0 ~ 10 copies, 1 ~ 10 weight of bentonite powder raw [...]

Characteristics and application of barium titanate ceramics

Barium titanate ceramics are ceramic materials with barium titanate (BaTiO3) or its solid solution as the main crystal phase. The main raw materials are barium carbonate and titanium dioxide. Generally, barium titanate is synthesized at 1200℃ first, and then modified oxide is added. After fine grinding, it is sintered at 1400℃ or so. Used as dielectric material of capacitor and make many kinds of piezoelectric devices Barium titanate ceramics are ceramics with barium titanate or its solid solution as the [...]

Types and applications of new ceramic materials

Several new ceramic materials are mainly introduced. 1. Engineering ceramics Engineering ceramics, it is mainly used in high temperature, also known as high temperature structural ceramics. This kind of ceramic takes alumina as the main raw material, which has the advantages of high strength, high hardness, high oxidation resistance, corrosion resistance, wear resistance, ablative resistance and so on under high temperature. It can withstand the high temperature of 1980℃ in the air. It is an important material in space technology, military [...]

There are seven requirements for an ideal anode material

The ideal anode material must have the following seven conditions: low chemical potential, and the anode material to form a large potential difference, so as to obtain a high power battery; High cycle capacity should be available; In the anode material, Li+ should be easy to be embedded and detached, with higher coulombic efficiency, so that the charging and discharging voltage can be relatively stable in the process of Li+ removal. Good electronic and ionic conductivity; Good stability, electrolyte [...]

Key technologies and core materials of OLED

Born for the future, OLED leads the innovation of terminal ID OLED was first discovered in the lab by chinese-american professor deng qingyun. The principle is to make a current pass through special organic luminescent materials, and under the action of an electric field, stimulate the organic materials to make them glow. It’s a process that converts electrical energy into light energy. OLED is the basic structure of the layer of organic material to clamp on indium tin oxide (ITO) as [...]

New method for processing nanomaterials

Engineers at Rutgers University and Oregon State University are developing a new approach to nanomaterials that makes it possible to manufacture flexible thin-film devices from touchscreens to window coatings faster and cheaper. This method, known as “strong pulsed light sintering,” fuses nanomaterials in seconds with high energy rays that are nearly 7,000 times larger than lasers. Existing pulsed light fusion methods incorporate silver nanospheres into a conductive structure using a temperature of approximately 250 degrees Celsius (482 degrees Fahrenheit). But the [...]

Agglomeration and dispersion of nano powders

At present, all kinds of nanometer powders can be easily prepared, but the agglomeration of nanometer powders seriously hinders the application of nanometer powders and the preparation of nanometer materials. For nanomaterials with self-assembled structure, the designed structure cannot be obtained due to the agglomeration problem. For nanocrystalline materials, the agglomeration will cause the abnormal growth of particles and lead to the degradation of properties. For the occasions where nanometer luminescence and nanometer catalysis are used directly, the agglomeration [...]