Technical Support

25 3月

Vanadium dioxide VO2 powder technology and research status

The intelligent temperature control coating is a coating that transmits infrared light at low temperatures and reflects infrared light at high temperatures. The research status of VO2 and its doped powder and the intelligent temperature control coating based on VO2 powder are introduced. Proposed its future development trend. Key words: VO2 powder; phase change performance; intelligent temperature control coating When the sun shines on the surface of the object, the object mainly absorbs the near-infrared light energy to increase its surface [...]

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10 1月

Method for the preparation of strontium titanate

Research progress of preparation methods of strontium titanate at present, the main preparation methods of strontium titanate are sol thermal method. Sol-sol-whether in metallic materials, or in organic and inorganic non-metallic materials, adding appropriate amount of strontium and its compounds can change some of its properties and even make it have special functions, so it has the name of metal monosodium glutamate. Strontium titanate (SrT iO 3) is one of the important strontium compounds. Strontium titanate has the advantages [...]

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22 10月

Industrial grade lithium carbonate, salt lake purification method

Lithium carbonate, an inorganic compound whose chemical formula is Li2CO3, is a colorless monoclinic crystal or white powder. The density of 2.11 g/cm3. Melting point 618 ℃ (1.013 * 10 ^ 5 pa). Dissolved in dilute acid. Slightly soluble in water, solubility in cold water is greater than under hot water. Insoluble in alcohol and acetone. Can be used to produce ceramics, drugs, catalysts, etc. Common lithium ion battery material. There are several methods to extract lithium from salt lake [...]

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15 10月

Detailed comparison of lithium titanate and other lithium battery materials

As far as the development status of new energy vehicles in China is concerned, there are various kinds of batteries, including lithium iron phosphate battery, lithium ternary material battery, lithium cobalt acid, manganese acid lithium and lithium titanate battery. In these five major battery forms, the most concerned indicators in the market focus on four aspects: safety, cycle life, wide temperature tolerance, rapid charging and discharging, which actually corresponds to the core interests of users: safety red line, operation [...]

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11 9月

The main application range of potassium titanate

Potassium titanate is a chemical component that can be widely used in low-hydrogen electrodes, cross-flow electrodes and stainless steel electrodes; Potassium titanate has superior properties to glass fiber and graphite fiber, and its application range has been continuously expanded since it was promoted to the public for more than a decade. As an emerging alternative to metals, it can produce smaller and lighter parts than traditional mechanical metals, meeting the needs of today’s times, and can also be used to [...]

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26 10月

The study found that vanadium dioxide ultra low thermal conductivity, “break” the laws of physics

Recently, a scientific study led by Wu Junqiao of the American Chinese Science Prize found that vanadium dioxide material in the conductive, the heat generated is very small, much lower than the Weidmann – Franz law is expected to break the classic laws of physics. The scientific discovery, published in the January 27 issue of Science, will bring a wider range of applications, such as a thermoelectric system that converts waste heat from engines and equipment into electrical energy. Weidman [...]

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14 9月

Research status of strontium titanate

Currently, various electronic instruments, home audio and video equipment and microcomputer, etc., in order to prevent the equipment from the external power supply cord, transmission of noise and signal lines or air surge voltage, as well as the human body electrostatic factors lead to wrong operation or semiconductor devices are broken down, is the use of ZnO varistor for protection. However ZnO varistor is purely resistive element, although has good pressure sensitive features, but because of the small dielectric constant, [...]

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05 9月

Preparation and properties of lanthanum zirconate and thermal barrier coatings

Thermal barrier coating is the most advanced high temperature alloy surface protective coating technology. It is widely used in aviation, aerospace, automobile and large thermal power generation industries. Especially with the gas turbine/aircraft engine towards the direction of high efficient development, on the performance of the ceramic material demand is higher and higher, traditional Y2O3 stable ZrO2 (YSZ) material is hard to meet the demand of high performance, study can replace YSZ used in high temperature thermal barrier coating [...]

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04 9月

Material Properties and Application of Gallium Nitride

Material properties GaN is a very stable compound, but also a hard high melting point material, the melting point of about 1700 ℃, GaN has a high degree of ionization, in the Ⅲ-Ⅴ compounds is the highest (0.5 or 0.43). At atmospheric pressure, GaN crystals are generally hexagonal wurtzite structures. It has 4 atoms in a cell, and the atomic volume is about half that of GaAs. Because of its high hardness, but also a good coating protection materials. Chemical properties At [...]

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