Technical Support

Introduction to the properties and applications of nano boron nitride (BN)

Boron nitride, chemical formula BN, a non-oxide material, is the isoelectronic body of carbon (C2), its crystal structure is similar to graphite, is currently one of the more studied and applied nitride ceramic materials. According to the crystal structure type, BN mainly includes hexagonal boron nitride (H-BN), cubic boron nitride (C-BN), rhombic boron nitride (R-BN), wurtzite boron nitride (W-BN). What are the properties of boron nitride? As a structural analogue of graphite, BN has better physical and chemical properties than [...]

Dysprosium oxide main applications

Dysprosium oxide white crystalline powder with strong magnetic force 12.8 times that of ferric oxide. Relative density 7.81(27/4℃), melting point 2391℃. Dysprosium salt solution, insoluble in water, soluble in acid to form corresponding acid. Easy to absorb carbon dioxide from the air, into the basic dysprosium carbonate. Obtained by burning dysprosium hydroxide, dysprosium carbonate or dysprosium nitrate at 900℃. Used in electronics, radio and nuclear industries. Dysprosium oxide is a white powder that is slightly hygroscopic and can absorb water [...]

The main application of lithium iodide trihydrate

Lithium iodide is a colorless or white cubic crystal system. Easy deliquescence. It is known to have hydrates, halohydrates LiI·1/2H2O, monohydrates LiI·H2O, dihydrates LiI·2H2O, and trihydrates LiI·3H2O. These hydrates are usually stable (the liquid phase composition is the same as the composition of the compound when dissolved, and no decomposition occurs). Commercially available products are usually trihydrate. Lithium iodide (sanshui) : hexagonal crystal system, yellow crystal. The molecular mass is 187.89. Relative density 3.48. Melting point is 73 ℃. [...]

Practical application of nano nickel oxide

1. Nano nickel oxide used in catalyst: Nano-nio (VK-N10,VK-N30,VK-N150, wan King supply) is a good catalytic oxidation catalyst, Ni2+ has a 3D orbital, has the preferred adsorption tendency of multi-electron oxygen, also has the activation effect on other reducing gases, and the O2 of reducing gases play a catalytic role, in the decomposition synthesis of organic matter, transformation process, Such as gasoline hydrogenation cracking, is the petrochemical process of hydrocarbon conversion, heavy oil hydrogenation process, nano NiO is a good [...]

How to prepare blue tungsten?

Blue tungsten refers to a class of dark blue compounds containing mixed valence states of tungsten (ⅵ) and tungsten (V). It usually forms in solution. Preparation of pure tungsten compound using ammonium paratungstate, tungsten trioxide and sodium tungstate solution as raw materials. Blue tungsten refers to a class of dark blue compounds containing mixed valence states of tungsten (ⅵ) and tungsten (V). It usually forms in solution. Tungsten blue was obtained from suspension of tungsten oxide in hydrochloric acid by [...]

Understanding, preparation and application of nanometer tungsten oxide

Tungsten trioxide, whose molecular formula is WO3 and molecular weight is 231.85. It is a kind of tungstic anhydride, tungstic acid products, tungsten oxide including tungsten trioxide and tungsten dioxide, there is no actual industrial production of tungsten dioxide products. According to the content of tungsten trioxide is divided into tungstate acid, sodium tungstate, calcium tungstate, ammonium paratungstate, ammonium metatungstate and other products. In the W-O system, there are WO3, WO 2.9, WO 2.72, WO2 and other tungsten oxides. WO3(yellow) — [...]

Application of lanthanum aluminate

Lanthanum aluminate belongs to ABO3 perovskite structure compounds, with a small dielectric constant, low dielectric loss, good lattice mismatch, thermal expansion coefficient, good chemical stability, wide energy gap, specific surface area is big, has a certain activity, good thermal stability, has been widely applied in the catalytic materials, substrate material, high temperature superconducting thin film substrate, synthesis of microwave dielectric ceramic materials, high temperature fuel cells, Microwave dielectric resonator, etc. At present, there are many methods used to prepare [...]

The role of lanthanum titanate

Photocatalytic purification technology has a unique application effect in the treatment of air and water pollution and has been used in many environmental pollution treatment processes. In the past research process, the main work is centered on the preparation and application of new high activity photocatalytic materials. After half a century of development and improvement, the current research focus is on the further industrial application of the technology. In this process, the choice of materials and the adaptability to [...]

High temperature and pressure preparation of chromium nitride

Nitrogen compounds have a wide range of applications in modern society due to their unusual and even unique properties. For example, C-BN, Si3N4 has high hardness as a cutting material, GaN is the most widely used semiconductor materials, corrosion resistant transitional metal nitride TiN, hydrogen storage material Li3N, with superconducting properties of MoN and so on… CrN is a kind of dilute magnetic semiconductor material with oxidation resistance, corrosion resistance, high hardness (HV1750), high temperature resistance (700℃) and good [...]

The role of nano-sized magnesium oxide in lithium batteries

Lithium-ion battery can be charged twice in the process of use, which belongs to a kind of secondary rechargeable battery. The main working principle is the repeated movement of lithium ions between positive and negative electrodes. No matter what the shape of the battery is, the main components are electrolyte, positive electrode piece, negative electrode piece and diaphragm. At present, the international production of lithium-ion batteries is mainly concentrated in China, Japan and South Korea, and the main lithium [...]