MXene材料 Ti3C2 Nb2C MOF材料 Ti3C2 Nb2C 北科纳米

北科产品中心 products center

beike new material

position： home > Product > Nano/micron powder material and AAO template

Detailed

Product description
Nano tungsten disulfide
Product parameters
Particle size: 200nm
Purity: 99.9%
Specific surface area (m2/g): 45
Bulk density (g/cm3): 0.25
Density (g/cm3): 3.45
Crystal form: flake
Colour: Black

Product performance
Nano WS2 is a new type of solid lubricant with excellent performance. It is not only suitable for general lubrication conditions, but also for high temperature, high pressure, high vacuum, high load, radiation and corrosive medium working environment; WS2 cluster due to cluster interior The magnetic properties produced by the alignment can be better adsorbed on the metal surface during the lubrication process and can form a nano-protective lubricating film on the metal surface; WS2 has a very small coefficient of friction (about 0.03), which can be used as an additive in the metal powder. It is incorporated to improve the adhesion of metal powder under high-speed friction conditions and to obtain a stable friction factor. Nano-sized WS2 has good oxidation resistance and can be added as an additive to lubricating oil (fat), which can effectively improve Extreme pressure performance and anti-wear and anti-friction performance of lubricating oil (fat); adding nano-scale WS2 during casting can make casting metal have certain self-lubricating properties, excellent adsorption capacity on metal surface, and oil The grease is formulated into a tungsten disulfide oil, a tungsten disulfide grease, a tungsten disulfide wax and other solid lubricating blocks and a lubricating film.

Application direction
1. Nano WS2 is mainly used as a petroleum catalyst: it can be used as a hydrodesulfurization catalyst, and is also used as a catalyst for processes such as polymerization, reforming, hydration, dehydration and hydroxylation, and because of its good cracking performance, the catalytic activity is stable and reliable. Long service life, etc., very popular with oil refineries;
2. In the preparation technology of inorganic functional materials, nano-WS2 is a new type of high-efficiency catalyst. Due to the formation of a novel compound with sandwich structure, nano-WS2 can be made into a single-molecule two-dimensional material and can be re-stacked as needed. The granular material of the "floor structure" of the inner space, and the intercalation material can be added during the re-stacking process to make it a catalyst or a sensitive display and superconducting material, and its huge internal surface area is easy to contain an accelerating agent. As a new type of high-efficiency catalyst, the Nagoya Industrial Research Institute of Japan found that nano-WS2 has a great catalytic effect in the conversion of CO2 to CO, which will promote the development of carbon cycle technology and pave the way for improving the trend of global warming;
3.WS2 can be used as solid lubricant, dry film lubricant and self-lubricating composite material: Nano WS2 is the best solid lubricant with friction coefficient of 0.01-0.03, compressive strength up to 2100 MPa, and acid and alkali corrosion resistance. Good load resistance, non-toxic and harmless, wide temperature, long lubrication life and low friction factor. In recent years, the ultra-low friction and wear of solid lubricant hollow fullerene nano-WS2 has attracted much attention. For example, in the 1980s, the United States used nano-WS2 particles to spray on metal surfaces to form WS2 lubricating dry film. Greatly reduce the friction factor and improve the life of the mold;
4. Nano WS2 is a very important additive for the manufacture of high performance lubricants. It has been found that adding proper amount of WS2 nanoparticles to the lubricating oil can greatly improve the lubricating performance of the lubricating oil, reduce the friction factor by 20% to 50%, and increase the oil film strength by 30% to 40%. The lubricating performance is much better than that of the nano MoS2. . Under the same conditions, the lubricating properties of the nano-WS2 base oil added were significantly better than those of the base oil added with conventional particles, and had good dispersion stability. The results show that the lubricant added with nanoparticles combines the advantages of fluid lubrication and solid lubrication, which is expected to achieve full lubrication from room temperature to high temperature (over 800 ° C). Therefore, nano-WS2 can be used as an additive to synthesize a new lubrication system with broad application prospects;
5. It can also be used as an anode of a fuel cell, an anode of an organic electrolyte rechargeable battery, an anode oxidized by sulfur dioxide in a strong acid, and an anode of a sensor;
6. Used to make nano ceramic composite materials;
7. It is a good semiconductor material.