What is Nano Silicon Powder?

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Introduction to Nano Silicon Powder
Silica Si powder (smoky grey superfine powder) is a smoky, grey superfine powder. The color of silica Si powder will vary in shade depending upon how much carbon it has. Silica powder’s whiteness is between 40-50. It has a bulk density around 200kg/m3, and a true density of 2.2g/cm3.

Nano silicon powder

This refers to crystalline silica particles less than 5 Nanometers in diameter (billionths and a meter).

Nano Silicon Powder has Physicochemical Property

Nano silicon powder

This product has high purity, small particle sizes, uniform distribution, large specific area, high surface activity and low loose densities. It is tasteless and non-toxic.

Nano silicon powder

A new generation of photoelectric materials has a wider gap semiconductor and is also a high power light source material.

Nano Silicon Powder Properties
Other Names Silicon Nanoparticles, Silicon Nanopowder, nanosilicon,
CAS No. 7440-21-3
Formula compound Si
Molecular Weight 28.08
Appearance Yellow Brown Powder
Melting Point 2900 degC
Boiling Point N/A
Density 2330g/cm3
Solubility of H2O N/A
Exact Mass N/A

Silicon Nanoparticles Nano Si Powder CAS 7440-21-3

Nano Silicon Powder preparation

There are three methods of preparing the ingredients.

nano silicon powder

Mechanical ball milling, chemical and vapor deposition, as well as plasma evaporation, condensation. The industrial production of silicon powder in the western world began earlier. There are specialized silicon products companies such as Chemicalbook of Japan and DuPont of USA, H.C.Stark of Germany, Tekner of Canada and Chemicalbook of Japan. The company can use plasma evaporation, condensation and other methods to make high-quality nano silicon powder in different sizes. It is the most advanced production technology in the world.

Nano Silicon Powder: Applications

1. Can be used to produce nano silicon wire for rechargeable lithium-carbon anode materials or nano spherical silicone powder surfaces coated with graphite. It can enhance the rechargeable battery’s electric capacity and charge-discharge cycle times by more than three times.

2. Can be used in high-temperature resistant coatings and other refractory materials. It reacts with organic matter as the raw material in organic silicon polymer substances.

3. The coating can be applied to form nano silicon particle films, which are widely used in solar power.

4. Mixing nano-spherical diamond powder and silicon under high pressure creates nano-sic – diamond composite materials. These materials can be used for cutting to increase strength and toughness.

5. Nano-silicon is a nano-silicon anode material for lithium ion batteries. It has a theoretically high specific capacity (4200mAh/g), which makes it much more efficient than carbon material.

6. The silicon nanoparticle substrate was used to design more than ten types silicon nanoparticle/siliconoxid nanostructures. These nanostructures achieved photoluminescence in major band from near ultraviolet to near-infrared as well as low threshold voltage electroluminescence. Forward or reverse bias was applied.

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