Performance and application of nano silicon powder


Jun 29, 2023

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The main features of nano-silver Si Powder A variable current laser beam gas phase technique is used to prepare nano-silicon powder. The product exhibits high purity, excellent dispersion properties, small particles, uniform distribution and large specific surfaces. It also has a low bulk density with good activity. Nano silicon powder is a compound that can be made with graphite and carbon nanotubes. For lithium-ion cells, a nanosilicon-carbon anode can be formed. It increases the capacity of the batteries as well as the cycle times. This is a new generation optoelectronic material with a wide gap energy.

Nano silicon Si Powder Application
1. Use graphite to cover the surface of the nano spherical powder in order to produce silicon carbon materials for lithium rechargeable batteries. This will improve the rechargeable batteries’ electric capacity by 3 times and their number of charging and discharging cycles by 2 times.
2. It is used as a raw material for organic silicon polymer and in coatings that are resistant to high temperatures.
3. Nanosilicon powder is applied to coatings in order to form a thin, film-like layer of nanosilicon particles. This technology is used widely for solar energy.
4. The nano-silicon carbide-diamond composite is formed by mixing silicon powder with diamond under high pressure. It can be used as a tool for strength and toughness.
5. The theoretical specific capacity of nano-silicon for lithium-ion batteries is 4200mAh/g, which is higher than the carbon material.
6. Ten types of nano-silicon particle/silicon dioxide nano-structures on the nanosilicon substrate are designed, which achieves photoluminescence under forward bias or reverse bias in the main wavebands from near ultraviolet to near infrared. Photoluminescence, electroluminescence, and Luminescence models are proposed to lay the groundwork for the realisation of silicon-based integrated optoelectronics.
Processing characteristics of nanosilica powder
Tongrun Information Technology Co., Ltd. manufactures nano-silicon powder products using the laser gas phase chemical plasma method. The product obtained this way has uniform silicon particles, high purity and low impurity, as well as good batch stability.
At the moment, most of nano-silicon powders used in silicon anode materials are produced by ball milling and grinding with a Sand Mill. The output from a single mill is very low, the batch stabilty is difficult to control, and it is a complicated process that requires grinding and drying. Grading, Agglomeration, as well as other steps, are performed, but batch stability can’t be guaranteed. The sanding procedure is complex and involves a large amount of equipment and machinery. The production line is out of order and the investment required is huge.

Suggested ratio :
1. Tongrun Information Technology Co. Ltd. recommends adding about 5% nano silicon powder to the lithium battery.
2. Tongrun Information Technology Co. Ltd. recommends adding about 8% nano-silicone powder to lithium batteries with a capacity of 550.
3. Tongrun Information Technology Co. Ltd. recommends adding about 10% of the nano silicon powder to lithium batteries with a capacity of 650.
4. Tongrun Information Technology Co. Ltd. offers a nano silicon powder that can be added to lithium batteries.
5. Tongrun Information Technology Co. Ltd. offers a nano silicon powder that can be added to the lithium battery.

Packaging and Storage
This product should be kept in a cool and dry environment. It is packaged in anti-static inert gas packaging. It shouldn’t be exposed to the atmosphere for a prolonged period of time. Moisture can cause agglomeration, which can affect the use and dispersion effect.

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