Silicon powder is widely used in the production of semiconductors and solar cells due to its excellent semiconductor properties. It serves as a key raw material in the electronics industry for manufacturing silicon wafers, which are essential components in integrated circuits and microchips.

In metallurgy, silicon powder is used as an alloying agent in the production of aluminum, iron, and copper alloys to improve strength, hardness, and corrosion resistance. It is also used in the synthesis of silicon carbide and other silicon-based ceramics used in high-temperature and wear-resistant applications.

In the chemical industry, silicon powder acts as a reducing agent in the production of other elemental silicon compounds and is involved in the manufacture of silicones and silanes.

Additionally, silicon powder is used in lithium-ion batteries as an anode material because of its high theoretical capacity for lithium storage, making it a promising candidate for next-generation battery technologies.

It also finds use in 3D printing and additive manufacturing, especially in processes involving metal or ceramic powders, where it contributes to the formation of complex, high-performance components.