1. Preparation method: The preparation of metallic silicon powder is mainly completed through smelting, crushing and refining. First, silicon is extracted from silicon ore, and then metallic silicon is obtained through high-temperature smelting. Next, the metallic silicon is mechanically crushed, and finally fine metallic silicon powder is obtained through a refining process.
2. Physical and chemical properties: Metal silicon powder has good electrical conductivity, thermal conductivity and chemical stability. Its fine particle structure allows metallic silicon powder to exhibit unique properties in certain applications.
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3. Application fields: Metallic silicon powder is widely used in the electronics industry, solar cell manufacturing, metallurgy, chemical industry and other fields. In the electronics industry, metallic silicon powder is used as a semiconductor material to manufacture integrated circuits and electronic devices. In solar cell manufacturing, metallic silicon powder is a key raw material for preparing polycrystalline silicon wafers. In addition, metallic silicon powder can also be used in many industrial processes such as alloy preparation and catalyst production.
4. Environmental considerations: The waste generated during the preparation of metallic silicon powder can be recycled and reused to reduce the impact on the environment. At the same time, metal silicon powder causes relatively little environmental pollution during the application process, which meets the environmental protection requirements of modern industry.
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5. Development trend: With the continuous advancement of science and technology, the preparation process and application fields of metallic silicon powder are also constantly innovating. In the future, metallic silicon powder is expected to play a more important role in new energy, electronic materials and other fields.
