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An important raw material in the new energy era: metal silicon

Views: 0     Author: Site Editor     Publish Time: 2023-07-07      Origin: Site


    silicon is widely distributed in nature, generally rarely in the form of elemental, mainly in the form of silica and silicate, the crust contains about 27.6%, is the second most abundant element in the crust after oxygen. Mainly used to produce high-purity semiconductors, high temperature resistant materials, optical fiber communication materials, silicone compounds, alloys, etc., are widely used in aerospace, electronics and electrical, construction, transportation, energy, chemical, textile, food, light industry, medical, agriculture and other industries.

    Industrial silicon, also known as quasi-metallic silicon, is a trade name that appeared in the mid-1960s. Industrial silicon is purified by a series of processes to produce polysilicon and monocrystalline silicon, which are used in photovoltaic industry and electronics industry. Crystalline silicon cells are mainly used in solar rooftop power stations, commercial power stations and urban power stations with high land costs, and are currently the most mature and widely used solar photovoltaic products, accounting for more than 80% of the world photovoltaic market, and its demand for metal silicon is growing significantly. Modern large-scale integrated circuits are almost all made of high-purity quasi-metallic silicon, and high-purity quasi-metallic silicon is the main raw material for the production of optical fiber, it can be said that quasi-metallic silicon has become the basic pillar industry of the information age.

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