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What is a monocrystalline silicon solar panel?

   Release date: 2020-07-31     Hits: 47     Comment: 0    
Note: At present, crystalline silicon materials include polycrystalline silicon and monocrystalline silicon. They are the most important photovoltaic materials, and their market share is more than 90%. Crys

At present, crystalline silicon materials include polycrystalline silicon and monocrystalline silicon. They are the most important photovoltaic materials, and their market share is more than 90%. Crystalline silicon is still the mainstream material of solar cells for a long time in the future.

The production technology of polysilicon materials has a long history. It is in the hands of 10 factories of 7 companies in the United States, Japan and Germany, forming a situation of technological blockade and market monopoly. Since many Chinese companies began to produce polysilicon materials, the cost has been greatly reduced, and many cheap solar products have entered ordinary people's homes.

The demand for polysilicon mainly comes from semiconductors and solar cells. According to different purity requirements, it can be divided into electronic grade and solar grade. Among them, electronic grade polysilicon accounts for 55% and solar grade polysilicon accounts for 45%. With the rapid development of photovoltaic industry, the growth rate of solar cell demand for polysilicon is higher than that of semiconductor polysilicon. Nowadays, the annual demand of solar polysilicon will exceed that of electronic grade polysilicon.

Single crystal solar panel is a kind of assembly which is composed of several single crystal silicon solar cells in a certain way. The photoelectric conversion efficiency of monocrystalline silicon solar cells is about 15%, the highest is 24%, which is the highest among all kinds of solar cells, but the production cost is so high that it can not be widely and widely used for a long time. As the monocrystalline silicon is generally packaged with toughened glass and waterproof resin, its service life is generally up to 15 years, up to 25 years. It is mainly used in the production of high-quality solar lamps, and the conversion efficiency of charging is higher than that of polycrystalline solar panels. In recent years, with a large number of Chinese companies starting to manufacture monocrystalline silicon solar panels, the cost has dropped sharply. Monocrystalline silicon solar panels have also been widely used.

"Many powerful companies monopolize technology and market for a long time. In order to maintain high profits, the cost of some products remains high, and many consumers are not connected with solar products. In recent years, the involvement of many Chinese companies has led to a decline in the cost of monocrystalline silicon solar panels. only gmtlight and other solar products manufacturers can use cheap solar panels and innovate a series of practical products containing monocrystalline silicon elements. Therefore, the company's expectation of rapid application of products in China is low. " Mr. Niu, gmtlight, solar energy division.


 
 
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