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Solar Panel
Jun 01, 2018

(1) Monocrystalline solar cells 

Monocrystalline silicon solar cell photoelectric conversion efficiency of about 15%, the highest to 24%, which is the most efficient photovoltaic conversion in all kinds of solar cells, but the production cost is so large that it can not be widely used.

As the monocrystalline silicon is generally used in glass and waterproof resin for encapsulation, so its rugged, useful life generally up to 15 years, up to 25 years.

(2) polycrystalline silicon solar cells

Polycrystalline silicon solar cell production process and monocrystalline silicon solar cells, but the photoelectric conversion efficiency of polycrystalline silicon solar cells to reduce a lot, its photoelectric conversion efficiency of about 12% (July 1, 2004 Japanese Sharp listed efficiency of 14.8% of the world's most efficient polysilicon solar cells). From the production cost, than monocrystalline silicon solar cells to be cheaper, material manufacturing simple, save electricity, the total production cost is low, so get a lot of development. In addition, the life of polycrystalline silicon solar cells is also shorter than monocrystalline solar cells.

Monocrystalline solar cells are slightly better from the performance-price ratio.

(3) Amorphous silicon solar cells

Amorphous silicon solar cell is a new film-type solar cell which appeared in 1976, it is completely different from monocrystalline silicon and polycrystalline silicon solar cell, the process is greatly simplified, the silicon material consumes very little, the power consumption is lower, its main advantage is that it can generate electricity in weak light condition. But the main problem of amorphous silicon solar cell is that the photoelectric conversion efficiency is low, the international advanced level is about 10%, and it is not stable enough, and its conversion efficiency decays with the prolonging of time.