What are the characteristics of solar panel monocrystalline or polycrystalline?

Everyone knows that solar panels are divided into monocrystalline, polycrystalline and amorphous silicon. Now most solar panels are mainly made of monocrystalline and polycrystalline materials. So is the solar panel better monocrystalline or polycrystalline?
The difference between single crystal plate material and polycrystalline plate material
Polycrystalline silicon and monocrystalline silicon are two different substances, polycrystalline silicon is a chemical term commonly known as glass, high-purity polycrystalline silicon material is high-purity glass, monocrystalline silicon is the raw material for making solar photovoltaic cells, and also the material for making semiconductor chips. The raw materials of silicon ore for producing monocrystalline silicon are scarce and the production process is complicated, so the output is low and the price is high.

in conclusion:

Monocrystalline solar panel: no pattern, dark blue, close to black after encapsulation.

Polycrystalline solar panels: There are patterns, polycrystalline colorful and polycrystalline less colored, like snowflake crystal patterns on snowflake iron, light blue.

Amorphous solar panels: mostly glass, brownish brown
1. Material characteristics of single crystal plate
Monocrystalline silicon solar cell is a type of solar cell that is being developed rapidly at present. Its composition and production process have been finalized, and its products have been widely used in space and ground facilities. This solar cell uses high-purity single-crystal silicon rods as raw materials, and the purity is required to be 99.999%. The photoelectric conversion efficiency of monocrystalline silicon solar cells is about 15%, and the highest is 24%, which is the highest photoelectric conversion efficiency among the current types of solar cells, but the production cost is very high, so that it cannot be widely used and widely used. used. Since monocrystalline silicon is generally encapsulated with tempered glass and waterproof resin, it is strong and durable, with a service life of generally 15 years and a maximum of 25 years.

2. Polycrystalline board material characteristics
The production process of polycrystalline silicon solar cells is similar to that of monocrystalline silicon solar cells, but the photoelectric conversion efficiency of polycrystalline silicon solar cells is much lower, and the photoelectric conversion efficiency is about 12%. In terms of production cost, it is slightly more expensive than monocrystalline silicon solar cells, the material is simple to manufacture, power consumption is saved, and the total production cost is lower, so it has been greatly developed. In addition, the service life of polycrystalline silicon solar cells is also shorter than that of monocrystalline silicon solar cells. In terms of cost performance, monocrystalline silicon solar cells are slightly better.

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