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What is the difference between monocrystalline and polycrystalline solar panel?

Posted:2020/2/12 0:00:00 Tags: solar panel polycrystalline solar panel

Summary According to solar experts, the production process of single crystal and polycrystalline is different, and the composition is also different, but the finished product (solar panel) use effect is simil

According to solar experts, the production process of single crystal and polycrystalline is different, and the composition is also different, but the finished product (solar panel) use effect is similar, so the solar panel single crystal and polycrystalline have What's the difference?

The difference between the two is that the photoelectric conversion rate is different. The single crystal has always been more efficient than the polycrystalline. This is the case even in the laboratory. In addition, the material of the single crystal is better than the polycrystalline. It is not easy to be damaged during the production process. In appearance, single crystals are generally monochromatic (the conventional ones are blue and black. They are mostly blue in foreign countries, and most of the domestic surfaces are blue, but the color will become black after lamination. Polycrystalline The colors are very mixed, both monochrome blue and colored. In terms of price: single crystals are normally higher than polycrystallines (of course, this is not to say that polycrystallines are not as good as single crystals, but that polycrystalline production costs are much lower) For single crystal, and the yield of polycrystalline is much larger than single crystal)

Regardless of the single crystal or polycrystalline battery, the power cannot be seen by the eyes. The eyes can only distinguish the appearance of the battery, whether there is color difference, lack of angle, etc. The power is detected by the battery tester. Before the test, it must be calibrated by the standard film of the authoritative department (ie, the international standard test IEC61215), otherwise the test data is not accurate.

What is the difference between monocrystalline and polycrystalline solar panel?