As the main energy source in the future, solar energy has advantages that we all see. It is safe and sanitary. Solar panels are a product that converts solar energy into electrical energy. It has been popularized in developed countries, but it is only used in some areas in my country. For example, Water heaters, solar street lights, solar power generation in Northwest China, bicycles, electric cars, etc., are mostly used in a small number of electrical appliances, and they are powered by solar panels.
The classification of solar panels is clear, and different types of use methods and processes are different. The production process of polycrystalline silicon and monocrystalline silicon cells are not much different, but the photoelectric conversion efficiency of polycrystalline silicon should be reduced a lot. The photoelectric conversion efficiency is about 12%. In terms of production cost, polycrystalline silicon is cheaper than monocrystalline silicon.
Polycrystalline silicon materials are easy to manufacture, save power consumption, and have a relatively low total production cost. Therefore, they have also developed rapidly. The service life of polycrystalline silicon is also shorter than that of monocrystalline silicon. In terms of cost performance, monocrystalline silicon solar panels are better.
Amorphous silicon is different from single crystal and polycrystalline production methods. The process is simplified, the material consumption is less, and the power consumption is lower. Its advantage is that it can generate electricity under low light conditions, but amorphous silicon also has photoelectric conversion efficiency. Low problem. And it is not stable enough.
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