The manufacturing 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 its photoelectric conversion efficiency is about 12% (July 1, 2004, Japan's Sharp listing efficiency is 14.8%. The world's most efficient polysilicon solar cell). In terms of production cost, it is cheaper than monocrystalline silicon solar cells, the material is simple to manufacture, saves power consumption, and the total production cost is low, so it has been greatly developed. In addition, the life of polycrystalline silicon solar cells is also shorter than that of monocrystalline silicon solar cells. In terms of performance and price ratio, monocrystalline silicon solar cells are slightly better.
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