Polycrystalline silicon solar energy cell, low cost, the highest conversion efficiency is 18% in the lab, is 12% in the industrial production.
多晶硅太阳能电池，成本低廉，其实验室最高转换效率为18%，工业规模生产的转换效率为12%。
3
The cost of crystalline silicon and polycrystalline silicon solar cell is high steadily, amorphous silicon and amorphous silicon thin film solar cell has "optical-induced degradation".