Summary At present, crystalline silicon materials (including polycrystalline silicon and single crystal silicon) are the most important photovoltaic materials, and their market share is more than 90%, and the
At present, crystalline silicon materials (including polycrystalline silicon and single crystal silicon) are the most important photovoltaic materials, and their market share is more than 90%, and they will remain the mainstream materials for solar cells for a long time to come. So what material is used for solar panel, and its conversion efficiency is high?
Undoubtedly, among the silicon series solar cells, monocrystalline silicon solar cells have the highest conversion rate and the most mature technology. The high-performance single-crystal silicon battery is based on high-quality single-crystal silicon materials and related thermal processing processes.
Nowadays, the electric ground technology of single crystal silicon has become more and more mature, because in the previous production of batteries, various technologies such as surface texturing, passivation of passivation regions, and partition doping were generally used. The batteries are mainly flat monocrystalline silicon cells and grooved buried gate electrodes.
At present, the conversion efficiency of large-area (225cm2) single-crystal solar cells prepared by Kyocera company can reach 19.44%, and the conversion efficiency of planar high-efficiency single-crystal silicon cells (2cm x 2cm) is 19.79%, and the trench buried gate The conversion efficiency of electrode crystalline silicon battery (5cm X 5cm) can reach 8.6%.
Therefore, in general, the conversion efficiency of monocrystalline silicon solar panel is naturally the highest, which also makes it occupy a very important position in large-scale applications and industrial production.
