COMPARISON OF ACIDIC AND ALKALINE TEXTURED MULTICRYSTALLINE SOLAR CELLS IN A SOLAR PANEL PRODUCTION

摘要

Most crystalline silicon solar modules manufactured today contain acidic textured multicrystalline solar cells which usually have higher cell efficiencies when measured without encapsulation compared to alkaline textured solar cells. However an optimization of the cell efficiency under STC does not necessarily result in efficiency advantages when encapsulated in panels. The aim of this work is to compare the two texturisations with regard to the final power output in the panel and in the field. Therefore, 30000 acidic and alkaline textured cells coming from the same wafer batch and utilizing same production parameters are processed to solar panels. A small outdoor field is equipped with both texturisations. The output STC-power is contrasted with the input STC-power. Moreover, energy yield, reliability as well as breakage rates are compared.