05 Sep 2017
13:45 - 14:15
PERC Solar Cells Development and Manufacturing
Recently the standard Al back surface field (BSF) p-type mono crystalline silicon solar cells are significantly replaced by the passivated emitter rear contact (PERC) solar cells in large volume. PERC solar cell appears successfully migrating from laboratory development to large volume manufacturing. The story is unfolded with solutions of passivated-layer equipments for the mass production, light induced degradation, and p-type wafer quality. We also successfully applied PERC structure to the mc-Si solar cells and achieved a record 21.6% cell efficiency. At mass production, the average solar cell efficiency is over 21%. The average module wattage of 60-cell (6”) achieves over 300W.