Title :
Outdoor exposure performance and degradation comparison on different modules fabricated by multicrystalline, monocrstalline and quasi-mono cells
Author :
Shi-Kai Tzeng ; Chen-Hao Yang ; Wen-Pin Chen ; Chih-Hsyong Wu ; Her-Chang Ay
Author_Institution :
Motech Ind., Inc., Tainan, Taiwan
Abstract :
In this article, the performances of 60-cell module fabricated by Czochralski-silicon (Cz-Si), multicrytalline silicon (mc-Si) and quasi-mono silicon (QM-Si) solar cells were measured based on the CTM power losses and LID effects, besides, the influence of busbar (BB) number on the performance is also estimated. According to the experimental results, module fabricated by mc-Si cells revealed a CTM power loss ~2.33%. LID performances were estimated under outdoor exposure with accumulative total in 60 kWh/cm2, the mc-Si and QM-Si modules show smaller power degradation than Cz-Si due to the lower oxygen concentration residual in mc-Si and QM-Si wafer. These results can be used as a rational for design low-power-loss modules.
Keywords :
crystal growth from melt; elemental semiconductors; semiconductor growth; silicon; solar cells; CTM power losses; LID effects; QM-Si module; Si; busbar; mc-Si module; module fabrication; monocrstalline solar cells; multicrystalline solar cell; outdoor exposure performance; power loss module design; quasi-mono solar cells; Degradation; Encapsulation; Loss measurement; Optical losses; Photovoltaic cells; Silicon; Cz-Si; cell-to-module power loss; light-induced degradation; mc-Si; quasi-mono Si;
Conference_Titel :
Photovoltaic Specialists Conference (PVSC), 2013 IEEE 39th
Conference_Location :
Tampa, FL
DOI :
10.1109/PVSC.2013.6745100
