Influence factors of thermal damage of solar cells irradiated by CW laser

Yunpeng Li; Jianmin Zhang; Guobin Feng; Pengcheng Dou; Yubin Shi

doi:10.1117/12.2523923

29 March 2019 Influence factors of thermal damage of solar cells irradiated by CW laser

Yunpeng Li, Jianmin Zhang, Guobin Feng, Pengcheng Dou, Yubin Shi

Proceedings Volume 11046, Fifth International Symposium on Laser Interaction with Matter; 110462Q (2019) https://doi.org/10.1117/12.2523923
Event: Fifth International Symposium on Laser Interaction with Matter, 2018, Changsha, China

Abstract

The effect of single junction GaAs solar cells irradiated by 808nm, 1070nm and 10.6um CW lasers is investigated. The results show that, as long as under the same laser coupling intensity, the damage modes of solar cells under different irradiation conditions are similar. With the increase of laser coupling intensity, the maximum temperature of solar cells rises, and the maximum power of solar cells shows a ‘stair-step’ decline. The multiple irradiation experiments of triple junction GaAs solar cells by 1070nm CW laser are carried out. The results show that when the laser intensity is more than 12.8W/cm² , the performance degradation of solar cells will show a significant accumulation effect. In addition, the thermal sensitive damage factors are explored and verified. The results show that the maximum temperature and the duration of high temperature are sensitive factors for laser irradiation damage of solar cells.

Citation Download Citation

Yunpeng Li, Jianmin Zhang, Guobin Feng, Pengcheng Dou, and Yubin Shi "Influence factors of thermal damage of solar cells irradiated by CW laser", Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 110462Q (29 March 2019); https://doi.org/10.1117/12.2523923

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