Performance degradation due to outdoor exposure and seasonal variation in amorphous silicon photovoltaic modules

被引：18

作者：

Choi, Sungwoo ^{[1
]}

Ishii, Tetsuyuki ^{[2
]}

Sato, Ritsuko ^{[1
]}

Chiba, Yasuo ^{[1
]}

Masuda, Atsushi ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Res Ctr Photovolta, Tosu, Saga 8410052, Japan

[2] CRIEPI, Mat Sci Res Lab, Yokosuka, Kanagawa 2400196, Japan

来源：

THIN SOLID FILMS | 2018年 / 661卷

关键词：

Thin-film silicon; Photovoltaic; Staebler-Wronski effect; Degradation; Performance ratio; Maximum power; CONDUCTIVITY CHANGES; TEMPERATURE;

D O I：

10.1016/j.tsf.2018.07.017

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thin-film silicon (Si) related photovoltaic (PV) modules suffer performance deterioration owing to outdoor exposure. We investigate the performance degradation and seasonal variation of hydrogenated amorphous Si (a-Si: H) related PV modules. The normalized maximum power (P-MAX) of the single-and multi-junction modules tested herein decreased greatly and then stabilized after similar to 3 or 4 years of outdoor exposure. In summer (August 2016 and 2017), the P-MAX of all a-Si: H related PV modules increased by 2.0%-3.8% over the P-MAX in winter (December 2015 and 2016). In addition, the a-Si: H related PV modules show higher performance ratio (PR) in summer and lower in winter. These results are due to thermal annealing and light induced degradation effects in a-Si: H related PV modules. The a-Si: H related PV modules' PR two months after outdoor installation is lower than that before installation, which is explained by initial light exposure induced degradation.

引用

页码：116 / 121

页数：6

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