caa a22 4500 606168885 CHVBK 20210128100709.0 cr unu---uuuuu 210128e20150101xx s 000 0 eng 10.1007/s10098-014-0786-8 doi (NATIONALLICENCE)springer-10.1007/s10098-014-0786-8 Experimental verification of upgraded metallurgical silicon photovoltaic power plant [Elektronische Daten] [Hong Yang, He Wang, Haidong Wang, Jiye Ding] The upgraded metallurgical silicon (UMG-Si) purified by a metallurgical process route directly is more energy efficient than the conventional Siemens process, but high metallic impurities are the cause of a large fraction of the total recombination events in solar cells made from UMG-Si. The efficiency of crystalline silicon solar cells made by such materials is lower than that from a chemical route, and UMG solar cells have big light-induced degradation. So, there always exist debates about using the upgraded metallurgical silicon for photovoltaic. In this paper, the impurity contents of silicon samples obtained in different stages were investigated, and a four-year verification of the largest UMG photovoltaic power plant in the world was conducted for the first time. The reliability, operating performance, and defects of UMG photovoltaic power plant were analyzed. Springer-Verlag Berlin Heidelberg, 2014 Upgraded metallurgical silicon nationallicence Solar cells nationallicence Power plant nationallicence Degradation nationallicence Yang Hong Institute of Solar Energy, MOE Key Laboratory for Nonequilibrim Synthese and Modulation of Condensed Matter, Xi'an Jiaotong University, 710049, Xi'an, People's Republic of China aut Wang He Institute of Solar Energy, MOE Key Laboratory for Nonequilibrim Synthese and Modulation of Condensed Matter, Xi'an Jiaotong University, 710049, Xi'an, People's Republic of China aut Wang Haidong Ningxia Yinxing Energy Co., Ltd, 750021, Yinchuan, People's Republic of China aut Ding Jiye Ningxia Yinxing Energy Co., Ltd, 750021, Yinchuan, People's Republic of China aut Clean Technologies and Environmental Policy Springer Berlin Heidelberg 17/1(2015-01-01), 281-285 1618-954X 17:1<281 2015 17 10098 https://doi.org/10.1007/s10098-014-0786-8 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10098-014-0786-8 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Yang Hong Institute of Solar Energy, MOE Key Laboratory for Nonequilibrim Synthese and Modulation of Condensed Matter, Xi'an Jiaotong University, 710049, Xi'an, People's Republic of China aut NATIONALLICENCE 700 1- Wang He Institute of Solar Energy, MOE Key Laboratory for Nonequilibrim Synthese and Modulation of Condensed Matter, Xi'an Jiaotong University, 710049, Xi'an, People's Republic of China aut NATIONALLICENCE 700 1- Wang Haidong Ningxia Yinxing Energy Co., Ltd, 750021, Yinchuan, People's Republic of China aut NATIONALLICENCE 700 1- Ding Jiye Ningxia Yinxing Energy Co., Ltd, 750021, Yinchuan, People's Republic of China aut NATIONALLICENCE 773 0- Clean Technologies and Environmental Policy Springer Berlin Heidelberg 17/1(2015-01-01), 281-285 1618-954X 17:1<281 2015 17 10098