A large-volume manufacturing of multi-crystalline silicon solar cells with 18.8% efficiency incorporating practical advanced technologies. Issue 63 (16th June 2016)

• Record Type: Journal Article
• Authors: Zhang, Yingbin; Tao, Jiahua; Chen, Yifeng; Xiong, Zhen; Zhong, Ming; Feng, Zhiqiang; Yang, Pingxiong; Chu, Junhao
• Is Part Of: RSC advances. Volume 6:Issue 63(2016)
• Page Start: 58046
• Page End: 58054
• Publication Date: 2016-06-16
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/c6ra05765a
• Languages: English
• ISSNs: 2046-2069

Abstract

Abstract : The optimization processes for the mass-production of high-efficiency multi-crystalline silicon solar cells have been observed in this paper. Abstract : The optimization processes for the mass-production of high-efficiency multi-crystalline silicon solar cells have been observed in this paper. After incorporating several practical advanced technologies such as grain-size controlled low defect-density mc-Si casting ingot, precisely aligned selective emitter, surface-damage free reactive ion etch texturing on a mass production line, the total-area efficiencies up to 18.84% and a production average efficiency of 18.65% for large size (156 × 156 mm 2 ) multi-crystalline silicon (mc-Si) solar cells have been demonstrated, equating to an absolute efficiency gain of 1.58% compared to a conventional solar cell. The corresponding module power is 270.3 W, a 20 W increase over a conventional 60-cell mc-Si module of the same dimensions. These results demonstrate a successful transfer of advanced techniques from laboratory to large scale industrial production, which promote the mc-Si solar cells taking a big step forward in solar cells applications.