Surface passivation of industrial PERC solar cells
In this book chapter, the authors summarize the main developments and improvements within the last 25 years which enabled the industrialization of the lab-type PERC solar cell concept. In particular, we describe the historic development and current status of key industrial PERC manufacturing process steps such as the rear passivation layer, typically applying an AlOx/SiNy layer stack, as well as the local Al rear contact formation by laser ablation, Al screen printing and subsequent firing. At the end of this chapter, an outlook is provided on future development opportunities such as further efficiency increases and bifacial PERC applications.
Surface passivation of industrial PERC solar cells, Page 1 of 2
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