Numerical study of mono-crystalline silicon solar cells with passivated emitter and rear contact configuration for the efficiency beyond 24% based on mass production technology

Mono-crystalline silicon solar cells with a passivated emitter rear contact (PERC) configuration have attracted extensive attention from both industry and scientific communities. A record efficiency of 24.06% on p-type silicon wafer and mass production efficiency around 22% have been demonstrated, m...

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Bibliographic Details
Published in:Journal of semiconductors 2020-06, Vol.41 (6), p.62701-87
Main Authors: Wang, Peng, Li, Gaofei, Wang, Miao, Li, Hong, Zheng, Jing, Yang, Liyou, Chen, Yigang, Li, Dongdong, Lu, Linfeng
Format: Article
Language:English
Subjects:
free energy loss analysis
monocrystalline silicon solar cell
numerical simulation
passivated emitter rear contact
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Summary:Mono-crystalline silicon solar cells with a passivated emitter rear contact (PERC) configuration have attracted extensive attention from both industry and scientific communities. A record efficiency of 24.06% on p-type silicon wafer and mass production efficiency around 22% have been demonstrated, mainly due to its superior rear side passivation. In this work, the PERC solar cells with a p-type silicon wafer were numerically studied in terms of the surface passivation, quality of silicon wafer and metal electrodes. A rational way to achieve a 24% mass-production efficiency was proposed. Free energy loss analyses were adopted to address the loss sources with respect to the limit efficiency of 29%, which provides a guideline for the design and manufacture of a high-efficiency PERC solar cell.
ISSN:1674-4926
2058-6140
DOI:10.1088/1674-4926/41/6/062701