The BOSCO cell concept: Bifacial operation with double-sided collection

The recently introduced BOSCO ("Both Sides Collecting and Contacted") solar cell exhibits emitter regions on front and rear side, which are interconnected by diffused vias. This allows double-sided collection of carriers in the base and bifacial operation while supporting standard module i...

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Bibliographic Details
Main Authors: Fertig, Fabian, Krauss, Karin, Greulich, Johannes, Clement, Florian, Biro, Daniel, Preu, Ralf, Rein, Stefan
Format: Conference Proceeding
Language:English
Subjects:
bifacial
Current measurement
double-sided collection
multi-crystalline silicon
Photovoltaic cells
Photovoltaic systems
Reflectivity
Silicon
Online Access:Request full text
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Summary:The recently introduced BOSCO ("Both Sides Collecting and Contacted") solar cell exhibits emitter regions on front and rear side, which are interconnected by diffused vias. This allows double-sided collection of carriers in the base and bifacial operation while supporting standard module interconnection technology. This work gives a simplified loss analysis of the first batch of large-area multi-crystalline silicon cells. A potential efficiency improvement of 0.9 % abs in front-side efficiency and 25 % rel in rear-side efficiency is expected when implementing imminent technological measures.
ISSN:0160-8371
DOI:10.1109/PVSC.2014.6925348