Quantifying the performance gain of 100 cm2 bifacial four terminal perovskite-Si tandem modules

Improving the performance of solar modules requires the implementation of both spectral and directional irradiance optimization. The performance of bifacial four-terminal tandem minimodules with a 100 cm2 area is reported, both indoor and outdoor measurements. We demonstrate a 24.5 mW/cm2 (bifacial...

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Bibliographic Details
Published in:EPJ Photovoltaics 2022-01, Vol.13, p.11
Main Authors: Manshanden Petra, Coletti Gianluca, Rosca Victor, Jansen Mark J., de Groot Koen, de Graaff Gertjan J., Creatore M., Simurka Lukas, Najafi Mehrdad, Zardetto Valerio, Dogan Ilkar, Fledderus Henri, Veenstra Sjoerd C.
Format: Article
Language:English
Subjects:
bifacial modules
four terminal tandem
outdoor performance
perovskite
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Summary:Improving the performance of solar modules requires the implementation of both spectral and directional irradiance optimization. The performance of bifacial four-terminal tandem minimodules with a 100 cm2 area is reported, both indoor and outdoor measurements. We demonstrate a 24.5 mW/cm2 (bifacial irradiance 200 W/m2) bifacial tandem power density, measured according to a tandem adapted IEC60904-1-2 protocol, which constitutes a 3 mW/cm2 gain with respect to monofacial use. In addition, we show that in outdoor measurements bifacial four terminal tandems outperform identical monofacial four terminal tandems by 26% on average, depending on incident angle, injection level and temperature, in a 10% albedo environment. The average gain is higher for outdoor performance than for indoor performance, due to variations in relative rear irradiance.
ISSN:2105-0716
DOI:10.1051/epjpv/2022006