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Direct solar hydrogen generation via a combination of photovoltaics (PV) and water electrolysis can potentially ensure a sustainable energy supply while minimizing greenhouse emissions. The PECSYS project aims at demonstrating a solar‐driven electrochemical hydrogen generation system with an area >10 m2 with high efficiency and at reasonable cost. Thermally integrated PV electrolyzers (ECs) using thin‐film silicon, undoped, and silver‐doped Cu(In,Ga)Se2 and silicon heterojunction PV combined with alkaline electrolysis to form one unit are developed on a prototype level with solar collection areas in the range from 64 to 2600 cm2 with the solar‐to‐hydrogen (StH) efficiency ranging from ≈4 to 13%. Electrical direct coupling of PV modules to a proton exchange membrane EC to test the effects of bifaciality (730 cm2 solar collection area) and to study the long‐term operation under outdoor conditions …
Publication date: 
1 May 2022

Sonya Calnan, Rory Bagacki, Fuxi Bao, Iris Dorbandt, Erno Kemppainen, Christian Schary, Rutger Schlatmann, Marco Leonardi, Salvatore A Lombardo, R Gabriella Milazzo, Stefania MS Privitera, Fabrizio Bizzarri, Carmelo Connelli, Daniele Consoli, Cosimo Gerardi, Pierenrico Zani, Marcelo Carmo, Stefan Haas, Minoh Lee, Martin Mueller, Walter Zwaygardt, Johan Oscarsson, Lars Stolt, Marika Edoff, Tomas Edvinsson, Ilknur Bayrak Pehlivan

Biblio References: 
Volume: 6 Issue: 5 Pages: 2100479
Solar RRL