• Medientyp: E-Artikel
  • Titel: Development of Various Photovoltaic‐Driven Water Electrolysis Technologies for Green Solar Hydrogen Generation
  • Beteiligte: Calnan, Sonya [Verfasser:in]; Bagacki, Rory [Verfasser:in]; Privitera, Stefania M. S. [Verfasser:in]; Bizzarri, Fabrizio [Verfasser:in]; Connelli, Carmelo [Verfasser:in]; Consoli, Daniele [Verfasser:in]; Gerardi, Cosimo [Verfasser:in]; Zani, Pierenrico [Verfasser:in]; Carmo, Marcelo [Verfasser:in]; Haas, Stefan [Verfasser:in]; Lee, Minoh [Verfasser:in]; Müller, Martin [Verfasser:in]; Bao, Fuxi [Verfasser:in]; Zwaygardt, Walter [Verfasser:in]; Oscarsson, Johan [Verfasser:in]; Stolt, Lars [Verfasser:in]; Edoff, Marika [Verfasser:in]; Edvinsson, Tomas [Verfasser:in]; Pehlivan, Ilknur Bayrak [Verfasser:in]; Dorbandt, Iris [Verfasser:in]; Kemppainen, Erno [Verfasser:in]; Schary, Christian [Verfasser:in]; Schlatmann, Rutger [Verfasser:in]; Leonardi, Marco [Verfasser:in]; [...]
  • Erschienen: Wiley-VCH, 2022
  • Erschienen in: Solar RRL 6(5), 2100479 - (2022). doi:10.1002/solr.202100479
  • Sprache: Englisch
  • DOI: https://doi.org/10.1002/solr.202100479
  • ISSN: 2367-198X
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  • Beschreibung: 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 (10 m2 collection area) is also investigated. In both cases, StH efficiencies exceeding 10% can be maintained over the test periods used. All the StH efficiencies reported are based on measured gas outflow using mass flow meters.
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