Efficient Continuous Light-Driven Electrochemical Water Splitting Enabled by Monolithic Perovskite-Silicon Tandem Photovoltaics
Kunal Datta (Eindhoven University of Technology)
Bruno Branco (Eindhoven University of Technology)
Yifeng Zhao (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Valerio Zardetto (DIANA FEA )
Nga Phung (Eindhoven University of Technology)
Andrea Bracesco (Eindhoven University of Technology)
Luana Mazzarella (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Martijn M. Wienk (Eindhoven University of Technology)
Olindo Isabella (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
Solar-assisted water electrolysis is a promising technology for storing the energy of incident solar irradiation into hydrogen as a fuel. Here, an integrated continuous flow electrochemical reactor coupled to a monolithic perovskite-silicon tandem solar cell is demonstrated that provides light-driven electrochemical solar-to-hydrogen conversion with an energy conversion efficiency exceeding 21% at 1-Sun equivalent light intensity and stable operation during three simulated day-night cycles.
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