Hydrogen generated by sunlight could play a major role in a low-carbon future, but high-efficiency demonstrations have been limited mostly to very small scales. New research now evaluates a complete system that generates 0.5 kg of hydrogen per day with 20% device (5.5% system) efficiency while showing the benefits of coupled light absorption and water electrolysis.
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Deutsch, T.G. Concentrating on solar for hydrogen. Nat Energy 8, 560–561 (2023). https://doi.org/10.1038/s41560-023-01256-1
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DOI: https://doi.org/10.1038/s41560-023-01256-1
