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Advanced Membrane Science and Technology for Sustainable Energy and Environmental Applications by S Nunes, Angelo Basile

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19

Biomimetic membrane reactors for hydrogen (H2) production

S. Bensaid and G. Saracco,     Politecnico di Torino, Italy

Abstract:

This chapter addresses the theoretical background and technical challenges behind the direct production of hydrogen via photo-splitting of water in biomimetic devices. Natural systems for water splitting via natural sunlight (photosystem II) and for hydrogen synthesis (hydrogenase enzymes), as well as artificial molecules obtained to mimic the properties of natural ones, are reviewed and discussed. Given the properties of these systems, a theoretical efficiency of 10% was estimated based on the thermodynamics of a fully optimized system in terms of materials and engineering design. Finally, the main advances in ...

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