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May 28, 2026Chemical Engineering Journal2 citationsOpen Access

A novel CaTiO3/WO3/BiVO4 heterostructured photoanode for simultaneous glycerol valorization and hydrogen evolution

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LDLeonardo A. DelgadoIMIvan Merino-GarciaSCSara Crespo

Key Points

  • The aim is to explore a new photoanode for efficient hydrogen production from glycerol.
  • Developed a CaTiO3/WO3/BiVO4 heterostructured photoanode.
  • Conducted glycerol-driven photoelectrochemical (PEC) hydrogen evolution experiments.
  • Evaluated system performance in a flow-cell operation.
  • Achieved high Faradaic efficiencies for glycerol oxidation and hydrogen evolution.
  • Demonstrated significant reduction in energy input compared to traditional methods.
  • Improved charge separation limits recombination, enhancing overall performance.

Abstract

• First CaTiO 3 /WO 3 /BiVO 4 photoanode applied to glycerol-driven PEC H 2 production • The heterostructured surface improves charge separation and limits recombination • Waste glycerol replaces OER, significantly reducing energy input for H 2 generation • Coupled glycerol oxidation and H 2 evolution achieve high Faradaic efficiencies • Flow-cell PEC operation enables scalable waste-to-chemicals and fuel production

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Cite This Study

Delgado et al. (2026) studied this question.

synapsesocial.com/papers/6a17db293fad632b0f9d7edchttps://doi.org/10.1016/j.cej.2026.177727
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