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This research aims to understand how modifying tungsten oxide affects hydrogen behavior in electrochemical processes.

June 21, 2026Open Access

Modification of the defect and crystal chemistry of WO3 for selective hydrogen atom electrocatalysis and ion-storage applications

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Dissertation investigates defect engineering in tungsten oxide to enhance hydrogen selectivity and storage, indicating new applications.

This research aims to understand how modifying tungsten oxide affects hydrogen behavior in electrochemical processes.
Used diffusion-controlled gas–solid synthesis to create phosphorus-doped WO3 with oxygen vacancies.
Conducted electrochemical measurements such as rotating ring–disk electrode and impedance analysis.
Applied spectro-electrochemical methods and isotherm modeling to study surface hydrogen thermodynamics.
Phosphorus doping enhances conductivity but reduces hydrogen evolution reaction activity.
Defect engineering alters the adsorption kinetics of surface hydrogen, providing a new suppression mechanism for HER.
h′-WO3 demonstrated high capacity and stability as a cathode in ammonium-ion batteries.

Oguz Kaan Kucukosman (2026) studied this question.

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