Application of Protonic Conduction in Perovskite-Type Oxides: Mixed Proton-Electron-Conducting Membrane for Hydrogen Separation

Hiroshige Matsumoto

doi:10.4028/www.scientific.net/AST.45.2024

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 45Application of Protonic Conduction in...

Application of Protonic Conduction in Perovskite-Type Oxides: Mixed Proton-Electron-Conducting Membrane for Hydrogen Separation

Abstract:

Hydrogen separation is one of the key techniques for the forthcoming hydrogen economy. This paper describes a possible electrochemical method and materials for hydrogen separation: mixed proton-electron-conducting membrane that can permeate hydrogen selectively from hydrogen-containing gases, such as reformed gases of hydrocarbons. Proton-conducting perovskite-type solid electrolytes are first introduced as the base material of the mixed conductor. Some transition metal-doped perovskites are shown to have a mixed conductivity of protonic and electronic charge carriers, revealed by electrochemical and X-ray-spectroscopic measurements.

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Advances in Science and Technology (Volume 45)

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2024-2032

DOI:

https://doi.org/10.4028/www.scientific.net/AST.45.2024

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October 2006

Authors:

Hiroshige Matsumoto

Keywords:

Hydrogen Separation, Mixed Conductor, Perovskite, Proton Conductor, X-Ray Absorption

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