H-2 oxidation at the interface Ni/Sr0.995Ce0.95Y0.05O2.975

N. Bonanos; Mogens Bjerg Mogensen

doi:10.1016/S0167-2738(97)00052-0

H-2 oxidation at the interface Ni/Sr₀_.₉₉₅Ce₀_.₉₅Y₀_.₀₅O₂_.₉₇₅

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Abstract

The oxidation of hydrogen at the interface of nickel and the perovskite proton conductor Sr0.995Ce0.95Y0.05O2.975 has been investigated at 800 degrees C and below in atmospheres of N-2/H-2/H2O, using a point contact electrode technique. The polarisation behaviour obtained in the anodic regime suggested the transport of a species undergoing one electron transfer. Limiting currents were dependent on the partial pressure of hydrogen, but not on that of water vapour.

Original language	English
Journal	Solid State Ionics
Volume	97
Issue number	1-4
Pages (from-to)	483-488
ISSN	0167-2738
DOIs	https://doi.org/10.1016/S0167-2738(97)00052-0
Publication status	Published - 1997

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abstract = "The oxidation of hydrogen at the interface of nickel and the perovskite proton conductor Sr0.995Ce0.95Y0.05O2.975 has been investigated at 800 degrees C and below in atmospheres of N-2/H-2/H2O, using a point contact electrode technique. The polarisation behaviour obtained in the anodic regime suggested the transport of a species undergoing one electron transfer. Limiting currents were dependent on the partial pressure of hydrogen, but not on that of water vapour. ",

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AU - Bonanos, N.

AU - Mogensen, Mogens Bjerg

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N2 - The oxidation of hydrogen at the interface of nickel and the perovskite proton conductor Sr0.995Ce0.95Y0.05O2.975 has been investigated at 800 degrees C and below in atmospheres of N-2/H-2/H2O, using a point contact electrode technique. The polarisation behaviour obtained in the anodic regime suggested the transport of a species undergoing one electron transfer. Limiting currents were dependent on the partial pressure of hydrogen, but not on that of water vapour.

AB - The oxidation of hydrogen at the interface of nickel and the perovskite proton conductor Sr0.995Ce0.95Y0.05O2.975 has been investigated at 800 degrees C and below in atmospheres of N-2/H-2/H2O, using a point contact electrode technique. The polarisation behaviour obtained in the anodic regime suggested the transport of a species undergoing one electron transfer. Limiting currents were dependent on the partial pressure of hydrogen, but not on that of water vapour.

KW - Industrielle materialer

U2 - 10.1016/S0167-2738(97)00052-0

DO - 10.1016/S0167-2738(97)00052-0

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