Protonic-electronic mixed conduction and hydrogen permeation in BaCe 0.9-xY0.1RuxO3-α

Hiroshige Matsumoto, Tetsuo Shimura, Tohru Higuchi, Hiroomi Tanaka, Koji Katahira, Takanori Otake, Takao Kudo, Keyi Yashiro, Atsushi Kaimai, Tatsuya Kawada, Junichiro Mizusaki

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

The protonic-electronic mixed conductors are of great interest for their potential applications particularly for the hydrogen separation that is essential for hydrogen production from hydrocarbons. This paper deals with the mixed conduction properties of BaCe0.9-xY0.1Ru xO3-a (x = 0-0.1) in which Ru is partially substituted for Ce in the high-temperature proton conductor, BaCe0.9Y 0.1O3-α. Appreciable hydrogen permeation through the Ru-doped materials was observed and is attributed to ambipolar diffusion. The mixed conducting mechanism is discussed in terms of the defect chemistry and electronic structures revealed by the electrochemical and spectroscopic measurements. (c) 2005 The Electrochemical Society. All rights reserved.

Original languageEnglish
Pages (from-to)A488-A492
JournalJournal of the Electrochemical Society
Volume152
Issue number3
DOIs
Publication statusPublished - Apr 8 2005

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Permeation
Hydrogen
conductors
conduction
ambipolar diffusion
hydrogen production
hydrogen
Hydrogen production
Hydrocarbons
electronics
Electronic structure
Protons
hydrocarbons
chemistry
electronic structure
Defects
protons
defects
Temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

Cite this

Protonic-electronic mixed conduction and hydrogen permeation in BaCe 0.9-xY0.1RuxO3-α. / Matsumoto, Hiroshige; Shimura, Tetsuo; Higuchi, Tohru; Tanaka, Hiroomi; Katahira, Koji; Otake, Takanori; Kudo, Takao; Yashiro, Keyi; Kaimai, Atsushi; Kawada, Tatsuya; Mizusaki, Junichiro.

In: Journal of the Electrochemical Society, Vol. 152, No. 3, 08.04.2005, p. A488-A492.

Research output: Contribution to journalArticle

Matsumoto, H, Shimura, T, Higuchi, T, Tanaka, H, Katahira, K, Otake, T, Kudo, T, Yashiro, K, Kaimai, A, Kawada, T & Mizusaki, J 2005, 'Protonic-electronic mixed conduction and hydrogen permeation in BaCe 0.9-xY0.1RuxO3-α', Journal of the Electrochemical Society, vol. 152, no. 3, pp. A488-A492. https://doi.org/10.1149/1.1852442
Matsumoto, Hiroshige ; Shimura, Tetsuo ; Higuchi, Tohru ; Tanaka, Hiroomi ; Katahira, Koji ; Otake, Takanori ; Kudo, Takao ; Yashiro, Keyi ; Kaimai, Atsushi ; Kawada, Tatsuya ; Mizusaki, Junichiro. / Protonic-electronic mixed conduction and hydrogen permeation in BaCe 0.9-xY0.1RuxO3-α. In: Journal of the Electrochemical Society. 2005 ; Vol. 152, No. 3. pp. A488-A492.
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