4.7 Article

Proton conductivity and phase composition in BaZr0.9Y0.1O3-δ

Journal

SCRIPTA MATERIALIA
Volume 50, Issue 5, Pages 655-659

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2003.11.028

Keywords

perovskites; X-ray diffraction (XRD); electroceramics; proton conductor

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In order to evaluate the feasibility of fuel cells with proton conducting solid-electrolyte ceramics, the proton conductivity of sintered samples of BaZr0.9Y0.1O3-delta was measured with impedance spectroscopy. The processing parameters and stoichiometry strongly affect the proton conductivity of the material. Considerable analogy has been shown between doped cerates and doped zirconates. (C) 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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