Proton concentration in 15 mol% Y-doped BaZrO3 proton conductors prepared at various temperatures

Fumitada Iguchi, Yuki Nagao, Noriko Sata, Hiroo Yugami

研究成果: ジャーナルへの寄稿学術論文査読

10 被引用数 (Scopus)

抄録

Proton concentration as a function of ambient temperature in 15 mol% Y-doped BaZrO3 proton conductors prepared at 1800 °C, 1600 °C and 1400 °C, is measured by thermo-gravimetric (TG) analysis. TG analysis reveals that the maximum proton concentration in the specimen prepared at 1400 °C is over 15 mol%. The value is over the limitation decided by hydration process via oxygen vacancy. Infrared diffuse reflection spectroscopy confirms that additional O-D stretching vibration exists in the specimen. Both results strongly suggest that not a few amounts of water incorporate in the specimen prepared at low temperature through other hydration process.

本文言語英語
ページ(範囲)97-100
ページ数4
ジャーナルSolid State Ionics
192
1
DOI
出版ステータス出版済み - 2011 6月 16

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