Intermediate temperature solid oxide fuel cells with LaGaO3 based perovskite type electrolyte

Tatsumi Ishihara, Hiroaki Minami, Hideaki Matsuda, Hiroyasu Nishiguchi, Yusaku Takita

Research output: Contribution to journalArticle

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Abstract

The electrical power generation characteristics of SOFCs where LaGaO3-based perovskite type oxide is applied as the electrolyte, were studied for the decreased temperature solid oxide fuel cells. The power generation characteristics of cells were strongly affected by the electrode, both anode and cathode. The maximum power density of cells increased in the following order, Pt < La0.75Sr0.25CrO3 < (La0.6Sr0.4)0.9MnO3 < La0.6Sr0.4FeO3 < La0.6Sr0.4CoO3 for the cathode, and Ru < Pt < Co < Ni for the anode. Rare earth cations in the Ln-site of Co-based perovskite oxides cathode also have a great effect on the power generation characteristics. In particular, a high power density could be attained in the temperature range from 973 K to 1273 K by using a doped SmCoO3 for the cathode. The maximum power density of the SOFC, which consisted of Ni anode and Sm0.6Sr0.4CoO3 cathode attained the values as high as 0.44 and 0.14 W/cm2 at 1073 and 973 K, respectively.

Original languageEnglish
Pages (from-to)642-648
Number of pages7
JournalDenki Kagaku
Volume64
Issue number6
Publication statusPublished - 1996
Externally publishedYes

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Solid oxide fuel cells (SOFC)
Perovskite
Electrolytes
Cathodes
Power generation
Anodes
Oxides
Temperature
Rare earths
Cations
Positive ions
perovskite
Electrodes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Ishihara, T., Minami, H., Matsuda, H., Nishiguchi, H., & Takita, Y. (1996). Intermediate temperature solid oxide fuel cells with LaGaO3 based perovskite type electrolyte. Denki Kagaku, 64(6), 642-648.

Intermediate temperature solid oxide fuel cells with LaGaO3 based perovskite type electrolyte. / Ishihara, Tatsumi; Minami, Hiroaki; Matsuda, Hideaki; Nishiguchi, Hiroyasu; Takita, Yusaku.

In: Denki Kagaku, Vol. 64, No. 6, 1996, p. 642-648.

Research output: Contribution to journalArticle

Ishihara, T, Minami, H, Matsuda, H, Nishiguchi, H & Takita, Y 1996, 'Intermediate temperature solid oxide fuel cells with LaGaO3 based perovskite type electrolyte', Denki Kagaku, vol. 64, no. 6, pp. 642-648.
Ishihara, Tatsumi ; Minami, Hiroaki ; Matsuda, Hideaki ; Nishiguchi, Hiroyasu ; Takita, Yusaku. / Intermediate temperature solid oxide fuel cells with LaGaO3 based perovskite type electrolyte. In: Denki Kagaku. 1996 ; Vol. 64, No. 6. pp. 642-648.
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AU - Takita, Yusaku

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N2 - The electrical power generation characteristics of SOFCs where LaGaO3-based perovskite type oxide is applied as the electrolyte, were studied for the decreased temperature solid oxide fuel cells. The power generation characteristics of cells were strongly affected by the electrode, both anode and cathode. The maximum power density of cells increased in the following order, Pt < La0.75Sr0.25CrO3 < (La0.6Sr0.4)0.9MnO3 < La0.6Sr0.4FeO3 < La0.6Sr0.4CoO3 for the cathode, and Ru < Pt < Co < Ni for the anode. Rare earth cations in the Ln-site of Co-based perovskite oxides cathode also have a great effect on the power generation characteristics. In particular, a high power density could be attained in the temperature range from 973 K to 1273 K by using a doped SmCoO3 for the cathode. The maximum power density of the SOFC, which consisted of Ni anode and Sm0.6Sr0.4CoO3 cathode attained the values as high as 0.44 and 0.14 W/cm2 at 1073 and 973 K, respectively.

AB - The electrical power generation characteristics of SOFCs where LaGaO3-based perovskite type oxide is applied as the electrolyte, were studied for the decreased temperature solid oxide fuel cells. The power generation characteristics of cells were strongly affected by the electrode, both anode and cathode. The maximum power density of cells increased in the following order, Pt < La0.75Sr0.25CrO3 < (La0.6Sr0.4)0.9MnO3 < La0.6Sr0.4FeO3 < La0.6Sr0.4CoO3 for the cathode, and Ru < Pt < Co < Ni for the anode. Rare earth cations in the Ln-site of Co-based perovskite oxides cathode also have a great effect on the power generation characteristics. In particular, a high power density could be attained in the temperature range from 973 K to 1273 K by using a doped SmCoO3 for the cathode. The maximum power density of the SOFC, which consisted of Ni anode and Sm0.6Sr0.4CoO3 cathode attained the values as high as 0.44 and 0.14 W/cm2 at 1073 and 973 K, respectively.

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