Electrochemical performance and reaction mechanism of LaNi 0.6Fe0.4O3-δ - Ce0.9Gd 0.1O1.95 composite electrode for solid oxide fuel cell

R. A. Budiman; Shinichi Hashimoto; Keiji Yashiro; Koji Amezawa; Tatsuya Kawada

doi:10.1149/05701.1873ecst

Electrochemical performance and reaction mechanism of LaNi 0.6Fe0.4O3-δ - Ce0.9Gd 0.1O1.95 composite electrode for solid oxide fuel cell

R. A. Budiman, Shinichi Hashimoto, Keiji Yashiro, Koji Amezawa, Tatsuya Kawada

ENV - Environmental Studies for Advanced Society

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Mixed conducting LaNi_0.6Fe_0.4O₃-δ electrode was combined with an ionically conducting oxide Ce _0.9Gd_0.1O_1.95, which resulted in high area specific conductivity (ASC). The enhancement of ASC did not only depend on their volume ratio but depended on sintering temperatures as well. Besides the extension of triple phase boundary, the catalytic activity itself could also be enhanced at the junction of the two oxides. This was proven with a LaNi _0.6Fe_0.4O₃-δ film electrode coated with a Ce_0.9Gd_0.1O_1.95 porous layer on the top. It showed higher ASC compared to the bare LaNi_0.6Fe_0.4O ₃-δ film electrode.

Original language	English
Pages (from-to)	1873-1878
Number of pages	6
Journal	ECS Transactions
Volume	57
Issue number	1
DOIs	https://doi.org/10.1149/05701.1873ecst
Publication status	Published - 2013 Jan 1

ASJC Scopus subject areas

Engineering(all)

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abstract = "Mixed conducting LaNi0.6Fe0.4O3-δ electrode was combined with an ionically conducting oxide Ce 0.9Gd0.1O1.95, which resulted in high area specific conductivity (ASC). The enhancement of ASC did not only depend on their volume ratio but depended on sintering temperatures as well. Besides the extension of triple phase boundary, the catalytic activity itself could also be enhanced at the junction of the two oxides. This was proven with a LaNi 0.6Fe0.4O3-δ film electrode coated with a Ce0.9Gd0.1O1.95 porous layer on the top. It showed higher ASC compared to the bare LaNi0.6Fe0.4O 3-δ film electrode.",

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AU - Budiman, R. A.

AU - Hashimoto, Shinichi

AU - Yashiro, Keiji

AU - Amezawa, Koji

AU - Kawada, Tatsuya

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