Development of ceria based SOFCs with a high performance La 0.6Sr0.4Co0.2Fe0.8O 3-δ-Ce0.9Gd0.1O1.95-Ag composite cathode

Y. Liu; K. Yasumoto; Shinichi Hashimoto; K. Takei; M. Mori; Y. Funahashi; Y. Fijishiro; A. Hirano; Y. Takeda

doi:10.1115/1.3176220

Development of ceria based SOFCs with a high performance La _0.6Sr_0.4Co_0.2Fe_0.8O _3-δ-Ce_0.9Gd_0.1O_1.95-Ag composite cathode

Y. Liu, K. Yasumoto, Shinichi Hashimoto, K. Takei, M. Mori, Y. Funahashi, Y. Fijishiro, A. Hirano, Y. Takeda

ENV - Environmental Studies for Advanced Society

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

4 Citations (Scopus)

Abstract

In this work, a microtubular cell consisting of a thin Ce _0.9Gd_0.1O_1.95 (GDC) electrolyte (thickness: below 10 μm) on a support NiO/GDC anode (1.8 mm outer diameter, 200 μm wall thickness) with a La_0.6Sr_0.4Co_0.2Fe _0.8O_3-δ/GDC functional cathode has been developed for intermediate/low temperature operation. The functional cathode was prepared by in situ infiltrating the electrochemically catalytic nano-Ag particles into the as-established 20 μm thick cathode. The as-proposed Ag-impregnation route ensures a very homogeneous particle dispersion and a good adhesion of Ag to the ceramic matrices. The cells were successfully operated to produce the maximum power densities of 0.41 W cm^-2 (1.27 A cm^-2, 0.32 V), 0.83 W cm^-2 (2.23 A cm^-2, 0.37 V), and 1.05 W cm^-2 (2.39 A cm^-2, 0.44 V) at 450°C, 500°C, and 550°C, respectively.

Original language	English
Article number	061003
Journal	Journal of Fuel Cell Science and Technology
Volume	7
Issue number	6
DOIs	https://doi.org/10.1115/1.3176220
Publication status	Published - 2010 Dec 1

Keywords

Ag-impregnation
La Sr Co Fe O
cell performance
gadolinium doped ceria
solid oxide fuel cells

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Mechanics of Materials
Mechanical Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1115/1.3176220

Cite this

@article{21a20601abba49b6903036f953156dd7,

title = "Development of ceria based SOFCs with a high performance La 0.6Sr0.4Co0.2Fe0.8O 3-δ-Ce0.9Gd0.1O1.95-Ag composite cathode",

abstract = "In this work, a microtubular cell consisting of a thin Ce 0.9Gd0.1O1.95 (GDC) electrolyte (thickness: below 10 μm) on a support NiO/GDC anode (1.8 mm outer diameter, 200 μm wall thickness) with a La0.6Sr0.4Co0.2Fe 0.8O3-δ/GDC functional cathode has been developed for intermediate/low temperature operation. The functional cathode was prepared by in situ infiltrating the electrochemically catalytic nano-Ag particles into the as-established 20 μm thick cathode. The as-proposed Ag-impregnation route ensures a very homogeneous particle dispersion and a good adhesion of Ag to the ceramic matrices. The cells were successfully operated to produce the maximum power densities of 0.41 W cm-2 (1.27 A cm-2, 0.32 V), 0.83 W cm-2 (2.23 A cm-2, 0.37 V), and 1.05 W cm-2 (2.39 A cm-2, 0.44 V) at 450°C, 500°C, and 550°C, respectively.",

keywords = "Ag-impregnation, La Sr Co Fe O, cell performance, gadolinium doped ceria, solid oxide fuel cells",

author = "Y. Liu and K. Yasumoto and Shinichi Hashimoto and K. Takei and M. Mori and Y. Funahashi and Y. Fijishiro and A. Hirano and Y. Takeda",

year = "2010",

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TY - JOUR

T1 - Development of ceria based SOFCs with a high performance La 0.6Sr0.4Co0.2Fe0.8O 3-δ-Ce0.9Gd0.1O1.95-Ag composite cathode

AU - Liu, Y.

AU - Yasumoto, K.

AU - Hashimoto, Shinichi

AU - Takei, K.

AU - Mori, M.

AU - Funahashi, Y.

AU - Fijishiro, Y.

AU - Hirano, A.

AU - Takeda, Y.

PY - 2010/12/1

Y1 - 2010/12/1

N2 - In this work, a microtubular cell consisting of a thin Ce 0.9Gd0.1O1.95 (GDC) electrolyte (thickness: below 10 μm) on a support NiO/GDC anode (1.8 mm outer diameter, 200 μm wall thickness) with a La0.6Sr0.4Co0.2Fe 0.8O3-δ/GDC functional cathode has been developed for intermediate/low temperature operation. The functional cathode was prepared by in situ infiltrating the electrochemically catalytic nano-Ag particles into the as-established 20 μm thick cathode. The as-proposed Ag-impregnation route ensures a very homogeneous particle dispersion and a good adhesion of Ag to the ceramic matrices. The cells were successfully operated to produce the maximum power densities of 0.41 W cm-2 (1.27 A cm-2, 0.32 V), 0.83 W cm-2 (2.23 A cm-2, 0.37 V), and 1.05 W cm-2 (2.39 A cm-2, 0.44 V) at 450°C, 500°C, and 550°C, respectively.

AB - In this work, a microtubular cell consisting of a thin Ce 0.9Gd0.1O1.95 (GDC) electrolyte (thickness: below 10 μm) on a support NiO/GDC anode (1.8 mm outer diameter, 200 μm wall thickness) with a La0.6Sr0.4Co0.2Fe 0.8O3-δ/GDC functional cathode has been developed for intermediate/low temperature operation. The functional cathode was prepared by in situ infiltrating the electrochemically catalytic nano-Ag particles into the as-established 20 μm thick cathode. The as-proposed Ag-impregnation route ensures a very homogeneous particle dispersion and a good adhesion of Ag to the ceramic matrices. The cells were successfully operated to produce the maximum power densities of 0.41 W cm-2 (1.27 A cm-2, 0.32 V), 0.83 W cm-2 (2.23 A cm-2, 0.37 V), and 1.05 W cm-2 (2.39 A cm-2, 0.44 V) at 450°C, 500°C, and 550°C, respectively.

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KW - La Sr Co Fe O

KW - cell performance

KW - gadolinium doped ceria

KW - solid oxide fuel cells

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