Fabrication of bilayered YSZ/SDC electrolyte film by electrophoretic deposition for reduced-temperature operating anode-supported SOFC

Motohide Matsuda; Takushi Hosomi; Kenji Murata; Takehisa Fukui; Michihiro Miyake

doi:10.1016/j.jpowsour.2006.11.087

Fabrication of bilayered YSZ/SDC electrolyte film by electrophoretic deposition for reduced-temperature operating anode-supported SOFC

Motohide Matsuda, Takushi Hosomi, Kenji Murata, Takehisa Fukui, Michihiro Miyake

Graduate School of Environmental and Life Science

Research output: Contribution to journal › Article

69 Citations (Scopus)

Abstract

Bilayered Y₂O₃-stabilized ZrO₂ (YSZ)/Sm₂O₃-doped CeO₂ (SDC) electrolyte films were successfully fabricated on porous NiO-YSZ composite substrates by electrophoretic deposition (EPD) based on electrophoretic filtration followed by co-firing with the substrates. In EPD, positively charged YSZ and SDC powders were deposited directly on the substrates, layer by layer from ethanol-based suspensions. Delamination between YSZ and SDC films was avoided by reducing the SDC films' thickness to ca. 1 μm. A single cell was constructed on the bilayered electrolyte films composed of ca. 4 μm-thick YSZ and ca. 1 μm-thick SDC films. As a cathode in the cell, La_0.6Sr_0.4Co_0.2Fe_0.8O_3-x (LSCF) was used. Maximum output power densities greater than 0.6 W cm^-2 were obtained at 700 °C for the bilayered YSZ/SDC electrolyte cells thus constructed.

Original language	English
Pages (from-to)	102-107
Number of pages	6
Journal	Journal of Power Sources
Volume	165
Issue number	1
DOIs	https://doi.org/10.1016/j.jpowsour.2006.11.087
Publication status	Published - Feb 25 2007

Keywords

Ceramic processing
Electrolyte film
Electrophoretic deposition
Solid oxide fuel cell

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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Matsuda, M., Hosomi, T., Murata, K., Fukui, T., & Miyake, M. (2007). Fabrication of bilayered YSZ/SDC electrolyte film by electrophoretic deposition for reduced-temperature operating anode-supported SOFC. Journal of Power Sources, 165(1), 102-107. https://doi.org/10.1016/j.jpowsour.2006.11.087

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title = "Fabrication of bilayered YSZ/SDC electrolyte film by electrophoretic deposition for reduced-temperature operating anode-supported SOFC",

abstract = "Bilayered Y2O3-stabilized ZrO2 (YSZ)/Sm2O3-doped CeO2 (SDC) electrolyte films were successfully fabricated on porous NiO-YSZ composite substrates by electrophoretic deposition (EPD) based on electrophoretic filtration followed by co-firing with the substrates. In EPD, positively charged YSZ and SDC powders were deposited directly on the substrates, layer by layer from ethanol-based suspensions. Delamination between YSZ and SDC films was avoided by reducing the SDC films' thickness to ca. 1 μm. A single cell was constructed on the bilayered electrolyte films composed of ca. 4 μm-thick YSZ and ca. 1 μm-thick SDC films. As a cathode in the cell, La0.6Sr0.4Co0.2Fe0.8O3-x (LSCF) was used. Maximum output power densities greater than 0.6 W cm-2 were obtained at 700 °C for the bilayered YSZ/SDC electrolyte cells thus constructed.",

keywords = "Ceramic processing, Electrolyte film, Electrophoretic deposition, Solid oxide fuel cell",

author = "Motohide Matsuda and Takushi Hosomi and Kenji Murata and Takehisa Fukui and Michihiro Miyake",

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AU - Matsuda, Motohide

AU - Hosomi, Takushi

AU - Murata, Kenji

AU - Fukui, Takehisa

AU - Miyake, Michihiro

PY - 2007/2/25

Y1 - 2007/2/25

N2 - Bilayered Y2O3-stabilized ZrO2 (YSZ)/Sm2O3-doped CeO2 (SDC) electrolyte films were successfully fabricated on porous NiO-YSZ composite substrates by electrophoretic deposition (EPD) based on electrophoretic filtration followed by co-firing with the substrates. In EPD, positively charged YSZ and SDC powders were deposited directly on the substrates, layer by layer from ethanol-based suspensions. Delamination between YSZ and SDC films was avoided by reducing the SDC films' thickness to ca. 1 μm. A single cell was constructed on the bilayered electrolyte films composed of ca. 4 μm-thick YSZ and ca. 1 μm-thick SDC films. As a cathode in the cell, La0.6Sr0.4Co0.2Fe0.8O3-x (LSCF) was used. Maximum output power densities greater than 0.6 W cm-2 were obtained at 700 °C for the bilayered YSZ/SDC electrolyte cells thus constructed.

AB - Bilayered Y2O3-stabilized ZrO2 (YSZ)/Sm2O3-doped CeO2 (SDC) electrolyte films were successfully fabricated on porous NiO-YSZ composite substrates by electrophoretic deposition (EPD) based on electrophoretic filtration followed by co-firing with the substrates. In EPD, positively charged YSZ and SDC powders were deposited directly on the substrates, layer by layer from ethanol-based suspensions. Delamination between YSZ and SDC films was avoided by reducing the SDC films' thickness to ca. 1 μm. A single cell was constructed on the bilayered electrolyte films composed of ca. 4 μm-thick YSZ and ca. 1 μm-thick SDC films. As a cathode in the cell, La0.6Sr0.4Co0.2Fe0.8O3-x (LSCF) was used. Maximum output power densities greater than 0.6 W cm-2 were obtained at 700 °C for the bilayered YSZ/SDC electrolyte cells thus constructed.

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KW - Electrolyte film

KW - Electrophoretic deposition

KW - Solid oxide fuel cell

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