Transmission electron microscopy study on microstructure and interfacial property of thin film electrolyte SOFC

Ho Sung Noh; Jong Sung Park; Heon Lee; Hae Weon Lee; Jong Ho Lee; Ji Won Son

doi:10.1149/1.3518451

Transmission electron microscopy study on microstructure and interfacial property of thin film electrolyte SOFC

Ho Sung Noh, Jong Sung Park, Heon Lee, Hae Weon Lee, Jong Ho Lee, Ji Won Son

Department of Materials Science and Engineering

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

19 Citations (Scopus)

Abstract

The microstructure and interfacial property of a thin film electrolyte solid oxide fuel cell (SOFC) were investigated using transmission electron microscopy (TEM). The NiO-yttria-stabilized zirconia (YSZ) nanocomposite layer, the electrolyte, and the cathode layers were fabricated by using pulsed laser deposition and exhibited various microstructures such as a dense microstructure with equiaxed grains, a dense microstructure with columnar grains, and a nanoporous and granular microstructure, depending on their material, deposition condition, and deposition surface. In addition, the TEM analysis revealed that the reaction buffer to suppress the chemical reaction of lanthanum strontium cobaltite and YSZ is required even for the low temperature fabrication and operation (≤650°C).

Original language	English
Pages (from-to)	B26-B29
Journal	Electrochemical and Solid-State Letters
Volume	14
Issue number	2
DOIs	https://doi.org/10.1149/1.3518451
Publication status	Published - 2011

ASJC Scopus subject areas

Chemical Engineering(all)
Materials Science(all)
Physical and Theoretical Chemistry
Electrochemistry
Electrical and Electronic Engineering

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title = "Transmission electron microscopy study on microstructure and interfacial property of thin film electrolyte SOFC",

abstract = "The microstructure and interfacial property of a thin film electrolyte solid oxide fuel cell (SOFC) were investigated using transmission electron microscopy (TEM). The NiO-yttria-stabilized zirconia (YSZ) nanocomposite layer, the electrolyte, and the cathode layers were fabricated by using pulsed laser deposition and exhibited various microstructures such as a dense microstructure with equiaxed grains, a dense microstructure with columnar grains, and a nanoporous and granular microstructure, depending on their material, deposition condition, and deposition surface. In addition, the TEM analysis revealed that the reaction buffer to suppress the chemical reaction of lanthanum strontium cobaltite and YSZ is required even for the low temperature fabrication and operation (≤650°C).",

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T1 - Transmission electron microscopy study on microstructure and interfacial property of thin film electrolyte SOFC

AU - Noh, Ho Sung

AU - Park, Jong Sung

AU - Lee, Heon

AU - Lee, Hae Weon

AU - Lee, Jong Ho

AU - Son, Ji Won

PY - 2011

Y1 - 2011

N2 - The microstructure and interfacial property of a thin film electrolyte solid oxide fuel cell (SOFC) were investigated using transmission electron microscopy (TEM). The NiO-yttria-stabilized zirconia (YSZ) nanocomposite layer, the electrolyte, and the cathode layers were fabricated by using pulsed laser deposition and exhibited various microstructures such as a dense microstructure with equiaxed grains, a dense microstructure with columnar grains, and a nanoporous and granular microstructure, depending on their material, deposition condition, and deposition surface. In addition, the TEM analysis revealed that the reaction buffer to suppress the chemical reaction of lanthanum strontium cobaltite and YSZ is required even for the low temperature fabrication and operation (≤650°C).

AB - The microstructure and interfacial property of a thin film electrolyte solid oxide fuel cell (SOFC) were investigated using transmission electron microscopy (TEM). The NiO-yttria-stabilized zirconia (YSZ) nanocomposite layer, the electrolyte, and the cathode layers were fabricated by using pulsed laser deposition and exhibited various microstructures such as a dense microstructure with equiaxed grains, a dense microstructure with columnar grains, and a nanoporous and granular microstructure, depending on their material, deposition condition, and deposition surface. In addition, the TEM analysis revealed that the reaction buffer to suppress the chemical reaction of lanthanum strontium cobaltite and YSZ is required even for the low temperature fabrication and operation (≤650°C).

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Transmission electron microscopy study on microstructure and interfacial property of thin film electrolyte SOFC

Abstract

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