Pulsed laser deposition of La0.6Sr0.4CoO 3-δ-Ce0.9Gd0.1O2-δ nano-composite and its application to gradient-structured thin-film cathode of SOFC

Doo Hwan Myung; Jaeyeon Hwang; Jongill Hong; Hae Weon Lee; Byung Kook Kim; Jong Ho Lee; Ji Won Son

doi:10.1149/1.3599925

Pulsed laser deposition of La_0.6Sr_0.4CoO _3-δ-Ce_0.9Gd_0.1O_2-δ nano-composite and its application to gradient-structured thin-film cathode of SOFC

Doo Hwan Myung, Jaeyeon Hwang, Jongill Hong, Hae Weon Lee, Byung Kook Kim, Jong Ho Lee, Ji Won Son

Department of Materials Science and Engineering

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

26 Citations (Scopus)

Abstract

Overcoming the structural instability of a single-phase thin-film-processed cathode by replacing it with a cathode-electrolyte composite thin-film cathode is presented. The effect of the deposition materials change from a single-phase lanthanum strontium cobaltite (LSC) to a LSC-gadolinia-doped ceria (GDC) composite and the influence of the variations of pulsed laser deposition (PLD) parameters on thin-film cathode microstructures are discussed. By introducing the cathode-electrolyte composite concept to the thin-film deposition and employing a gradient cathode structure, the adhesion of the interface between the thin-film cathode and the electrolyte could be enhanced and as a result, much improved stability of high-temperature performance and structure of the thin-film-processed cathode could be obtained.

Original language	English
Pages (from-to)	B1000-B1006
Journal	Journal of the Electrochemical Society
Volume	158
Issue number	8
DOIs	https://doi.org/10.1149/1.3599925
Publication status	Published - 2011 Aug

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

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

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title = "Pulsed laser deposition of La0.6Sr0.4CoO 3-δ-Ce0.9Gd0.1O2-δ nano-composite and its application to gradient-structured thin-film cathode of SOFC",

abstract = "Overcoming the structural instability of a single-phase thin-film-processed cathode by replacing it with a cathode-electrolyte composite thin-film cathode is presented. The effect of the deposition materials change from a single-phase lanthanum strontium cobaltite (LSC) to a LSC-gadolinia-doped ceria (GDC) composite and the influence of the variations of pulsed laser deposition (PLD) parameters on thin-film cathode microstructures are discussed. By introducing the cathode-electrolyte composite concept to the thin-film deposition and employing a gradient cathode structure, the adhesion of the interface between the thin-film cathode and the electrolyte could be enhanced and as a result, much improved stability of high-temperature performance and structure of the thin-film-processed cathode could be obtained.",

author = "Myung, {Doo Hwan} and Jaeyeon Hwang and Jongill Hong and Lee, {Hae Weon} and Kim, {Byung Kook} and Lee, {Jong Ho} and Son, {Ji Won}",

year = "2011",

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volume = "158",

pages = "B1000--B1006",

journal = "Journal of the Electrochemical Society",

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}

Pulsed laser deposition of La_0.6Sr_0.4CoO _3-δ-Ce_0.9Gd_0.1O_2-δ nano-composite and its application to gradient-structured thin-film cathode of SOFC. / Myung, Doo Hwan; Hwang, Jaeyeon; Hong, Jongill; Lee, Hae Weon; Kim, Byung Kook; Lee, Jong Ho; Son, Ji Won.

In: Journal of the Electrochemical Society, Vol. 158, No. 8, 08.2011, p. B1000-B1006.

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

TY - JOUR

T1 - Pulsed laser deposition of La0.6Sr0.4CoO 3-δ-Ce0.9Gd0.1O2-δ nano-composite and its application to gradient-structured thin-film cathode of SOFC

AU - Myung, Doo Hwan

AU - Hwang, Jaeyeon

AU - Hong, Jongill

AU - Lee, Hae Weon

AU - Kim, Byung Kook

AU - Lee, Jong Ho

AU - Son, Ji Won

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AB - Overcoming the structural instability of a single-phase thin-film-processed cathode by replacing it with a cathode-electrolyte composite thin-film cathode is presented. The effect of the deposition materials change from a single-phase lanthanum strontium cobaltite (LSC) to a LSC-gadolinia-doped ceria (GDC) composite and the influence of the variations of pulsed laser deposition (PLD) parameters on thin-film cathode microstructures are discussed. By introducing the cathode-electrolyte composite concept to the thin-film deposition and employing a gradient cathode structure, the adhesion of the interface between the thin-film cathode and the electrolyte could be enhanced and as a result, much improved stability of high-temperature performance and structure of the thin-film-processed cathode could be obtained.

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