Magnetron sputtered LSC thin films for solid oxide fuel cell application

E. A. Smolyanskiy, S. A. Linnik, I. V. Ionov, A. V. Shipilova, V. A. Semenov, A. L. Lauk, A. A. Solovyev

Research output: Contribution to journalConference article

Abstract

In this study, La0.6Sr0.4CoO3-δ (LSC) thin films were deposited by pulsed DC magnetron sputtering at oblique angle of the LSC target. The effect of post-annealing temperature in the range of 600-1000°C on the film crystalline structure was investigated. The phase composition, crystalline structure and surface morphology of the films were determined using X-ray diffraction, scanning electron microscopy and atomic force microscopy, respectively. Anode-supported solid oxide fuel cells (SOFCs) with bi-layered thin-film yttria-stabilized zirconia (YSZ) / gadolinium-doped ceria (GDC) electrolyte and an LSC thin film interlayer were fabricated. Polarization curves were measured in the temperature range from 700 to 800°C. It was shown that the LSC interlayer improves SOFC power density. Our results demonstrate that magnetron sputtering provides a low-temperature synthesis route for realizing thin LSC films for intermediate-temperature SOFCs.

Original languageEnglish
Article number032080
JournalJournal of Physics: Conference Series
Volume1115
Issue number3
DOIs
Publication statusPublished - 27 Nov 2018
Event6th International Congress on Energy Fluxes and Radiation Effects 2018, EFRE 2018 - Tomsk, Russian Federation
Duration: 16 Sep 201822 Sep 2018

Fingerprint

solid oxide fuel cells
thin films
interlayers
magnetron sputtering
gadolinium
yttria-stabilized zirconia
temperature
radiant flux density
anodes
direct current
routes
atomic force microscopy
electrolytes
scanning electron microscopy
annealing
curves
polarization
synthesis
diffraction
x rays

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Magnetron sputtered LSC thin films for solid oxide fuel cell application. / Smolyanskiy, E. A.; Linnik, S. A.; Ionov, I. V.; Shipilova, A. V.; Semenov, V. A.; Lauk, A. L.; Solovyev, A. A.

In: Journal of Physics: Conference Series, Vol. 1115, No. 3, 032080, 27.11.2018.

Research output: Contribution to journalConference article

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AU - Smolyanskiy, E. A.

AU - Linnik, S. A.

AU - Ionov, I. V.

AU - Shipilova, A. V.

AU - Semenov, V. A.

AU - Lauk, A. L.

AU - Solovyev, A. A.

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N2 - In this study, La0.6Sr0.4CoO3-δ (LSC) thin films were deposited by pulsed DC magnetron sputtering at oblique angle of the LSC target. The effect of post-annealing temperature in the range of 600-1000°C on the film crystalline structure was investigated. The phase composition, crystalline structure and surface morphology of the films were determined using X-ray diffraction, scanning electron microscopy and atomic force microscopy, respectively. Anode-supported solid oxide fuel cells (SOFCs) with bi-layered thin-film yttria-stabilized zirconia (YSZ) / gadolinium-doped ceria (GDC) electrolyte and an LSC thin film interlayer were fabricated. Polarization curves were measured in the temperature range from 700 to 800°C. It was shown that the LSC interlayer improves SOFC power density. Our results demonstrate that magnetron sputtering provides a low-temperature synthesis route for realizing thin LSC films for intermediate-temperature SOFCs.

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