Solid oxide fuel cell anode surface modification by magnetron sputtering of NiO/YSZ thin film

Andrey Alexandrovich Soloviev, A. V. Shipilova, I. V. Ionov, E. A. Smolyanskiy, A. L. Lauk, A. N. Kovalchuk, G. E. Remnev, A. M. Lebedynskiy

Research output: Contribution to journalArticle

Abstract

NiO/ZrO2-Y2O3 (NiO/YSZ) anode functional layers (AFL) with 16-60 vol.% of NiO were deposited onto NiO/YSZ anode substrates by magnetron sputtering, followed by annealing in air at 1200 °C. The optimal deposition conditions for NiO/YSZ were determined. NiO content in the films was varied by changing the oxygen flow rate during the sputtering process. The microstructure and phase composition of NiO/YSZ anode functional layer were studied by SEM and XRD methods. Anode functional layers were fully crystallized and comprised of grains up to 500 nm in diameter after reduction in hydrogen. Anode-supported solid oxide fuel cells (SOFC) with the diameter of 20 mm including the magnetron sputtered AFL, 4-microns thick YSZ electrolyte and La0.6Sr0.4Co0.2Fe0.8O3/Ce0.9Gd0.1O2 (LSCF/CGO) cathode were fabricated and tested. Electrochemical properties of the single fuel cells were investigated as a function of NiO volume content in AFL and AFL thickness.

Original languageEnglish
Article number012106
JournalJournal of Physics: Conference Series
Volume830
Issue number1
DOIs
Publication statusPublished - 4 May 2017

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cell anodes
solid oxide fuel cells
yttria-stabilized zirconia
magnetron sputtering
anodes
thin films
fuel cells
flow velocity
cathodes
sputtering
electrolytes
microstructure
scanning electron microscopy
annealing
air

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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title = "Solid oxide fuel cell anode surface modification by magnetron sputtering of NiO/YSZ thin film",
abstract = "NiO/ZrO2-Y2O3 (NiO/YSZ) anode functional layers (AFL) with 16-60 vol.{\%} of NiO were deposited onto NiO/YSZ anode substrates by magnetron sputtering, followed by annealing in air at 1200 °C. The optimal deposition conditions for NiO/YSZ were determined. NiO content in the films was varied by changing the oxygen flow rate during the sputtering process. The microstructure and phase composition of NiO/YSZ anode functional layer were studied by SEM and XRD methods. Anode functional layers were fully crystallized and comprised of grains up to 500 nm in diameter after reduction in hydrogen. Anode-supported solid oxide fuel cells (SOFC) with the diameter of 20 mm including the magnetron sputtered AFL, 4-microns thick YSZ electrolyte and La0.6Sr0.4Co0.2Fe0.8O3/Ce0.9Gd0.1O2 (LSCF/CGO) cathode were fabricated and tested. Electrochemical properties of the single fuel cells were investigated as a function of NiO volume content in AFL and AFL thickness.",
author = "Soloviev, {Andrey Alexandrovich} and Shipilova, {A. V.} and Ionov, {I. V.} and Smolyanskiy, {E. A.} and Lauk, {A. L.} and Kovalchuk, {A. N.} and Remnev, {G. E.} and Lebedynskiy, {A. M.}",
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T1 - Solid oxide fuel cell anode surface modification by magnetron sputtering of NiO/YSZ thin film

AU - Soloviev, Andrey Alexandrovich

AU - Shipilova, A. V.

AU - Ionov, I. V.

AU - Smolyanskiy, E. A.

AU - Lauk, A. L.

AU - Kovalchuk, A. N.

AU - Remnev, G. E.

AU - Lebedynskiy, A. M.

PY - 2017/5/4

Y1 - 2017/5/4

N2 - NiO/ZrO2-Y2O3 (NiO/YSZ) anode functional layers (AFL) with 16-60 vol.% of NiO were deposited onto NiO/YSZ anode substrates by magnetron sputtering, followed by annealing in air at 1200 °C. The optimal deposition conditions for NiO/YSZ were determined. NiO content in the films was varied by changing the oxygen flow rate during the sputtering process. The microstructure and phase composition of NiO/YSZ anode functional layer were studied by SEM and XRD methods. Anode functional layers were fully crystallized and comprised of grains up to 500 nm in diameter after reduction in hydrogen. Anode-supported solid oxide fuel cells (SOFC) with the diameter of 20 mm including the magnetron sputtered AFL, 4-microns thick YSZ electrolyte and La0.6Sr0.4Co0.2Fe0.8O3/Ce0.9Gd0.1O2 (LSCF/CGO) cathode were fabricated and tested. Electrochemical properties of the single fuel cells were investigated as a function of NiO volume content in AFL and AFL thickness.

AB - NiO/ZrO2-Y2O3 (NiO/YSZ) anode functional layers (AFL) with 16-60 vol.% of NiO were deposited onto NiO/YSZ anode substrates by magnetron sputtering, followed by annealing in air at 1200 °C. The optimal deposition conditions for NiO/YSZ were determined. NiO content in the films was varied by changing the oxygen flow rate during the sputtering process. The microstructure and phase composition of NiO/YSZ anode functional layer were studied by SEM and XRD methods. Anode functional layers were fully crystallized and comprised of grains up to 500 nm in diameter after reduction in hydrogen. Anode-supported solid oxide fuel cells (SOFC) with the diameter of 20 mm including the magnetron sputtered AFL, 4-microns thick YSZ electrolyte and La0.6Sr0.4Co0.2Fe0.8O3/Ce0.9Gd0.1O2 (LSCF/CGO) cathode were fabricated and tested. Electrochemical properties of the single fuel cells were investigated as a function of NiO volume content in AFL and AFL thickness.

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