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 La_0.6Sr_0.4Co_0.2Fe_0.8O₃/Ce_0.9Gd_0.1O₂ (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 language	English
Article number	012106
Journal	Journal of Physics: Conference Series
Volume	830
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/830/1/012106
Publication status	Published - 4 May 2017

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1088/1742-6596/830/1/012106

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Solid oxide fuel cell anode surface modification by magnetron sputtering of NiO/YSZ thin film. / Soloviev, Andrey Alexandrovich; Shipilova, A. V.; Ionov, I. V.; Smolyanskiy, E. A.; Lauk, A. L.; Kovalchuk, A. N.; Remnev, G. E.; Lebedynskiy, A. M.

In: Journal of Physics: Conference Series, Vol. 830, No. 1, 012106, 04.05.2017.

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

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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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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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