Scale-up of Solid Oxide Fuel Cells with Magnetron Sputtered Electrolyte

Abstract

The possibility of fabricating large-area solid oxide fuel cells (SOFC) with thin film electrolyte using a commercial physical vapor deposition technology is investigated. Yttria-stabilized zirconia (YSZ)/gadolinium-doped ceria (GDC) bilayer electrolyte is successfully deposited on a 10 × 5 cm² commercial NiO/YSZ anode support by reactive magnetron sputtering. The microstructure of the fuel cells was studied by scanning electron microscopy. Current-voltage characteristics of fuel cells at a temperature of 750°C and their power stability under electrical load were investigated. Single cells with La_0.6Sr_0.4Co_0.2Fe_0.8O₃/ Gd_0.1Ce_0.9O_1.95 (LSCF/GDC) cathode had an open cell voltage of 1.14 V and a maximum power density of 490 mW cm⁻² at 750 °C using H₂/N₂ gas mixture as fuel and air as the oxidant. Three-cell planar SOFC stack using 10 × 5 cm² anode-supported unit cells with power density of 450 mW cm⁻² at a voltage of 0.7 V per cell has been assembled and tested.

Original language	English
Pages (from-to)	378-382
Number of pages	5
Journal	Fuel Cells
Volume	17
Issue number	3
DOIs	https://doi.org/10.1002/fuce.201600227
Publication status	Published - 1 Jun 2017

Keywords

Bilayer Electrolyte
Fuel Cells
Magnetron Sputtering
Stack Performance
Thin Films

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology

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10.1002/fuce.201600227

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title = "Scale-up of Solid Oxide Fuel Cells with Magnetron Sputtered Electrolyte",

abstract = "The possibility of fabricating large-area solid oxide fuel cells (SOFC) with thin film electrolyte using a commercial physical vapor deposition technology is investigated. Yttria-stabilized zirconia (YSZ)/gadolinium-doped ceria (GDC) bilayer electrolyte is successfully deposited on a 10 × 5 cm2 commercial NiO/YSZ anode support by reactive magnetron sputtering. The microstructure of the fuel cells was studied by scanning electron microscopy. Current-voltage characteristics of fuel cells at a temperature of 750°C and their power stability under electrical load were investigated. Single cells with La0.6Sr0.4Co0.2Fe0.8O3/ Gd0.1Ce0.9O1.95 (LSCF/GDC) cathode had an open cell voltage of 1.14 V and a maximum power density of 490 mW cm−2 at 750 °C using H2/N2 gas mixture as fuel and air as the oxidant. Three-cell planar SOFC stack using 10 × 5 cm2 anode-supported unit cells with power density of 450 mW cm−2 at a voltage of 0.7 V per cell has been assembled and tested.",

keywords = "Bilayer Electrolyte, Fuel Cells, Magnetron Sputtering, Stack Performance, Thin Films",

author = "Solovyev, {A. A.} and Lebedynskiy, {A. M.} and Shipilova, {A. V.} and Ionov, {I. V.} and Smolyanskiy, {E. A.} and Lauk, {A. L.} and Remnev, {G. E.} and Maslov, {A. S.}",

year = "2017",

month = jun,

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doi = "10.1002/fuce.201600227",

language = "English",

volume = "17",

pages = "378--382",

journal = "Fuel Cells",

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T1 - Scale-up of Solid Oxide Fuel Cells with Magnetron Sputtered Electrolyte

AU - Solovyev, A. A.

AU - Lebedynskiy, A. M.

AU - Shipilova, A. V.

AU - Ionov, I. V.

AU - Smolyanskiy, E. A.

AU - Lauk, A. L.

AU - Remnev, G. E.

AU - Maslov, A. S.

PY - 2017/6/1

Y1 - 2017/6/1

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AB - The possibility of fabricating large-area solid oxide fuel cells (SOFC) with thin film electrolyte using a commercial physical vapor deposition technology is investigated. Yttria-stabilized zirconia (YSZ)/gadolinium-doped ceria (GDC) bilayer electrolyte is successfully deposited on a 10 × 5 cm2 commercial NiO/YSZ anode support by reactive magnetron sputtering. The microstructure of the fuel cells was studied by scanning electron microscopy. Current-voltage characteristics of fuel cells at a temperature of 750°C and their power stability under electrical load were investigated. Single cells with La0.6Sr0.4Co0.2Fe0.8O3/ Gd0.1Ce0.9O1.95 (LSCF/GDC) cathode had an open cell voltage of 1.14 V and a maximum power density of 490 mW cm−2 at 750 °C using H2/N2 gas mixture as fuel and air as the oxidant. Three-cell planar SOFC stack using 10 × 5 cm2 anode-supported unit cells with power density of 450 mW cm−2 at a voltage of 0.7 V per cell has been assembled and tested.

KW - Bilayer Electrolyte

KW - Fuel Cells

KW - Magnetron Sputtering

KW - Stack Performance

KW - Thin Films

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