High performance of protonic solid oxide fuel cell with BaCo0.7Fe0.22Sc0.08O3−Δelectrode

Wei He; Rong hua Yuan; Fei fei Dong; Xue lian Wu; Meng Ni

doi:10.1016/j.ijhydene.2017.08.107

High performance of protonic solid oxide fuel cell with BaCo_0.7Fe_0.22Sc_0.08O_3−Δelectrode

Wei He, Rong hua Yuan, Fei fei Dong, Xue lian Wu, Meng Ni

Research output: Journal article publication › Journal article › Academic research › peer-review

16 Citations (Scopus)

Abstract

Proton conducting SOFCs (P-SOFCs) demonstrate advantages over oxygen-ion conducting SOFCs, such as less activation energies on ionic transport and higher fuel utilization efficiency. Central to the devices is a suitable cathode with high catalytic activity. Herein, a cubic perovskite BaCo0.7Fe0.22Sc0.08O3−δ(BCFSc) has been applied as the cathode in proton-conducting solid state fuel cell (SOFC) with BaZr0.1Ce0.7Y0.2O3−δ(BZCY) electrolyte. Peak power densities of 760, 591, 452 and 318 mW cm−2are obtained at 650, 600, 550 and 500 °C with humidified hydrogen as the fuel and air as the oxidant. A low polarization resistance of 0.05 Ω cm2under open circuit at 650 °C is observed.

Original language	English
Pages (from-to)	25021-25025
Number of pages	5
Journal	International Journal of Hydrogen Energy
Volume	42
Issue number	39
DOIs	https://doi.org/10.1016/j.ijhydene.2017.08.107
Publication status	Published - 28 Sept 2017

Keywords

Cathode
High performance
Low polarization resistance
Proton-conducting solid oxide fuel cell

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Fuel Technology
Condensed Matter Physics
Energy Engineering and Power Technology

UN SDGs

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

More information

10.1016/j.ijhydene.2017.08.107

http://hdl.handle.net/10397/95904

Cite this

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title = "High performance of protonic solid oxide fuel cell with BaCo0.7Fe0.22Sc0.08O3−Δelectrode",

abstract = "Proton conducting SOFCs (P-SOFCs) demonstrate advantages over oxygen-ion conducting SOFCs, such as less activation energies on ionic transport and higher fuel utilization efficiency. Central to the devices is a suitable cathode with high catalytic activity. Herein, a cubic perovskite BaCo0.7Fe0.22Sc0.08O3−δ(BCFSc) has been applied as the cathode in proton-conducting solid state fuel cell (SOFC) with BaZr0.1Ce0.7Y0.2O3−δ(BZCY) electrolyte. Peak power densities of 760, 591, 452 and 318 mW cm−2are obtained at 650, 600, 550 and 500 °C with humidified hydrogen as the fuel and air as the oxidant. A low polarization resistance of 0.05 Ω cm2under open circuit at 650 °C is observed.",

keywords = "Cathode, High performance, Low polarization resistance, Proton-conducting solid oxide fuel cell",

author = "Wei He and Yuan, {Rong hua} and Dong, {Fei fei} and Wu, {Xue lian} and Meng Ni",

year = "2017",

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T1 - High performance of protonic solid oxide fuel cell with BaCo0.7Fe0.22Sc0.08O3−Δelectrode

AU - He, Wei

AU - Yuan, Rong hua

AU - Dong, Fei fei

AU - Wu, Xue lian

AU - Ni, Meng

PY - 2017/9/28

Y1 - 2017/9/28

N2 - Proton conducting SOFCs (P-SOFCs) demonstrate advantages over oxygen-ion conducting SOFCs, such as less activation energies on ionic transport and higher fuel utilization efficiency. Central to the devices is a suitable cathode with high catalytic activity. Herein, a cubic perovskite BaCo0.7Fe0.22Sc0.08O3−δ(BCFSc) has been applied as the cathode in proton-conducting solid state fuel cell (SOFC) with BaZr0.1Ce0.7Y0.2O3−δ(BZCY) electrolyte. Peak power densities of 760, 591, 452 and 318 mW cm−2are obtained at 650, 600, 550 and 500 °C with humidified hydrogen as the fuel and air as the oxidant. A low polarization resistance of 0.05 Ω cm2under open circuit at 650 °C is observed.

AB - Proton conducting SOFCs (P-SOFCs) demonstrate advantages over oxygen-ion conducting SOFCs, such as less activation energies on ionic transport and higher fuel utilization efficiency. Central to the devices is a suitable cathode with high catalytic activity. Herein, a cubic perovskite BaCo0.7Fe0.22Sc0.08O3−δ(BCFSc) has been applied as the cathode in proton-conducting solid state fuel cell (SOFC) with BaZr0.1Ce0.7Y0.2O3−δ(BZCY) electrolyte. Peak power densities of 760, 591, 452 and 318 mW cm−2are obtained at 650, 600, 550 and 500 °C with humidified hydrogen as the fuel and air as the oxidant. A low polarization resistance of 0.05 Ω cm2under open circuit at 650 °C is observed.

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KW - High performance

KW - Low polarization resistance

KW - Proton-conducting solid oxide fuel cell

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