Evaluation of MIEC Ce0.8 Y0.1 Mn0.1 O2-δ Anode in Electrolyte-Supported SOFC

Hala T. Handal; Paul Addo; Aligul Buyukaksoy; Viola Birss; Venkataraman Thangadurai

doi:10.1149/2.0121611jes

Evaluation of MIEC Ce_0.8 Y_0.1 Mn_0.1 O_2-δ Anode in Electrolyte-Supported SOFC

Hala T. Handal, Paul Addo, Aligul Buyukaksoy, Viola Birss, Venkataraman Thangadurai

School of Chemistry

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

Abstract

In this study, the electrochemical performance of a single phase, mixed ion and electron conducting (MIEC) Ce_0.8 Y_0.1 Mn_0.1 O_2-δ (10CYMO) anode was evaluated using symmetrical half-cell and full-cell configurations under humidified H₂ , 10 ppm H₂S/H₂, and CH₄ . An yttria-stabilized zirconia (YSZ) electrolyte support layer was used in this work, as ac impedance spectroscopy revealed that the 10CYMO/YSZ/10CYMO cell gave the lowest area specific polarization resistance (ASR) of 0.23 Ωcm² at 800°C in wet H₂ , compared to La_0.8 Sr_0.2 Ga_0.8 Mg_0.2 O_3-δ (LSGM) and Zr_0.89 Sc_0.1 Ce_0.01 O_2-δ (ScSZ). Exposure of the 10CYMO anodes to 10 ppm H₂ S/H₂ , either in a half-cell or full cell configuration, showed slight enhancement on the electrochemical performance, which was explained using a concept describing the sulfur and ceria interaction. The performance of a 10CYMO/YSZ/La_0.8 Sr_0.2 MnO_3-δ- YSZ full cell was evaluated under 90%H₂ -N₂ /3%H₂ O, giving a power density of 75 mW/cm₂ at 800°C and is better than seen for other fluorite-based anodes reported in the literature.

Original language	English
Pages (from-to)	F3091-F3098
Journal	Journal of The Electrochemical Society
Volume	163
Issue number	11
DOIs	https://doi.org/10.1149/2.0121611jes
Publication status	Published - 2016

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@article{cfb510403cac4a7b8ce3d680614fa05f,

title = "Evaluation of MIEC Ce0.8 Y0.1 Mn0.1 O2-δ Anode in Electrolyte-Supported SOFC",

abstract = "In this study, the electrochemical performance of a single phase, mixed ion and electron conducting (MIEC) Ce0.8 Y0.1 Mn0.1 O2-δ (10CYMO) anode was evaluated using symmetrical half-cell and full-cell configurations under humidified H2 , 10 ppm H2S/H2, and CH4 . An yttria-stabilized zirconia (YSZ) electrolyte support layer was used in this work, as ac impedance spectroscopy revealed that the 10CYMO/YSZ/10CYMO cell gave the lowest area specific polarization resistance (ASR) of 0.23 Ωcm2 at 800°C in wet H2 , compared to La0.8 Sr0.2 Ga0.8 Mg0.2 O3-δ (LSGM) and Zr0.89 Sc0.1 Ce0.01 O2-δ (ScSZ). Exposure of the 10CYMO anodes to 10 ppm H2 S/H2 , either in a half-cell or full cell configuration, showed slight enhancement on the electrochemical performance, which was explained using a concept describing the sulfur and ceria interaction. The performance of a 10CYMO/YSZ/La0.8 Sr0.2 MnO3-δ- YSZ full cell was evaluated under 90%H2 -N2 /3%H2 O, giving a power density of 75 mW/cm2 at 800°C and is better than seen for other fluorite-based anodes reported in the literature.",

author = "Handal, {Hala T.} and Paul Addo and Aligul Buyukaksoy and Viola Birss and Venkataraman Thangadurai",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2016. Published by ECS.",

year = "2016",

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T1 - Evaluation of MIEC Ce0.8 Y0.1 Mn0.1 O2-δ Anode in Electrolyte-Supported SOFC

AU - Handal, Hala T.

AU - Addo, Paul

AU - Buyukaksoy, Aligul

AU - Birss, Viola

AU - Thangadurai, Venkataraman

PY - 2016

Y1 - 2016

N2 - In this study, the electrochemical performance of a single phase, mixed ion and electron conducting (MIEC) Ce0.8 Y0.1 Mn0.1 O2-δ (10CYMO) anode was evaluated using symmetrical half-cell and full-cell configurations under humidified H2 , 10 ppm H2S/H2, and CH4 . An yttria-stabilized zirconia (YSZ) electrolyte support layer was used in this work, as ac impedance spectroscopy revealed that the 10CYMO/YSZ/10CYMO cell gave the lowest area specific polarization resistance (ASR) of 0.23 Ωcm2 at 800°C in wet H2 , compared to La0.8 Sr0.2 Ga0.8 Mg0.2 O3-δ (LSGM) and Zr0.89 Sc0.1 Ce0.01 O2-δ (ScSZ). Exposure of the 10CYMO anodes to 10 ppm H2 S/H2 , either in a half-cell or full cell configuration, showed slight enhancement on the electrochemical performance, which was explained using a concept describing the sulfur and ceria interaction. The performance of a 10CYMO/YSZ/La0.8 Sr0.2 MnO3-δ- YSZ full cell was evaluated under 90%H2 -N2 /3%H2 O, giving a power density of 75 mW/cm2 at 800°C and is better than seen for other fluorite-based anodes reported in the literature.

AB - In this study, the electrochemical performance of a single phase, mixed ion and electron conducting (MIEC) Ce0.8 Y0.1 Mn0.1 O2-δ (10CYMO) anode was evaluated using symmetrical half-cell and full-cell configurations under humidified H2 , 10 ppm H2S/H2, and CH4 . An yttria-stabilized zirconia (YSZ) electrolyte support layer was used in this work, as ac impedance spectroscopy revealed that the 10CYMO/YSZ/10CYMO cell gave the lowest area specific polarization resistance (ASR) of 0.23 Ωcm2 at 800°C in wet H2 , compared to La0.8 Sr0.2 Ga0.8 Mg0.2 O3-δ (LSGM) and Zr0.89 Sc0.1 Ce0.01 O2-δ (ScSZ). Exposure of the 10CYMO anodes to 10 ppm H2 S/H2 , either in a half-cell or full cell configuration, showed slight enhancement on the electrochemical performance, which was explained using a concept describing the sulfur and ceria interaction. The performance of a 10CYMO/YSZ/La0.8 Sr0.2 MnO3-δ- YSZ full cell was evaluated under 90%H2 -N2 /3%H2 O, giving a power density of 75 mW/cm2 at 800°C and is better than seen for other fluorite-based anodes reported in the literature.

U2 - 10.1149/2.0121611jes

DO - 10.1149/2.0121611jes

M3 - Article

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