Electrochemical performance and carbon resistance comparison between Tin, Copper and Silver-Doped Nickel/Yttria-stabilized Zirconia Anodes SOFCs operated with Biogas

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Electrochemical performance and carbon resistance comparison between Tin, Copper and Silver-Doped Nickel/Yttria-stabilized Zirconia Anodes SOFCs operated with Biogas. / Jiang, Zeyu; Arifin, Nor Anisa; Mardle, Peter; Steinberger-Wilckens, Robert.

In: Journal of the Electrochemical Society, Vol. 166, No. 6, JESP-19-0488R, 05.04.2019, p. F393-F398.

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@article{978d271505fb4232ad3a25339c74c35e,
title = "Electrochemical performance and carbon resistance comparison between Tin, Copper and Silver-Doped Nickel/Yttria-stabilized Zirconia Anodes SOFCs operated with Biogas",
abstract = "Traditional Ni/YSZ anode SOFCs were modified by Sn, Cu and Ag by an infiltration method to obtain Sn-Ni, Cu-Ni and Ag-Ni alloy anode catalysts on the anode. The obtained maximum power density of Ni/YSZ, Sn-doped Ni/YSZ, Cu-doped Ni/YSZ, and Ag-Ni/YSZ cells fuelled by simulated biogas (14 mL min-1 CH4, 7mL min-1 CO2 and 7mL min-1 N2) at 750oC were 0.101, 0.272, 0.085 and 0.102 W cm-2 respectively. Stability tests of SOFCs inbiogas revealed that the stability of Sn-Ni/YSZ and Ag-Ni/YSZ cells in operation was greatly improved compared to the undoped Ni/YSZ cell. Both Sn-Ni/YSZ and Ag-Ni/YSZ cells stably operated for 48 h, but Ni/YSZ cell ceased operation after 19 h due to carbon deposition. The addition of small amount of Cu did not enhance the anti-coking ability. Other than with the severe carbon deposition on the Ni/YSZ anode surface, no observable fibrous carbon could be identified on the Sn-Ni/YSZ and Ag-Ni/YSZ anode surfaces.",
keywords = "SOFC, doping, carbon deposition, fuel cells - solid oxide, biogas operation, infiltration doping, solid oxide fuel cells",
author = "Zeyu Jiang and Arifin, {Nor Anisa} and Peter Mardle and Robert Steinberger-Wilckens",
year = "2019",
month = apr,
day = "5",
doi = "10.1149/2.1011906jes",
language = "English",
volume = "166",
pages = "F393--F398",
journal = "Journal of the Electrochemical Society",
issn = "0013-4651",
publisher = "Electrochemical Society",
number = "6",

}

RIS

TY - JOUR

T1 - Electrochemical performance and carbon resistance comparison between Tin, Copper and Silver-Doped Nickel/Yttria-stabilized Zirconia Anodes SOFCs operated with Biogas

AU - Jiang, Zeyu

AU - Arifin, Nor Anisa

AU - Mardle, Peter

AU - Steinberger-Wilckens, Robert

PY - 2019/4/5

Y1 - 2019/4/5

N2 - Traditional Ni/YSZ anode SOFCs were modified by Sn, Cu and Ag by an infiltration method to obtain Sn-Ni, Cu-Ni and Ag-Ni alloy anode catalysts on the anode. The obtained maximum power density of Ni/YSZ, Sn-doped Ni/YSZ, Cu-doped Ni/YSZ, and Ag-Ni/YSZ cells fuelled by simulated biogas (14 mL min-1 CH4, 7mL min-1 CO2 and 7mL min-1 N2) at 750oC were 0.101, 0.272, 0.085 and 0.102 W cm-2 respectively. Stability tests of SOFCs inbiogas revealed that the stability of Sn-Ni/YSZ and Ag-Ni/YSZ cells in operation was greatly improved compared to the undoped Ni/YSZ cell. Both Sn-Ni/YSZ and Ag-Ni/YSZ cells stably operated for 48 h, but Ni/YSZ cell ceased operation after 19 h due to carbon deposition. The addition of small amount of Cu did not enhance the anti-coking ability. Other than with the severe carbon deposition on the Ni/YSZ anode surface, no observable fibrous carbon could be identified on the Sn-Ni/YSZ and Ag-Ni/YSZ anode surfaces.

AB - Traditional Ni/YSZ anode SOFCs were modified by Sn, Cu and Ag by an infiltration method to obtain Sn-Ni, Cu-Ni and Ag-Ni alloy anode catalysts on the anode. The obtained maximum power density of Ni/YSZ, Sn-doped Ni/YSZ, Cu-doped Ni/YSZ, and Ag-Ni/YSZ cells fuelled by simulated biogas (14 mL min-1 CH4, 7mL min-1 CO2 and 7mL min-1 N2) at 750oC were 0.101, 0.272, 0.085 and 0.102 W cm-2 respectively. Stability tests of SOFCs inbiogas revealed that the stability of Sn-Ni/YSZ and Ag-Ni/YSZ cells in operation was greatly improved compared to the undoped Ni/YSZ cell. Both Sn-Ni/YSZ and Ag-Ni/YSZ cells stably operated for 48 h, but Ni/YSZ cell ceased operation after 19 h due to carbon deposition. The addition of small amount of Cu did not enhance the anti-coking ability. Other than with the severe carbon deposition on the Ni/YSZ anode surface, no observable fibrous carbon could be identified on the Sn-Ni/YSZ and Ag-Ni/YSZ anode surfaces.

KW - SOFC

KW - doping

KW - carbon deposition

KW - fuel cells - solid oxide

KW - biogas operation

KW - infiltration doping

KW - solid oxide fuel cells

U2 - 10.1149/2.1011906jes

DO - 10.1149/2.1011906jes

M3 - Article

VL - 166

SP - F393-F398

JO - Journal of the Electrochemical Society

JF - Journal of the Electrochemical Society

SN - 0013-4651

IS - 6

M1 - JESP-19-0488R

ER -