Anode-supported SOFCs with Y 2O 3-doped Bi 2O 3/Gd 2O 3-Doped CeO 2 composite electrolyte film

Y. J. Leng; S. H. Chan

doi:10.1149/1.2146668

Anode-supported SOFCs with Y ₂O ₃-doped Bi ₂O ₃/Gd ₂O ₃-Doped CeO ₂ composite electrolyte film

Y. J. Leng, S. H. Chan

Mechanical Engineering

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

27 Scopus citations

Abstract

Anode-supported solid oxide fuel cells (SOFCs) with a bilayered yttria-doped bismuth (YDB) and gadolinia-doped ceria (GDC) composite electrolyte film were developed. The cell with an YDB/GDC composite electrolyte film (84 μm GDC+16 μm YDB) showed an increase of 68-96 mV in open-circuit voltage in the operating temperature range of 700-500°C, compared with that with a single GDC electrolyte film (∼99 μm). Using Pt as the cathode, the cell with the YDB/GDC composite electrolyte also showed much lower electrode polarization resistance than that with the single GDC electrolyte and almost the same ohmic resistance as the latter. As a result of the combined effects of these factors, the cell with an YDB/GDC composite electrolyte can achieve 0.6∼1.5 times higher maximum power density than that with a single GDC electrolyte in the operating temperature range of 700-500°C.

Original language	English (US)
Pages (from-to)	A56-A59
Journal	Electrochemical and Solid-State Letters
Volume	9
Issue number	2
DOIs	https://doi.org/10.1149/1.2146668
State	Published - 2006

All Science Journal Classification (ASJC) codes

General Chemical Engineering
General Materials Science
Physical and Theoretical Chemistry
Electrochemistry
Electrical and Electronic Engineering

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title = "Anode-supported SOFCs with Y 2O 3-doped Bi 2O 3/Gd 2O 3-Doped CeO 2 composite electrolyte film",

abstract = "Anode-supported solid oxide fuel cells (SOFCs) with a bilayered yttria-doped bismuth (YDB) and gadolinia-doped ceria (GDC) composite electrolyte film were developed. The cell with an YDB/GDC composite electrolyte film (84 μm GDC+16 μm YDB) showed an increase of 68-96 mV in open-circuit voltage in the operating temperature range of 700-500°C, compared with that with a single GDC electrolyte film (∼99 μm). Using Pt as the cathode, the cell with the YDB/GDC composite electrolyte also showed much lower electrode polarization resistance than that with the single GDC electrolyte and almost the same ohmic resistance as the latter. As a result of the combined effects of these factors, the cell with an YDB/GDC composite electrolyte can achieve 0.6∼1.5 times higher maximum power density than that with a single GDC electrolyte in the operating temperature range of 700-500°C.",

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T1 - Anode-supported SOFCs with Y 2O 3-doped Bi 2O 3/Gd 2O 3-Doped CeO 2 composite electrolyte film

AU - Leng, Y. J.

AU - Chan, S. H.

PY - 2006

Y1 - 2006

N2 - Anode-supported solid oxide fuel cells (SOFCs) with a bilayered yttria-doped bismuth (YDB) and gadolinia-doped ceria (GDC) composite electrolyte film were developed. The cell with an YDB/GDC composite electrolyte film (84 μm GDC+16 μm YDB) showed an increase of 68-96 mV in open-circuit voltage in the operating temperature range of 700-500°C, compared with that with a single GDC electrolyte film (∼99 μm). Using Pt as the cathode, the cell with the YDB/GDC composite electrolyte also showed much lower electrode polarization resistance than that with the single GDC electrolyte and almost the same ohmic resistance as the latter. As a result of the combined effects of these factors, the cell with an YDB/GDC composite electrolyte can achieve 0.6∼1.5 times higher maximum power density than that with a single GDC electrolyte in the operating temperature range of 700-500°C.

AB - Anode-supported solid oxide fuel cells (SOFCs) with a bilayered yttria-doped bismuth (YDB) and gadolinia-doped ceria (GDC) composite electrolyte film were developed. The cell with an YDB/GDC composite electrolyte film (84 μm GDC+16 μm YDB) showed an increase of 68-96 mV in open-circuit voltage in the operating temperature range of 700-500°C, compared with that with a single GDC electrolyte film (∼99 μm). Using Pt as the cathode, the cell with the YDB/GDC composite electrolyte also showed much lower electrode polarization resistance than that with the single GDC electrolyte and almost the same ohmic resistance as the latter. As a result of the combined effects of these factors, the cell with an YDB/GDC composite electrolyte can achieve 0.6∼1.5 times higher maximum power density than that with a single GDC electrolyte in the operating temperature range of 700-500°C.

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Anode-supported SOFCs with Y ₂O ₃-doped Bi ₂O ₃/Gd ₂O ₃-Doped CeO ₂ composite electrolyte film

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