Synthesis and characterization of electrolytes based on BaO-CeO2-GdO1.5 system for Intermediate Temperature Solid Oxide Fuel Cells

被引：45

作者：

Venkatasubramanian, A. ^{[1
]}

Gopalan, P. ^{[1
]}

Prasanna, T. R. S. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Met Engn & Mat Sci, Bombay 400076, Maharashtra, India

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2010年 / 35卷 / 10期

关键词：

Intermediate Temperature Solid; Oxide Fuel Cell; Composite electrolyte; Gadolinium-doped ceria; Gadolinium-doped barium cerate; YTTRIA-STABILIZED ZIRCONIA; DOPED BARIUM CERATE; IONIC-CONDUCTIVITY; CERIA; PROTON; GD; CONDUCTORS; BACE1-XSMXO3-ALPHA; MICROSTRUCTURE; CATHODE;

D O I：

10.1016/j.ijhydene.2010.02.037

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Composite electrolytes for Intermediate Temperature Solid Oxide Fuel Cell (ITSOFC) based on BaO-CeO2-GdO1.5 ternary system have been synthesized through conventional solid state reaction route. X-ray Diffraction (XRD) and Scanning Electron Microscope (SEM) studies confirm a two-phase microstructure. The bulk conductivity in air is found to increase with BaO content, in the temperature range of 150-250 degrees C, while the total conductivity in air at 800 degrees C decreases with BaO content. At 800 degrees C, the Open Cell Voltage (OCV) of Solid Oxide Fuel Cells (SOFCs) constructed using these electrolytes is higher than those for Ce0.8Gd0.2O1.9. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.

引用

页码：4597 / 4605

页数：9

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