La0.6Sr0.4Co0.2Fe0.8O3 as the anode and cathode for intermediate temperature solid oxide fuel cells

被引：69

作者：

Hartley, A ^{[1
]}

Sahibzada, M ^{[1
]}

Weston, M ^{[1
]}

Metcalfe, IS ^{[1
]}

Mantzavinos, D ^{[1
]}

机构：

[1] Univ Edinburgh, Sch Chem Engn, Edinburgh EH9 3JL, Midlothian, Scotland

来源：

CATALYSIS TODAY | 2000年 / 55卷 / 1-2期

关键词：

solid oxide fuel cells; perovskite; oxygen stoichiometry; solid electrolyte; coulometry; temperature programmed techniques; methane oxidation;

D O I：

10.1016/S0920-5861(99)00239-4

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The perovskite material La0.6Sr0.4Co0.2Fe0.8O3 (LSCF-6428) has been considered as both the anode and cathode in solid oxide fuel cells (SOFCs) operating at intermediate temperatures (550-700 degrees C). Solid electrolyte coulometry (SEC) has been used to measure the oxygen non-stoichiometry as a function of temperature and ambient oxygen partial pressure, thus enabling kinetic data relating to oxygen transport in cathodes to be correlated with the material oxygen vacancy concentration. The catalytic activity towards methane oxidation, and susceptibility to deactivation through carbon deposition have both been investigated by temperature programmed methods, and compared with data for the conventional Ni/YSZ anode material. (C)2000 Elsevier Science B.V. All rights reserved.

引用

页码：197 / 204

页数：8

共 8 条

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