A Highly Active Perovskite Electrode for the Oxygen Reduction Reaction Below 600 °C

被引：146

作者：

Zhou, Wei ^{[1
]}

Sunarso, Jaka ^{[2
]}

Zhao, Mingwen ^{[3
,4
]}

Liang, Fengli ^{[1
]}

Klande, Tobias ^{[5
]}

Feldhoff, Armin ^{[5
]}

机构：

[1] Univ Queensland, Sch Chem Engn, Brisbane, Qld 4072, Australia

[2] Deakin Univ, Inst Frontier Mat, Ctr Excellence Electromat Sci, ARC, Burwood, Vic 3125, Australia

[3] Shandong Univ, Sch Phys, Jinan 250100, Shandong, Peoples R China

[4] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Shandong, Peoples R China

[5] Leibniz Univ Hannover, Inst Phys Chem & Electrochem, D-30167 Hannover, Germany

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2013年 / 52卷 / 52期

基金：

澳大利亚研究理事会;

关键词：

cathode material; electrochemistry; oxygen reduction reaction; perovskite; solid oxide fuel cells; OXIDE FUEL-CELL; TEMPERATURE; PERFORMANCE; CATHODES; KINETICS;

D O I：

10.1002/anie.201307305

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The novel perovskite material, SrSc0.175Nb 0.025Co0.8O3-δ, shows a rapid bulk oxygen diffusion rate below 550 °C (see oxygen movement indicated by the black arrow). Incorporation as an oxygen reduction cathode into a samarium-doped ceria fuel cell enables exceptionally high electrochemical performance, indicated by a power density of 910 mW cm-2 at 500 °C. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：14036 / 14040

页数：5

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