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Novel catalytic electrodes for high performance solid oxide fuel cells operated at intermediate temperatures
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology. Haerbin University of Engineering, China.
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology.
2007 (English)In: High-Performance Ceramics IV, Pts 1-3, Trans Tech Publications Inc., 2007, 428-433 p.Conference paper, Published paper (Refereed)
Abstract [en]

The all-ceria-composite ITSOFCs have demonstrated extraordinary fuel cell performances since the ceria-composite electrodes are very catalytic and conductive, and the ceria-composite electrolytes are highly conductive and also electrolytic, in addition to excellent compatibility between the electrolyte and electrodes based on the same ceria-based composite materials. The power density outputs from 200 to 800 mWcm -2, were obtained for temperatures between 400 and 700°C. The maximum power density 0.72 Wcm -2 (1500 mAcm -2) at 600°C and 0.82 Wcm -2 (1800 mAcm -2) at 700°C were achieved, respectively. These highly catalytic electrodes functioned extensively for many different fuels, such as hydrogen and hydrocarbon fuels, e.g., natural gas, coal gas, methanol and ethanol etc. In some special cases, the ITSOFCs with the ceria-composite electrodes could also work at as low as 200°C. All these good performances are based on the novel catalyst function of the ceria-composite electrodes and internal reforming mechanism.

Place, publisher, year, edition, pages
Trans Tech Publications Inc., 2007. 428-433 p.
Series
Key Engineering Materials, ISSN 1013-9826 ; 336-338
Keyword [en]
Catalytic electrodes, Solid oxide fuel cells
National Category
Ceramics
Identifiers
URN: urn:nbn:se:kth:diva-155652DOI: 10.4028/www.scientific.net/KEM.336-338.428ISI: 000246148000123Scopus ID: 2-s2.0-33947211278ISBN: 978-0-87849-410-1 (print)OAI: oai:DiVA.org:kth-155652DiVA: diva2:764380
Conference
4th China International Conference on High-Performance Ceramics (CICC-4), October 23-26, 2005, Chengdu, China
Note

QC 20141119

Available from: 2014-11-19 Created: 2014-11-07 Last updated: 2014-11-19Bibliographically approved

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CiteExportLink to record
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