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Pr2NiO4–Ag composite cathode for low temperature solid oxide fuel cells with ceria-carbonate composite electrolyte
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
Tianjin University, China. (Carbon and battery)
Tianjin University, China. (Carbon and battery)
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (fuel cell and solar cell)
2012 (English)In: International journal of hydrogen energy, ISSN 0360-3199, E-ISSN 1879-3487, Vol. 37, no 24, 19388-19394 p.Article in journal (Refereed) Published
Abstract [en]

Pr2NiO4-Ag composite was synthesized and evaluated as cathode component for low temperature solid oxide fuel cells based on ceria-carbonate composite electrolyte. X-ray diffraction analysis reveals that the formation of a single phase K2NiF4-type structure occurs at 1000 °C and Pr2NiO4-Ag composite shows chemically compatible with the composite electrolyte. Symmetrical cells impedance measurements prove that Ag displays acceptable electrocatalytic activity toward oxygen reduction reaction at the temperature range of 500-600 °C. Single cells with Ag active component electrodes present better electrochemical performances than those of Ag-free cells. An improved maximum power density of 695 mW cm-2 was achieved at 600 °C using Pr 2NiO4-Ag composite cathode, with humidified hydrogen as fuel and air as the oxidant. Preliminary results suggest that Pr 2NiO4-Ag composite could be adopted as an alternative cathode for low temperature solid oxide fuel cells.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 37, no 24, 19388-19394 p.
Keyword [en]
Ag nano-particle, Composite electrolyte, Impedance spectroscopy, K 2NiF4-type structure cathode, Low temperature solid oxide fuel cells
National Category
Chemical Engineering
Research subject
SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-82148DOI: 10.1016/j.ijhydene.2011.09.124ISI: 000313923900089Scopus ID: 2-s2.0-84869836792OAI: oai:DiVA.org:kth-82148DiVA: diva2:497986
Projects
nocofc
Funder
EU, FP7, Seventh Framework ProgrammeVinnovaStandUp
Note

QC 20130111

Available from: 2012-02-15 Created: 2012-02-11 Last updated: 2017-12-07Bibliographically approved

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CiteExportLink to record
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  • apa
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