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ZnO/NiO nanocomposite electrodes for low-temperature solid oxide fuel cells
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
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2011 (English)In: Electrochemistry communications, ISSN 1388-2481, E-ISSN 1873-1902, Vol. 13, no 9, 917-920 p.Article in journal (Refereed) Published
Abstract [en]

ZnO/NiO nanocomposite electrodes have successfully been developed using a cost-effective method, and for the first time used in LT-SOFCs at 300-600 degrees C. They exhibit high conductivity and a dual catalytic functionality in both the cathode and the anode for the electrochemical reduction of O(2) and oxidation of H(2), respectively. An excellent fuel cell performance, e.g. a maximum power density of 1107 W cm(-2), has been shown for a symmetrical fuel cell that contained ZnO/NiO nanocomposite electrodes at 500 degrees C. To our knowledge, to date this is by far the highest power density achieved at this temperature.

Place, publisher, year, edition, pages
2011. Vol. 13, no 9, 917-920 p.
Keyword [en]
ZnO/NiO, Nanocomposites, Composite electrodes, SOFCs
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-159796DOI: 10.1016/j.elecom.2011.05.032ISI: 000294940600006OAI: oai:DiVA.org:uu-159796DiVA: diva2:447011
Available from: 2011-10-10 Created: 2011-10-10 Last updated: 2011-10-10Bibliographically approved

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