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CoFeZrAl-oxide based composite for advanced solid oxide fuel cells
Hubei Univ, Fac Phys & Elect Sci, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Wuhan 430062, Hubei, Peoples R China.;Royal Inst Technol, Dept Energy Technol, SE-10044 Stockholm, Sweden..
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Materials Sciences. Royal Inst Technol, Dept Energy Technol, SE-10044 Stockholm, Sweden..
Royal Inst Technol, Dept Energy Technol, SE-10044 Stockholm, Sweden..
Royal Inst Technol, Dept Energy Technol, SE-10044 Stockholm, Sweden..
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2016 (English)In: Electrochemistry communications, ISSN 1388-2481, E-ISSN 1873-1902, Vol. 73, 15-19 p.Article in journal (Refereed) Published
Abstract [en]

A novel CoFeZrAl-oxide (CFZA) consisted of FeAl2O4, Co3O4 and ZrO2 was prepared by an auto ignition process, displaying a typical morphology of nanorods. The corresponding fuel cell was constructed by using CFZA as the ion-conducting membrane, incorporated between two layers of Ni0.8Co0.15Al0.05Li-oxide pasted on nickel foam (Ni-NCAL), which was used as both electrodes and current collectors. The fuel cell presented an open circuit voltage of 1.07 V and maximum power density of 631 mW/cm(2) at 600 degrees C. The reduction of FeAl2O4 to oxygen-deficient FeAl2O4 (delta) under H-2 condition contributed to the ionic conduction, then the ionic conductor FeAl2O4 (-) (delta) composited with insulator ZrO2 to further enhance the ionic conductivity due to composite effect.

Place, publisher, year, edition, pages
2016. Vol. 73, 15-19 p.
Keyword [en]
CoFeZrAl-oxide, Solid oxide fuel cell, Ionic conduction, Nanocomposite
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:uu:diva-312051DOI: 10.1016/j.elecom.2016.10.005ISI: 000389203100004OAI: oai:DiVA.org:uu-312051DiVA: diva2:1062348
Funder
Swedish Research Council, 621-2011-4983EU, European Research Council, 303454
Available from: 2017-01-05 Created: 2017-01-04 Last updated: 2017-01-05Bibliographically approved

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