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Natural CuFe2O4 mineral for solid oxide fuel cells
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
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2017 (English)In: International journal of hydrogen energy, ISSN 0360-3199, E-ISSN 1879-3487, Vol. 42, no 27, 17514-17521 p.Article in journal (Refereed) Published
Abstract [en]

Natural mineral, cuprospinel (CuFe2O4) originated from natural chalcopyrite ore (CuFeS2), has been used for the first time in low temperature solid oxide fuel cells. Three different types of devices are fabricated to explore the optimum application of CuFe2O4 in fuel cells. Device with CuFe2O4 as a cathode catalyst exhibits a maximum power density of 180 mW/cm(2) with an open circuit voltage 1.07 V at 550 degrees C. And a power output of 587 mW/cm(2) is achieved from the device using a homogeneous mixture membrane of CuFe2O4, Li2O-ZnO-Sm0.2Ce0.8O2 and LiNi0.8Co0.15Al0.05O2. Electrochemical impedance spectrum analysis reveals different mechanisms for the devices. The results demonstrate that natural mineral, chalcopyrite, can provide a new implementation to utilize the natural resources for next generation fuel cells being cost-effective and make great contributions to the environmentally friendly sustainable energy.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 42, no 27, 17514-17521 p.
Keyword [en]
Natural mineral, Cuprospinel, Chalcopyrite, Cathodic catalyst, Low temperature solid oxide fuel cells
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-212942DOI: 10.1016/j.ijhydene.2017.01.039ISI: 000406725500059Scopus ID: 2-s2.0-85011585976OAI: oai:DiVA.org:kth-212942DiVA: diva2:1136110
Conference
2nd International Symposium on Catalytic Science and Technology in Sustainable, China
Funder
Swedish Research Council, 621-2011-4983
Note

QC 20170825

Available from: 2017-08-25 Created: 2017-08-25 Last updated: 2017-08-25Bibliographically approved

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  • apa
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