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Electrochemical investigation of mixed metal oxide nanocomposite electrode for low temperature solid oxide fuel cell
KTH, Skolan för industriell teknik och management (ITM), Energiteknik. COMSATS Institute of Information Technology, Pakistan.
KTH, Skolan för industriell teknik och management (ITM), Energiteknik. COMSATS Institute of Information Technology, Pakistan.
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2017 (Engelska)Ingår i: International Journal of Modern Physics B, ISSN 0217-9792, Vol. 31, nr 27, artikel-id 1750193Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Zinc-based nanostructured nickel (Ni) free metal oxide electrode material Zn-0.60/CU0.20Mn0.20 oxide (CMZO) was synthesized by solid state reaction and investigated for low temperature solid oxide fuel cell (LTSOFC) applications. The crystal structure and surface morphology of the synthesized electrode material were examined by XRD and SEM techniques respectively. The particle size of ZnO phase estimated by Scherer's equation was 31.50 nm. The maximum electrical conductivity was found to be 12.567 S/cm and 5.846 S/cm in hydrogen and air atmosphere, respectively at 600 degrees C. The activation energy of the CMZO material was also calculated from the DC conductivity data using Arrhenius plots and it was found to be 0.060 and 0.075 eV in hydrogen and air atmosphere, respectively. The CMZO electrode-based fuel cell was tested using carbonated samarium doped ceria composite (NSDC) electrolyte. The three layers 13 mm in diameter and 1 mm thickness of the symmetric fuel cell were fabricated by dry pressing. The maximum power density of 728.86 mW/cm(2) was measured at 550 degrees C.

Ort, förlag, år, upplaga, sidor
WORLD SCIENTIFIC PUBL CO PTE LTD , 2017. Vol. 31, nr 27, artikel-id 1750193
Nyckelord [en]
Solid oxide fuel cell, anode, catalyst, power density
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URN: urn:nbn:se:kth:diva-217427DOI: 10.1142/S0217979217501934ISI: 000413771400006Scopus ID: 2-s2.0-85020444320OAI: oai:DiVA.org:kth-217427DiVA, id: diva2:1158173
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QC 20171117

Tillgänglig från: 2017-11-17 Skapad: 2017-11-17 Senast uppdaterad: 2017-11-17Bibliografiskt granskad

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Abbas, GhazanfarRaza, RizwanZhu, Bin
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Energiteknik
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International Journal of Modern Physics B
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