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Synthesis and electrochemical investigation of cubic structured Fe-doped-SrCoO3 nanocomposite cathode for LT-SOFC

Joint Event on 25th Nano Congress for Future Advancements & 12th Edition of International Conference on Nanopharmaceutics and Advanced Drug Delivery
August 16-18, 2018 | Dublin, Ireland

Ghazanfar Abbas

COMSATS Institute of Information Technology, Pakistan

Posters & Accepted Abstracts: Nano Res Appl

DOI: 10.21767/2471-9838-C3-015

Abstract

Low-temperature solid oxide fuel cell (LT-SOFC) is one of the most favorable energy conversion systems that are need of hour. The advancement in field of LT-SOFC requires a highly efficient, oxygen permeable, good electro-chemical cathode. The SCF (Sr0.3Co0.6Fe0.1) oxide composite cathode was prepared by environmental friendly sol-gel method. The crystal structure of prepared materials was analyzed by x-ray diffractometry, while structural characteristic were studied by Fourier transform infra-red spectroscopy (FTIR). The particle size was calculated by Scherer’s formula and found to be 36 nm. The results were also confirmed by SEM images. The prepared material showed porous coral reef like surface morphology in recorded scanning electron micrograph. The activation energy was calculated by Arrhenius curve that is 3.0×10-2 eV and highest electronic conductivity measured and calculated was 24.01 S/cm. SCF oxide cathode was tested for potential LT-SOFC between the range of 450ºC-650ºC temperature. The maximum current density and power density obtained at 650ºC was 887 mAcm-2 and 110 mWcm-2 respectively.

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