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Journal of Nanoscience Letters 2013, 3: 12
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Research Article
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Synthesis and microstructural investigation of Sr2Co2O5 as cathode and gadolinia doped ceria as electrolyte material for SOFC application
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Kapil Guptaa, Shubra Singhb, M. S. Ramachandra Raoa
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a Department of Physics and Nano-functional Materials and Technology Centre and
MSRC, Indian Institute of Technology Madras - 600036, Chennai, India
b Materials Science Centre, Indian Institute of Technology Kharagpur – 721302, India
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Abstract |
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One of the promising research areas in alternative energy technologies is solid oxide fuel cells (SOFC). Optimization and development of cell materials with the aim to reduce the operating temperature of SOFCs are the prime concerns of the research community. In the present work, cobalt-rich oxygen deficient perovskite material Sr2Co2O5 has been synthesized as cathode material for SOFCs. Gadolinia doped ceria (GDC) is prepared in both nano and bulk form to compare the effect of particle size of electrolyte. These materials have been characterized using X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM) and Raman spectroscopy.
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Keywords |
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Alternative energy; SOFCs; Oxide nanoparticles; Planar defects in HRTEM
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