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Microwave assisted sintering of gadolinium doped barium cerate electrolyte for intermediate temperature solid oxide fuel cells
Chandran Pradeep
Published in Elsevier Ltd
2016
Volume: 182
   
Pages: 520 - 525
Abstract
In Solid Oxide Fuel Cell (SOFC), electrolyte plays a vital role to increase the energy conversion efficiency. The main hurdle of such electrolyte in fuel cell is its higher operating temperature (1000 °C) which results in design limitation and higher fabrication cost. In order to reduce the operating temperature of SOFC, a suitable electrolyte has been prepared through co-precipitation method followed by microwave sintering of solid ceramic. The calcination temperature for the as-prepared powder was identified using Differential Scanning Calorimetry. The crystal structure of the sample was found to exhibit its orthorhombic perovskite structure. The particle size was determined using High-Resolution Transmission Electron Microscope with uniform in shape and size, match with XRD results and confirmed from structural analysis. Thus, the sample prepared via co-precipitation method and the solid ceramic sintered through microwave can be a promising electrolyte for fuel cells operated at intermediate temperature. © 2016 Elsevier B.V.
About the journal
JournalData powered by TypesetMaterials Chemistry and Physics
PublisherData powered by TypesetElsevier Ltd
ISSN02540584
Open AccessNo
Concepts (28)
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    Ceramic materials
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    Composite materials
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    Conversion efficiency
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    Coprecipitation
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    Crystal structure
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    Differential scanning calorimetry
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    Electrolytes
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    Energy conversion
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    Fuel cells
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    Gas fuel purification
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    MICROWAVE MATERIALS PROCESSING
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    MICROWAVES
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    Nanostructures
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    Particle size
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    Particle size analysis
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    Precipitation (chemical)
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    Sintering
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    Solid oxide fuel cells (sofc)
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    Temperature
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    Calcination temperature
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    Coprecipitation method
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    Doped barium cerate
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    Intermediate temperature solid oxide fuel cell
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    Intermediate temperatures
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    MICROWAVE PROCESSING
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    Operating temperature
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    ORTHORHOMBIC PEROVSKITE
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    Solid electrolytes