MW-Assisted polyol mediated synthesis of gadolinium-doped ceria nanopowders (Contributo in atti di convegno)

Type
Label
  • MW-Assisted polyol mediated synthesis of gadolinium-doped ceria nanopowders (Contributo in atti di convegno) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Mercadelli E.; Gondolini A.; Sanson A.; Albonetti S.; Boldrini S. (2010)
    MW-Assisted polyol mediated synthesis of gadolinium-doped ceria nanopowders
    in 9th European Solid Oxide Fuell Cell Forum, Lucerna
    (literal)
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  • Mercadelli E.; Gondolini A.; Sanson A.; Albonetti S.; Boldrini S. (literal)
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  • In: SOFC Forum - 9th European Solid Oxide Fuell Cell Forum (Lucerna, 29 June-2 July 2010). Proceedings, pp. P072-1 - P072-7. European Fuel Cell Forum (ed.). ©EFCF, 2010. (literal)
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  • ABSTRACT: Gadolinia-doped ceria (GDC) is one of the most promising electrolyte for intermediate temperature solid oxide fuel cells (SOFCs). In particular, the production of GDC as nanopowders leads to an higher reactivity that allows better performances, milder sintering conditions and lower production costs. However, nanopowders can be produced only by carefully tailoring their production process. The choice and optimization of the synthesis process is therefore a key step for the production of powders suitable for efficient SOFC components. In this work nanocrystalline GDC (Ce0.8Gd0.2O2-delta ) particles were successfully obtained by one-step microwave-assisted synthesis from a diethylene glycol solution of metal nitrates under mild conditions (170°C, 1 atm). The as-prepared powder showed good crystallinity with specific surface area of 50 m2/g. The sintering and electrochemical properties were compared with a nanometric commercial powder. The MW-produced powder showed an improved si (literal)
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  • CNR-ISTEC, Faenza, Dip. Chimica industriale e dei Materiali, Viale Risorgimento 4, 40136 Bologna, Italy - INSTM, Research Unit of Bologna, Italy, CNR-IENI, Padova (literal)
Titolo
  • MW-Assisted polyol mediated synthesis of gadolinium-doped ceria nanopowders (literal)
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