One step production process for large area supporting cathode (Comunicazione a convegno)

Type
Label
  • One step production process for large area supporting cathode (Comunicazione a convegno) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Gondolini, Angela; Mercadelli, Elisa; Pinasco, Paola; Sanson, Alessandra (2011)
    One step production process for large area supporting cathode
    in European Fuel Cell - Piero Lunghi Conference & Exhibition, Rome, 14-16 December 2011
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gondolini, Angela; Mercadelli, Elisa; Pinasco, Paola; Sanson, Alessandra (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • CODICE PUMA: /cnr.istec/2011-A3-026 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-ISTEC, Faenza (literal)
Titolo
  • One step production process for large area supporting cathode (literal)
Abstract
  • Tape casting is a cheap and easily scalable shaping technique used to produce large-area, flat ceramic substrate for SOFC applications. To obtain elements with the desired porosity it is necessary adding a pore forming agent in the tape casting slurry. In this work, the possibility to obtain porous La0.8Sr0.2MnO3-Ce0.8Gd0.2O2 (LSM-GDC) supporting cathode without the use of pore formers was evaluated. The reactive sintering approach was therefore considered to exploit the porosity induced by the precursor decomposition during a single thermal treatment of calcining-debonding-sintering. Through this approach the La0.8Sr0.2MnO3 phase was formed directly during the sintering step. This process allowed to obtain 10x10 cm2 LSM-GDC tapes with values of mechanical strength, porosity and permeability suitable for fuel cells applications without pore former addition and in a single thermal step. To the author knowledge this is the first time that a large area supporting cathode has been produced by tape casting using the reactive sintering approach (literal)
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