Characterization of LSGM films obtained by electrophoretic deposition (EPD) (Articolo in rivista)

Type
Label
  • Characterization of LSGM films obtained by electrophoretic deposition (EPD) (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Sora I.N., Pelosato R., Simone A., Montanaro L., Maglia F., Chiodelli G. (2006)
    Characterization of LSGM films obtained by electrophoretic deposition (EPD)
    in Solid state ionics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sora I.N., Pelosato R., Simone A., Montanaro L., Maglia F., Chiodelli G. (literal)
Pagina inizio
  • 1985 (literal)
Pagina fine
  • 1989 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 177 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Characterization of LSGM films obtained by electrophoretic deposition (EPD) (literal)
Abstract
  • The application of the electrophoretic deposition (EPD) technique to the preparation of high quality electrolyte films for intermediate temperature solid oxide fuel cells (IT-SOFCs) was investigated. Films of 0.83Sr0.17Ga0.83Mg0.17O2.83 (LSGM) were deposited on Pt and La0.8Sr0.2MnO3 (LSM) substrates from suspensions in acetone/ethanol (3:1 by volume) mixture solvent and sintered at 1300C. Pt supported LSGM films, 10–20 microns thick, exhibited good adhesion to the Pt substrate, well-distributed microporosity and some surface roughness. LSM supported films exhibited cracking after sintering at 1300C for 3 h. Up to 900C the bulk conductivity of the Pt supported LSGM film showed the same behaviour of LSGM pellet (Ea=0.93 eV and 0.99 eV, respectively). The LSGM film exhibited lower bulk electrical conductivity than the latter (4.1x10-3 and 4.4x10-2 ohm-1 cm-1, respectively, at 700 C). This difference should be ascribed to the slight Ga depletion in the LSGM film. An important issue remains the selection of adequate electrode for LSGM electrolyte films (literal)
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