Highly Active and Thermally Stable Core-Shell Catalysts for Solid Oxide Fuel Cells (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Highly Active and Thermally Stable Core-Shell Catalysts for Solid Oxide Fuel Cells (Articolo in rivista) (literal)

Anno

• 2011-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1149/1.3571039 (literal)

Alternative label

• Kim, Ju-Sik; Wieder, Noah L.; Abraham, Ashley J.; Cargnello, Matteo; Fornasiero, Paolo; Gorte, Raymond J.; Vohs, John M. (2011)
  Highly Active and Thermally Stable Core-Shell Catalysts for Solid Oxide Fuel Cells
  in Journal of the Electrochemical Society
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Kim, Ju-Sik; Wieder, Noah L.; Abraham, Ashley J.; Cargnello, Matteo; Fornasiero, Paolo; Gorte, Raymond J.; Vohs, John M. (literal)

Pagina inizio

• B596 (literal)

Pagina fine

• B600 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 158 (literal)

Rivista

• Journal of the Electrochemical Society (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali

• 5 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 6 (literal)

Note

• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• University of Pennsylvania; Consiglio Nazionale delle Ricerche (CNR) (literal)

Titolo

• Highly Active and Thermally Stable Core-Shell Catalysts for Solid Oxide Fuel Cells (literal)

Abstract

• The effect of catalyst nanostructure on the performance of solid oxide fuel cell (SOFC) anodes prepared by infiltration of an electronic conductor (45 wt % La(0.8)Sr(0.2)Cr(0.5)Mn(0.5)O(3), LSCM) and a catalyst (1 wt % Pd and 9 wt % CeO(2)) into porous yttria-stabilized zirconia (YSZ) scaffolds was examined. When Pd and CeO(2) were added by classical infiltration with nitrate salts, the initial electrode impedance in 97% H(2)-3% H(2)O at 973 K was similar to 0.1 Omega cm(2); however, the impedance was found to increase significantly with time at 973 K and with heating to 1173 K. SEM images showed that the loss of performance coincided with a large increase in the size of the Pd crystallites. When Pd@CeO(2) dispersible core-shell structures obtained through self-assembly were infiltrated into the anode and used as the catalytic component, the initial performance was excellent and the activity was remarkably stable with time at 973 K and upon heating to 1173 K. The improved stability is shown to be the result of greatly suppressed particle-size growth for Pd@CeO(2) within the electrode structure. This study highlights the potential use of core-shell materials as stable structures in various fields of materials science and heterogeneous catalysis. (C)2011 The Electrochemical Society. [DOI: 10.1149/1.3571039] (literal)

Prodotto di

• Catalizzatori di seconda generazione per produzione di idrogeno mediante reforming di risorse rinnovabili (PM.P03.005.005) (Modulo)
• Institute of chemistry of organometallic compounds (ICCOM) (Istituto)

Autore CNR

• paolo Fornasiero (Unità di personale esterno)

Incoming links:

Prodotto

• Institute of chemistry of organometallic compounds (ICCOM) (Istituto)
• Catalizzatori di seconda generazione per produzione di idrogeno mediante reforming di risorse rinnovabili (PM.P03.005.005) (Modulo)

Autore CNR di

• paolo Fornasiero (Unità di personale esterno)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Journal of the Electrochemical Society (Rivista)