Impregnation of nanoparticle scaffolds for syngas-fed solid oxide fuel cell anodes

  • Boldrin, P
  • Ruiz Trejo, E
  • Tighe, C
  • Chang, KC
  • Darr, J
  • Brandon, NP
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Publication date
July 2015
Publisher
The Electrochemical Society
ISSN
1938-6737
Journal
ECS Transactions
Language
English
Citation count (estimate)
2

Abstract

© The Electrochemical Society.A strategy for fabrication of solid oxide fuel cell anodes with improved porosity and lower sintering temperatures by impregnation of nanoparticle-containing porous scaffolds of ceria-gadolinia (CGO) has been developed. The CGO scaffolds are fabricated using a screen-printed ink containing nanoparticles and commercial particles of CGO and polymeric pore formers. Scanning electron microscopy and in situ ultra-small angle X-ray scattering show that incorporation of nanoparticles increases the porosity by allowing a reduction in sintering temperature. Electrochemical characterisation of symmetrical cells shows that the cells sintered at 1000°C possess similar electrode polarisation compared to those sintered at 13...

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