Lowering the sintering temperature of a SOFC by morphology control of the electrolyte powder
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Solid oxide fuel cells are fabricated by two-step sintering at low
temperature by controlling the morphology of the gadolinium-doped
cerium oxide (GDC) electrolyte powders. The GDC electrolyte was
synthesized by a hydrothermal route to obtain highly reactive
nanorods that can fully densify at temperatures around 1150 °C. The
developed system consists of the GDC electrolyte support,
lanthanum strontium cobalt ferrite (LSCF) cathode and Ni/GDC
anode. The electrolyte support was prepared by uniaxial die pressing
and sintered at 1150 °C, and fuel cells were obtained by co-sintering
electrode layers at the same temperature. The performance of the
cell was evaluated in hydrogen at intermediate temperatures (IT).
The experimental results indicate that high-performance IT-SOFC
can be obtained at low sintering temperatures by controlling the
morphology of electrolyte powder.
Como referenciar
MACHADO, M.; MORAES, L.P.R.; RODRIGUES, L.N.; RODRIGUES, T.S.; FONSECA, F.C. Lowering the sintering temperature of a SOFC by morphology control of the electrolyte powder. ECS Transactions, v. 91, n. 1, p. 1193-1199, 2019. DOI: 10.1149/09101.1193ecst. Disponível em: http://repositorio.ipen.br/handle/123456789/30855. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.