Shape-controlled Ni supported GDC catalyst and its application in direct ethanol solid oxide fuel cells
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Matching catalytic activity with the high temperature heat
treatments required to process solid oxide fuel cells (SOFCs) can be
a challenge. Shape control is an interesting strategy to stabilize the
surface of nanoparticles during heat treatments. In this study, nickelbased catalysts supported on shape-controlled (nanorods and
nanocubes) gadolinium-doped cerium oxide (GDC) were evaluated
for direct ethanol SOFCs. The morphology of the support had a
significant effect on the catalytic activity. It was shown that the Ni
catalyst supported on the GDC nanorods maintained high catalytic
activity after heat treatments for catalytic layer sintering. Such
catalyst was applied as catalytic layer on a SOFC operating directly
on anhydrous ethanol at 700 °C. The fuel cell operated for more than
100 h under 0.6 V displaying consistent performance with no
indication of degradation from carbon deposition.
Como referenciar
MACHADO, M.; RODRIGUES, L.N.; VILELA, V.B.; FERLAUTO, A.S.; MORAES, T.; FONSECA, F.C. Shape-controlled Ni supported GDC catalyst and its application in direct ethanol solid oxide fuel cells. ECS Transactions, v. 111, n. 6, p. 1463-1472, 2023. DOI: 10.1149/11106.1463ecst. Disponível em: http://repositorio.ipen.br/handle/123456789/34231. Acesso em: 24 Mar 2026.
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.