A direct ethanol anode for solid oxide fuel cell based on a chromite-manganite with catalytic ruthenium nanoparticles
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2012
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International Journal of Hydrogen Energy
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La0.75Sr0.25Cr0.50Mn0.50O3 (LSCM) perovskite was studied aiming at effective anodes for
direct (dry) ethanol fueled solid oxide fuel cells. Both the transport and catalytic properties
of LSCM were studied in compounds with partial substitutions of either Mn or Cr by Ru
(LSCM-Ru). X-ray diffraction data evidenced that single phase compounds were obtained at
1200 C, without significant structural distortions upon Ru addition. Under reducing
atmosphere both the exsolution of Ru nanoparticles to the surface of LSCM grains and
enhanced electronic conductivity of LSCM-Ru samples were observed. Solid oxide single
fuel cells tests showed that LSCM-Ru anodes have higher performance running on direct
ethanol than on hydrogen. Such an increase in fuel cell performance was correlated to both
the enhanced electronic transport and the catalytic properties of LSCM-Ru. The catalytic
tests revealed that Ru addition enhanced the stability of LSCM and suppressed carbon
deposition under ethanol, indicating that such compound is a promising anode for direct
ethanol solid oxide fuel cell.
Como referenciar
MONTEIRO, N.K.; NORONHA, F.B.; COSTA, L.O.O. da; LINARDI, M.; FONSECA, F.C. A direct ethanol anode for solid oxide fuel cell based on a chromite-manganite with catalytic ruthenium nanoparticles. International Journal of Hydrogen Energy, v. 37, n. 12, p. 9816-9829, 2012. Disponível em: http://repositorio.ipen.br/handle/123456789/8369. Acesso em: 09 May 2024.
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.