Gradual internal reforming of ethanol in solid oxide fuel cells
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Physics Procedia
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Electrolyte (yttria-stabilised zirconia, YSZ) supported solid oxide fuel cells (SOFCs) were fabricated using spin
coating of standard LSM cathode and Ni-YSZ cermet anode. A ceria-based catalytic layer was deposited onto the
anode with a special current collector design. Such a single cell configuration allows operation by gradual internal
reforming of direct carbon-containing fuels. First, the fabricated single cells were operated with hydrogen to
determine the optimised conditions of fuel concentration and flow rate regarding faradaïc efficiency. Then, the fuel
was switched to dry ethanol and the cells were operated for several hours (100 h) with good stability. Post-operation
electron microcopy analyses revealed no carbon formation in the anode layer. The results indicate that the gradual
internal reforming mechanism is effective, opening up the way to multi-fuel SOFCs, provided that a suitable catalyst
layer and cell design are available.
Como referenciar
NOBREGA, S.D.; FONSECA, F.C.; GELIN, P.; NORONHA, F.B.; GEORGES, S.; STEIL, M.C. Gradual internal reforming of ethanol in solid oxide fuel cells. Physics Procedia, v. 28, p. 28-36, 2012. Disponível em: http://repositorio.ipen.br/handle/123456789/8357. 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.