Method for the direct oxidation and/or internal reforming of ethanol, solid oxide fuel cell for direct oxidation and/or internal reforming of ethanol, catalyst and multifunctional electrocatalytic anode for direct oxidation and/or internal
OwnerPaulo Emilio Valadao De Miranda, Selma Aparecida Venancio +1inventors
InventorsPaulo Emilio Valadao De Miranda, Selma Aparecida Venancio, Hugo Vilela De Miranda
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Abstract
The present invention relates to the direct oxidation and/or internal reforming of ethanol and/or mixtures of ethanol and water, in a solid oxide fuel cell, with multifunctional electrocatalytic anodes having specific features, on the basis of mixed oxides and metal oxides and catalysts, preferably with a perovskite-like crystalline structure.
Claims23
Process for the direct oxidation and/or internal reforming of ethanol fuel cells using solid oxide, comprising use of a fuel cell including a multifunctional electrocatalytic solid oxide anode having a chemical composition based on and cerium aluminate (Ce1-xMxAl1-yNyO3), where M represents a chemical element selected from Sr and Ca;
- x represents a content in the range of approximately 0 to 50 mol %, N represents a chemical element selected from Mn, Cr, and Co, and y represents a content in the range of approximately 0 to 50 mol %, the multifunctional electrocatalytic anode having a perovskite-type structure with a functional layer that is 100% Ce1-xMxAl1-yNyO3 and a functional layer having a composition in the range of approximately 5-50% by weight of Ce1-xMxAl1-yNyO3 and 95-50% by weight of yttria stabilized zirconia, and the fuel cell is fed with complex fuels, to produce electricity, heat, water and/or ethylene through direct oxidation and/or internal reforming.
A solid oxide fuel cell for direct oxidation and/or internal reforming of fuels, comprising a multifunctional electrocatalytic anode having a chemical composition based on cerium aluminate (Ce1-xMxAl1-yNyO3), where M represents a chemical element selected from Sr and Ca, x represents a content in the range of approximately 0 to 50 mol %, N represents a chemical element selected from Mn, Cr, and Co, and y represents a content in the range of approximately 0 to 50 mol %, and the multifunctional electrocatalytic anode having a perovskite-type structure with a functional layer that is 100% Ce1-xMxAl1-yNyO3 and a functional layer having a composition in the range of approximately 5-50% by weight of Ce1-xMxAl1-yNyO3 and 95-50% by weight of yttria stabilized zirconia, wherein the fuel cell is fed with complex fuels for the production of electric energy, heat, water, and/or ethylene via an internal reforming and/or direct oxidation and dehydration.
Dependencies are inferred from the claim text.