Method and system for purification of gas streams for solid oxide cells

Publication: ResearchPatent – Annual report year: 2011

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The present invention provides in embodiments a method for purification of inlet gas streams for a solid oxide cell operated in both, electrolysis and fuel cell mode, the solid oxide cell comprising at least a first electrode, an electrolyte and a second electrode, the method comprising the steps of: - providing at least one scrubber in the gas stream at the inlet side of the first electrode of the solid oxide cell; and/or providing at least one scrubber in the gas stream at the inlet side of the second electrode of the solid oxide cell; and - purifying the gas streams towards the first and second electrode; wherein the at least one scrubber in the gas stream at the inlet side of the first electrode and/or the at least one scrubber in the gas stream at the inlet side of the second electrode comprises a material suitable as an electrolyte material and a material suitable as an electrode material, and wherein the material suitable as an electrolyte material and a material suitable as an electrode material form triple phase boundaries similar to or identical to the triple phase boundaries of the electrode for which the gas stream is purified with the at least one scrubber.
Original languageEnglish
Publication date2011
Patent numberWO 2011101162
Date25/08/11
StatePublished
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