Christodoulos Chatzichristodoulou (Inventor), Peter Vang Hendriksen (Inventor), Søren Preben Vagn Foghmoes (Inventor), Sandrine Ricote (Inventor), Andreas Kaiser (Inventor), Julie Classcock (Inventor), Shiyang Cheng (Inventor)

Research output: Patent


The invention describes a new class of highly stable mixed conducting materials based on acceptor doped cerium oxide (CeO2-8 ) in which the limiting electronic conductivity is significantly enhanced by co-doping with a second element or co- dopant, such as Nb, W and Zn, so that cerium and the co-dopant have an ionic size ratio between 0.5 and 1. These materials can thereby improve the performance and extend the range of operating conditions of oxygen permeation membranes (OPM) for different high temperature membrane reactor applications. The invention also relates to the manufacturing of supported thin film membrane devices using these materials.
Original languageEnglish
Patent numberWO2014059992
Filing date24/04/2014
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date19/10/2012
Priority numberEP20120189205
Publication statusPublished - 2014

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