Novel dual-phase Ce0.8Gd0.2O2−δ – Gd1-xCexFe1-yCoyO3 composite oxygen transport membrane
Liudmila Fischer,
Nawar Haddad,
Ke Ran,
Stefan Baumann,
Doris Sebold,
Joachim Mayer,
Jürgen Dornseiffer,
Arian Nijmeijer,
Olivier Guillon,
Wilhelm A. Meulenberg
Affiliations
Liudmila Fischer
Institute of Energy Materials and Decives IMD-2, Forschungszentrum Jülich GmbH 52425 Jülich, Germany; Corresponding authors.
Nawar Haddad
Faculty of Science and Technology, Inorganic Membranes, University of Twente 7500 AE Enschede, The Netherlands
Ke Ran
Central Facility for Electron Microscopy GFE, RWTH Aachen University 52074 Aachen, Germany; Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons ER-C, Forschungszentrum Jülich GmbH 52425 Jülich, Germany
Stefan Baumann
Corresponding authors.; Institute of Energy Materials and Decives IMD-2, Forschungszentrum Jülich GmbH 52425 Jülich, Germany
Doris Sebold
Institute of Energy Materials and Decives IMD-2, Forschungszentrum Jülich GmbH 52425 Jülich, Germany
Joachim Mayer
Central Facility for Electron Microscopy GFE, RWTH Aachen University 52074 Aachen, Germany; Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons ER-C, Forschungszentrum Jülich GmbH 52425 Jülich, Germany
Jürgen Dornseiffer
Institute of Energy Materials and Decives IMD-2, Forschungszentrum Jülich GmbH 52425 Jülich, Germany
Arian Nijmeijer
Faculty of Science and Technology, Inorganic Membranes, University of Twente 7500 AE Enschede, The Netherlands
Olivier Guillon
Institute of Energy Materials and Decives IMD-2, Forschungszentrum Jülich GmbH 52425 Jülich, Germany; Jülich Aachen Research Alliance: JARA-Energy 52425 Jülich, Germany
Wilhelm A. Meulenberg
Institute of Energy Materials and Decives IMD-2, Forschungszentrum Jülich GmbH 52425 Jülich, Germany; Faculty of Science and Technology, Inorganic Membranes, University of Twente 7500 AE Enschede, The Netherlands
Oxygen Transport Membranes with mixed oxygen ionic-electronic conductivity are investigated for in-situ oxygen separation in various processes such as oxy-combustion or catalytic membrane reactors enabling process intensification. Dual-phase composite membranes are of high interest due to the opportunity selecting thermo-chemical stable phases conducting oxygen ions and electrons separately. Recently, we reported a novel composite utilizing a donor doped gadolinium ferrite Gd0.85Ce0.15Fe0.75Co0.25O3 as electronic conductor. Here, the composition of this perovskite system is systematically varied and its structural as well as functional properties are investigated. Moreover, the option of a cobalt-free composition is investigated.
