Experimental investigations of proton/oxygen vacancy/hole mixed conducting perovskites
Selected papers:
Margarita Nowakowska, Rotraut Merkle, Juliusz Dabrowa, Marek Zajusz, and Konrad Swierczek
Studies of proton uptake in triple-conducting BaySr1-y(Fe0.75Mo0.25)1-2xZrxZnxO3-δ perovskites
J Mater Chem A, in revision, 2026.
Christian Berger, Tolga Acartürk, Ulrich Starke, Joachim Maier, and Rotraut Merkle
Ion transport in dry and hydrated Ba0.95La0.05(Fe1-xYx)O3-δ and implications for oxygen electrode kinetics of protonic ceramic cells
J. Mat.Chem. A, 13 21575-21588, (2025).
DOI: DOI:10.1039/d5ta03014e
Christina Nader, Judith Lammer, Andreas Egger, Christian Berger, Werner Sitte, Werner Grogger, Rotraut Merkle, Joachim Maier, and Edith Bucher
Phase composition and proton uptake of acceptor doped self-generated Ba(Ce,Fe)O3-δ – Ba(Fe,Ce)O3-δ composites
Solid State Ionics 406, 116474 (2024).
DOI: 10.1016/j.ssi.2024.116474
R. Merkle, M. F. Hödl, G. Raimondi, R. Zohourian, and J. Maier
Oxides with mixed protonic and electronic conductivity
Annual Reviews 51, 461–493 (2021).
DOI: 10.1146/annurev-matsci-091819-010219
R. Zohourian, R. Merkle, G. Raimondi, and J. Maier
Mixed-Conducting Perovskites as Cathode Materials for Protonic Ceramic Fuel Cells: Understanding the Trends in Proton Uptake
Advanced Functional Materials 28(35), 1801241(1–10) (2018).
DOI: 10.1002/adfm.201801241
D. Poetzsch, R. Merkle, and J. Maier
Oxygen Reduction at Dense Thin-Film Microelectrodes on a Proton-Conducting Electrolyte: I. Considerations on Reaction Mechanism and Electronic Leakage Effects
Journal of The Electrochemical Society 162(9), F939–F950 (2015).
DOI: 10.1149/2.0951508jes
D. Poetzsch, R. Merkle, and J. Maier
Investigation of oxygen exchange kinetics in proton-conducting ceramic fuel cells: Effect of electronic leakage current using symmetric cells
Journal of Power Sources 242, 784–789 (2013).
DOI: 10.1016/j.jpowsour.2013.05.108