<i>In situ</i> techniques reveal the true capabilities of SOFC cathode materials and their sudden degradation due to omnipresent sulfur trace impurities
Christoph Riedl, Matthäus Siebenhofer, Andreas Nenning, Alexander Schmid, Maximilian Weiß, Christoph Rameshan, Andreas Limbeck, Markus Kubicek, Alexander Karl Opitz, Jürgen Fleig
Abstract
In this study, the effect of sulphur contamination on pristine SOFC cathode materials is revealed by in situ impedance spectroscopy directly after growth inside the PLD chamber (i-PLD) and ambient pressure XPS measurements (AP-XPS).
Topics & Concepts
ImpurityTRACE (psycholinguistics)Degradation (telecommunications)SulfurCathodeIn situEnvironmental scienceMaterials scienceEnvironmental chemistryChemical engineeringAnalytical Chemistry (journal)ChemistryMetallurgyEngineeringElectrical engineeringPhysical chemistryOrganic chemistryPhilosophyLinguisticsAdvancements in Solid Oxide Fuel CellsElectronic and Structural Properties of OxidesFuel Cells and Related Materials