Degradation phenomena in PEMWE revealed by correlative electrochemical and nanostructure analysis
S.M. Finger, Birk Fritsch, Mingjian Wu, Leopold Lahn, Darius Hoffmeister, Johannes Will, Olga Kasian, Erdmann Spiecker, Simon Thiele, Anna T.S. Freiberg, Andreas Hutzler
Abstract
Correlative analysis reveals operational mode-dependent PEMWE degradation, highlighting Pt dissolution and Ir oxidation as key durability challenges.
Topics & Concepts
NanostructureDegradation (telecommunications)Materials scienceCorrelativeElectrochemistryDissolutionDurabilityChemical engineeringNanotechnologyElectrodeChemistryFuel Cells and Related MaterialsConducting polymers and applicationsGas Sensing Nanomaterials and Sensors