Visualization and understanding of the degradation behaviors of a PEFC Pt/C cathode electrocatalyst using a multi-analysis system combining time-resolved quick XAFS, three-dimensional XAFS-CT, and same-view nano-XAFS/STEM-EDS techniques
Kotaro Higashi, Shinobu Takao, Gabor Samjeské, H. Matsui, Mizuki Tada, Tomoya Uruga, Yasuhiro Iwasawa
Abstract
We developed a multi-analysis system that can measure <italic>in situ</italic> time-resolved quick XAFS and <italic>in situ</italic> three-dimensional XAFS-CT in the same area of a cathode electrocatalyst layer in a membrane-electrode assembly of a polymer electrolyte fuel cell.
Topics & Concepts
X-ray absorption fine structureElectrocatalystCathodeMaterials scienceElectrolyteElectrodeFuel cellsVisualizationNanotechnologyChemistryComputer scienceElectrochemistryPhysicsChemical engineeringSpectroscopyPhysical chemistryEngineeringArtificial intelligenceQuantum mechanicsElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsSemiconductor materials and devices