Nano-scale control of the ionomer distribution by molecular masking of the Pt surface in PEMFCs
Gisu Doo, Seongmin Yuk, Ji Hye Lee, Sun-Gyu Choi, Dong‐Hyun Lee, Dong Wook Lee, Jonghyun Hyun, Sung Hyun Kwon, Seung Geol Lee, Hee‐Tak Kim
Abstract
A new strategy for controlling the ionomer distribution in the catalyst layer of a polymer electrolyte membrane fuel cell, the molecular masking of Pt catalyst particles, is presented to achieve efficient three phase boundaries for the ORR.
Topics & Concepts
IonomerMasking (illustration)PolymerCatalysisElectrolyteMaterials scienceMembraneNano-Layer (electronics)Fuel cellsPhase (matter)Chemical engineeringNanotechnologyComposite materialChemistryCopolymerElectrodeOrganic chemistryPhysical chemistryEngineeringArtBiochemistryVisual artsFuel Cells and Related MaterialsElectrocatalysts for Energy ConversionAdvanced battery technologies research