Tailoring the Pt/ionomer interface for enhancing the local oxygen transport in proton exchange membrane fuel cells
Fengman Sun, Haijun Liu, Qian Di, Keyi Xu, Ming Chen, Haijiang Wang
Abstract
A specific Pt/ionomer interface with good oxygen mass-transfer characteristics is tailored by utilizing nano-SiO 2 to capture ionomer, and the mechanism for modulating Pt/ionomer interface to enhance local oxygen transport is elucidated.
Topics & Concepts
IonomerOxygenProton exchange membrane fuel cellInterface (matter)Fuel cellsChemical engineeringMembraneMaterials scienceOxygen transportChemistryComposite materialPolymerEngineeringOrganic chemistryBiochemistryCapillary numberCopolymerCapillary actionFuel Cells and Related MaterialsElectrocatalysts for Energy ConversionAdvanced battery technologies research