Toward a Comprehensive Understanding of Cation Effects in Proton Exchange Membrane Fuel Cells
ChungHyuk Lee, Xiaohua Wang, Jui-Kun Peng, Adlai Katzenberg, Rajesh Ahluwalia, Ahmet Kusoglu, Siddharth Komini Babu, Jacob S. Spendelow, Rangachary Mukundan, Rod L. Borup
Abstract
preferentially resides in the electrode under wet operating conditions. Our results provide a first-of-its-kind mechanistic explanation for cation effects and inform strategies for mitigating these undesired effects when using alloy catalysts.
Topics & Concepts
Materials scienceProton exchange membrane fuel cellIonomerMembraneElectrochemistryElectrolyteConductivityElectrodeCatalysisLeaching (pedology)AlloyChemical engineeringFuel cellsInorganic chemistryComposite materialChemistryEnvironmental scienceSoil waterPhysical chemistrySoil scienceEngineeringPolymerBiochemistryCopolymerElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsAdvanced battery technologies research