Composite membranes consisting of acidic carboxyl-containing polyimide and basic polybenzimidazole for high-temperature proton exchange membrane fuel cells
Erli Qu, Geng Cheng, Min Xiao, Dongmei Han, Sheng Huang, Zhiheng Huang, Wei Liu, Shuanjin Wang, Yuezhong Meng
Abstract
A novel acid-base HT-PEM consisting of PI-COOH and OPBI was prepared. The OPBI-50PI-COOH composite membrane delivered superior cell performance and durability under low PA uptake due to the continuous hydrogen bond network between OPBI and PI-COOH.
Topics & Concepts
PolyimideProton exchange membrane fuel cellMembranePolymer chemistryComposite numberBase (topology)Hydrogen bondDurabilityChemistryProtonChemical engineeringFuel cellsMaterials scienceOrganic chemistryMoleculeComposite materialBiochemistryLayer (electronics)Quantum mechanicsMathematical analysisPhysicsMathematicsEngineeringFuel Cells and Related MaterialsElectrocatalysts for Energy ConversionAdvancements in Solid Oxide Fuel Cells