Alkyl-substituted poly(arylene piperidinium) membranes enhancing the performance of high-temperature polymer electrolyte membrane fuel cells
Jingyuan Li, Congrong Yang, Xiaoming Zhang, Zhangxun Xia, Suli Wang, Shansheng Yu, Gongquan Sun
Abstract
Alkyl-substituted poly(arylene piperidinium) membranes can modulate the content and distribution of phosphoric acid. The peak power density of HT-PEMFCs reaches 1.5 W cm −2 , the maximum performance reported under 120 °C.
Topics & Concepts
AryleneMembranePhosphoric acidElectrolyteAlkylMaterials sciencePolymer chemistryPolymerChemical engineeringConductivityChemistryComposite materialOrganic chemistryArylPhysical chemistryElectrodeMetallurgyEngineeringBiochemistryFuel Cells and Related MaterialsElectrocatalysts for Energy ConversionAdvancements in Solid Oxide Fuel Cells