Engineering a local potassium cation concentrated microenvironment toward the ampere-level current density hydrogen evolution reaction
Lei Gao, Feixiang Bao, Xin Tan, Mengfan Li, Zhen Shen, Xuli Chen, Ziyi Tang, Wenchuan Lai, Yangfan Lu, Peifeng Huang, Chao Ma, Sean C. Smith, Zhizhen Ye, Zheng Hu, Hongwen Huang
Abstract
Finding an active and robust non-platinum catalyst toward the alkaline hydrogen evolution reaction (HER) operating at an ampere-level current density is important for emerging anion exchange membrane (AEM) water electrolysis but challenging.
Topics & Concepts
ElectrolysisAmpereCurrent densityHydrogenCurrent (fluid)PlatinumCatalysisElectrolysis of waterInorganic chemistryChemistryPotassiumExchange current densityIonChemical engineeringMaterials scienceElectrochemistryThermodynamicsPhysical chemistryEngineeringPhysicsElectrodeBiochemistryOrganic chemistryElectrolyteTafel equationQuantum mechanicsElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsAdvanced battery technologies research