Homologous NiCoP@NiFeP heterojunction array achieving high-current hydrogen evolution for alkaline anion exchange membrane electrolyzers
Yingxia Zhao, Ming Sun, Qunlei Wen, Shuzhe Wang, Shengbo Han, Leheng Huang, Gao Cheng, Youwen Liu, Lin Yu
Abstract
The homologous heterojunction array was constructed to achieve dual-regulation for charge distribution and mass transport. In a real AEM electrolyzer, our catalysts surpassed RuO 2 ‖Pt/C activity at high current (1000 mA cm −2 @ ∼1.93 V) over 100 h.
Topics & Concepts
ElectrolysisHeterojunctionHomologous seriesCatalysisChemistryDual (grammatical number)IonCurrent (fluid)Materials scienceInorganic chemistryElectrodeOptoelectronicsElectrical engineeringPhysical chemistryOrganic chemistryElectrolyteEngineeringLiteratureArtElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsAdvanced battery technologies research