Polyvinylpyrrolidone gel based Pt/Ni(OH)<sub>2</sub> heterostructures with redistributing charges for enhanced alkaline hydrogen evolution reaction
Jin Li, Bo Li, He Huang, Shuo Yan, Changzhou Yuan, Naiteng Wu, Donglei Guo, Xianming Liu
Abstract
Based on the synergy between PVP gel and Pt/Ni(OH) 2 heterostructure, Pt/Ni(OH) 2 heterostructure encapsulated in PVP gel was synthesized with an overpotential of 12 mV, Tafel slope of 21.5 mV dec −1 , and stability for 50 h in alkaline solution.
Topics & Concepts
OverpotentialTafel equationPolyvinylpyrrolidoneHeterojunctionPelletChemistryMaterials scienceInorganic chemistryNuclear chemistryPhysical chemistryElectrodeElectrochemistryPolymer chemistryOptoelectronicsComposite materialElectrocatalysts for Energy ConversionAdvanced battery technologies researchAdvanced Photocatalysis Techniques