Hierarchical porous NiFe-P@NC as an efficient electrocatalyst for alkaline hydrogen production and seawater electrolysis at high current density
Dongzhi Chen, Qichang Li, Huimin Xiang, Yue Wang, Pengfei Yan, Chunlong Dai, Huadong Zhang, Weiping Xiao, Zexing Wu, Lei Wang
Abstract
The TNiFe-P@NC presented excellent HER performance with an overpotential of 40 mV at 10 mA cm −2 and excellent stability in KOH solution. An assembled NiFe-P@NC||NiFe-P@NC electrolyzer could drive 100/500 mA cm −2 in alkaline seawater electrolyte at 1.77/1.93 V.
Topics & Concepts
OverpotentialElectrolysisElectrocatalystSeawaterElectrolyteAlkaline water electrolysisCurrent densityMaterials scienceElectrolysis of waterChemical engineeringCurrent (fluid)Inorganic chemistryHydrogen productionPorosityHydrogenChemistryElectrodeElectrochemistryComposite materialPhysical chemistryOrganic chemistryOceanographyQuantum mechanicsPhysicsEngineeringGeologyElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsAdvanced battery technologies research