Ga-induced electronic structure engineering of NiFe<sub>2</sub>O<sub>4</sub> nanosheet arrays for stable and efficient oxygen evolution
Sijie Chen, Haijun Liao, Xiaocheng Xu, Rui Wang, Zhipeng Sun, Le Huang
Abstract
Ga-NiFe 2 O 4 is fabricated by a straightforward hydrothermal method and exhibits outstanding OER electroactivity with a low overpotential and excellent stability over an electrolysis period of 48 h even at a high current density of 400 mA cm −2 .
Topics & Concepts
OverpotentialNanosheetOxygen evolutionMaterials scienceHydrothermal circulationChemical engineeringCurrent densityElectrolysisOxygenNanotechnologyPhysical chemistryElectrodeChemistryElectrochemistryQuantum mechanicsEngineeringPhysicsElectrolyteOrganic chemistryElectrocatalysts for Energy ConversionSemiconductor materials and devicesCopper-based nanomaterials and applications