Electrocatalytic water splitting with unprecedentedly low overpotentials by nickel sulfide nanowires stuffed into carbon nitride scabbards
Zaki N. Zahran, Eman A. Mohamed, Yuta Tsubonouchi, Manabu Ishizaki, Takanari Togashi, Masato Kurihara, Kenji Saito, Tatsuto Yui, Masayuki Yagi
Abstract
The unprecedentedly low overpotential of 32 mV for oxygen evolution was attained by forming a unique motif of NiS x nanowires stuffed into C 3 N 4 scabbards. With this system, electrocatalytic water splitting was demonstrated at the lowest overall overpotential of 72 mV.
Topics & Concepts
OverpotentialWater splittingOxygen evolutionNickelNanowireSulfideNickel sulfideNitrideCarbon nitrideChemical engineeringChemistryMaterials scienceNanotechnologyInorganic chemistryCatalysisElectrodeMetallurgyElectrochemistryLayer (electronics)Physical chemistryOrganic chemistryPhotocatalysisEngineeringElectrocatalysts for Energy ConversionAdvanced Photocatalysis TechniquesAdvanced battery technologies research