Constructing high-performance supercapacitors and electrochemical water splitting electrode materials through core–shell structured Co<sub>9</sub>S<sub>8</sub>@Ni(OH)<sub>2</sub>nanosheets
Songlin Xu, Rongda Zhao, Ruiyu Li, Jia Li, Jun Xiang, Fang-Yu Guo, Jingang Qi, Liang Liu, Fu‐Fa Wu
Abstract
The material demonstrates a specific capacitance of 844.8 C g −1 at a current density of 1 A g −1 . In addition, the hydrogen evolution reaction performance of the material is 92.7 mV at 10 mA cm −2 , with a Tafel slope of 147.86 mV dec −1 .
Topics & Concepts
Tafel equationSupercapacitorCapacitanceElectrochemistryElectrodeMaterials scienceCurrent densityCore (optical fiber)Exchange current densityWater splittingChemical engineeringChemistryComposite materialPhysical chemistryCatalysisPhysicsQuantum mechanicsBiochemistryPhotocatalysisEngineeringElectrocatalysts for Energy ConversionSupercapacitor Materials and FabricationAdvanced battery technologies research