Regulating the charge diffusion of two-dimensional cobalt–iron hydroxide/graphene composites for high-rate water oxidation
Tang Tang, Wenjie Jiang, Lu‐Pan Yuan, Shuai Niu, Jin‐Song Hu, Li‐Jun Wan
Abstract
The importance of charge diffusion in electrocatalysts is shown by regulating the thickness of CoFe hydroxide nanosheets on graphene. The few-layer nanosheets allow effective charge diffusion, enabling a 2000 mA cm<sup>−2</sup> output at only 1.507 V cost in near-industrial conditions.
Topics & Concepts
GrapheneHydroxideCobalt hydroxideDiffusionMaterials scienceCobaltCharge (physics)Chemical engineeringComposite materialNanotechnologyInorganic chemistryChemistryElectrodeMetallurgyElectrochemistryPhysical chemistryThermodynamicsEngineeringQuantum mechanicsPhysicsElectrocatalysts for Energy ConversionAdvanced battery technologies researchCopper-based nanomaterials and applications