Construction of amorphous/crystalline Fe doped CoSe for effective electrocatalytic oxygen evolution
Wenjuan Chen, Qian Zhang, Youzheng Zhang, Youzheng Zhang, Caidi Han, Jinting Wu, Jian Gao, Xiaodong Zhu, Yong‐Chao Zhang, Yong‐Chao Zhang
Abstract
Herein, amorphous/crystalline Fe-doped CoSe was synthesized (Fe-CoSe/NF). It exhibited high OER performance of 269 mV@50 mA cm −2 and 280 mV@100 mA cm −2 . The Tafel slope is 38 mV dec −1 and can maintain high activity stably for more than 135 h.
Topics & Concepts
Tafel equationAmorphous solidOxygen evolutionDopingMaterials scienceOxygenChemical engineeringChemistryElectrodeCrystallographyOptoelectronicsPhysical chemistryElectrochemistryOrganic chemistryEngineeringElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsElectrochemical sensors and biosensors