Cathodic corrosion activated Fe-based nanoglass as a highly active and stable oxygen evolution catalyst for water splitting
Kaiyao Wu, Fei Chu, Yuying Meng, Kaveh Edalati, Qingsheng Gao, Wei Li, Huaijun Lin
Abstract
A new Fe<sub>78</sub>Si<sub>9</sub>B<sub>13</sub> nanoglass covered by <italic>in situ</italic> formed FeOOH as an OER catalyst for water splitting. Overpotential is only 240 mV at 10 mA cm<sup>−1</sup> in 1 M KOH, and the Tafel slope is 42 mV dec<sup>−1</sup>.
Topics & Concepts
Tafel equationOxygen evolutionOverpotentialCatalysisWater splittingCathodic protectionCorrosionMaterials scienceOxygenChemistryMetallurgyElectrochemistryPhysical chemistryElectrodeOrganic chemistryPhotocatalysisBiochemistryElectrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceSemiconductor materials and devices