Cocktail effect in high-entropy perovskite oxide for boosting alkaline oxygen evolution
Jiace Hao, Fengjun Ma, Yu Chen, Shuanglong Lu, Fang Duan, Mingliang Du, Chenglong Wang, W. H. Zhang, Han Zhu
Abstract
The cocktail effect in La 0.5 Sr 0.5 Mn 0.15 Fe 0.15 Co 0.4 Ni 0.15 Cu 0.15 O 3 perovskite oxide hollow nanofibers leads to an excellent intrinsic activity for the alkaline oxygen evolution reaction (OER) with a small overpotential of 309 mV (10 mA cm −2 ).
Topics & Concepts
ChemistryOverpotentialOxygen evolutionOxidePerovskite (structure)OxygenAlkaline earth metalChemical engineeringInorganic chemistryAlkali metalPhysical chemistryCrystallographyElectrochemistryElectrodeOrganic chemistryEngineeringElectrocatalysts for Energy ConversionElectronic and Structural Properties of OxidesHigh Entropy Alloys Studies