An abnormal size effect enables ampere-level O<sub>2</sub>electroreduction to hydrogen peroxide in neutral electrolytes
Shan Ding, Baokai Xia, Ming Li, Fengqian Lou, Chi Cheng, Tianqi Gao, Yu-Xiang Zhang, Kang Yang, Lili Jiang, Zhihao Nie, Hongxin Guan, Jingjing Duan, Sheng Chen
Abstract
An abnormal size effect was used to drive two-electron oxygen electroreduction, where large-size ZnO outperform its small-size counterpart, demonstrating ∼100% selectivity to H 2 O 2 up to ampere-level current densities in neutral electrolytes.
Topics & Concepts
ElectrolyteAmpereHydrogen peroxideSelectivityHydrogenChemistryOxygenInorganic chemistryCurrent (fluid)Analytical Chemistry (journal)Materials scienceElectrodePhysicsPhysical chemistryThermodynamicsCatalysisChromatographyOrganic chemistryElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsCO2 Reduction Techniques and Catalysts