OER highly active encapsulants to improve the electrochemical anticorrosion of Fe–N–C for ultralong-lifespan and high-rate rechargeable zinc–air batteries
Jiale Li, Niu Huang, Minghui Lv, Na Su, Chao Li, Yingping Huang, Yongye Wang, Yong Zheng, Wei Liu, Tianyi Ma, Liqun Ye
Abstract
Oxygen catalytic activity: Δ E = 0.52 V. Carbon corrosion was alleviated by: (1) encapsulation by LDH that preferentially catalyzes OER and (2) depressing radical generation via fast disproportionation and electro-reduction/oxidation of peroxide.
Topics & Concepts
Oxygen evolutionDisproportionationElectrochemistryMaterials scienceZincOxygen reductionPeroxideCatalysisCorrosionChemical engineeringChemistryElectrodeMetallurgyOrganic chemistryEngineeringPhysical chemistryElectrocatalysts for Energy ConversionAdvanced battery technologies researchAdvanced Photocatalysis Techniques