Promoting interfacial charge transfer by B/N co-doping enables efficient ORR catalysis of carbon-encapsulated Fe<sub>2</sub>N
Zhihui Xie, Qiaoling Li, Xingkai Peng, Xuewei Wang, Lingli Guo, Xinghua Zhang, Zunming Lu, Xiaojing Yang, Xiaofei Yu, Lanlan Li
Abstract
B/N co-doping carbon shell encapsulated Fe 2 N nanoparticles to catalyze ORR. Pyridinic-N and C–N–B sites are active sites to facilitate electron traverse from the Fe 2 N to the carbon shell, and tailor the electronic properties of the carbon layer towards high ORR activity.
Topics & Concepts
TraverseCarbon fibersDopingNanoparticleElectron transferCatalysisMaterials scienceShell (structure)Chemical engineeringSulfurCharge (physics)ChemistryNanotechnologyPhysical chemistryOrganic chemistryComposite numberComposite materialMetallurgyOptoelectronicsPhysicsQuantum mechanicsGeodesyEngineeringGeographyElectrocatalysts for Energy ConversionAdvancements in Battery MaterialsSupercapacitor Materials and Fabrication