电化学2017，Vol.23Issue(6)：619-626,8.DOI:10.13208/j.electrochem.170113
超细Pd纳米线表层富Pt作为耐久性氧还原催化剂的研究
Core-shell Pd@Pt Ultrathin Nanowires as Durable Oxygen Reduction Electrocatalysts
摘要
Abstract
This paper describes a simple CO-assisted reduction approach for the controllable synthesis ofultrathin Pd nanowires along the one-dimensional (1D) direction.Ultrathin Pt films from one to several atomic layers were successfully decorated onto ultrathin Pd nanowires by utilizing Cu UPD deposition,and followed by in-situ redox replacement reaction of UPD Cu by Pt.The core-shell structure and composition of the Pd@Pt ultrathin nanowires have been verified using transmission electron microscopy and energy dispersive X-ray spectrometry.The core-shell Pd@Pt ultrathin nanowires exhibited comparative electrocatalytic activity and improved durability for the oxygen reduction reaction in comparison with commercial Pt black.The enhanced durability of the core-shell Pd@Pt catalyst could be ascribed to 1D structural stability.关键词
氧还原/电催化/Pd@Pt核壳结构/超细纳米线/耐久性Key words
oxygen reduction reaction/electrocatalysis/Pd core/Pt shell/ultrathin nanowire/durability分类
化学化工引用本文复制引用
王新,熊云杰,邹亮亮,黄庆红,邹志青,杨辉..超细Pd纳米线表层富Pt作为耐久性氧还原催化剂的研究[J].电化学,2017,23(6):619-626,8.基金项目
国家重点研发计划课题(No.2016YFB010201)和国家自然科学基金项目(No.21503262,No.21533005)资助 （No.2016YFB010201）
