气候变化领域集成服务门户(CCPortal): A modular strategy for decorating isolated cobalt atoms into multichannel carbon matrix for electrocatalytic oxygen reduction

CCPortal

DOI	10.1039/c8ee00901e
	A modular strategy for decorating isolated cobalt atoms into multichannel carbon matrix for electrocatalytic oxygen reduction
	Zhang H.; Zhou W.; Chen T.; Guan B.Y.; Li Z.; Lou X.W.
发表日期	2018
ISSN	17545692
起始页码	1980
结束页码	1984
卷号	11 期号:8
英文摘要	Single-atom catalysts (SACs) with their unique electronic and geometric structures usually exhibit extraordinary catalytic performance for many important chemical reactions. Herein, a modular strategy is used to decorate isolated cobalt sites into a multichannel carbon matrix (Co@MCM) with Co content of about 1.4 wt% for efficient electrochemical reduction of oxygen. As confirmed by X-ray absorption fine structure investigation, the pre-designed CoN4 configuration and geometric structure are well maintained in the newly developed Co@MCM. The decorated CoN4 units together with the multichannel carbon substrate with high conductivity and porosity endow the catalyst with excellent activity for the oxygen reduction reaction (ORR). Our findings not only present some fundamental insights for the accurate modulation of nanostructured catalysts at the atomic scale, but also reveal the structural origin of the enhanced catalytic activity. © 2018 The Royal Society of Chemistry.
英文关键词	Atoms; Carbon; Catalyst activity; Cobalt; Cobalt compounds; Electrolytic reduction; Geometry; Nanocatalysts; Oxygen; X ray absorption; Catalytic performance; Electrocatalytic oxygen reduction; Electrochemical reductions; Electronic and Geometric Structures; Enhanced catalytic activity; Nano-structured catalyst; Oxygen reduction reaction; X ray absorption fine structures; Nitrogen compounds; catalysis; catalyst; chemical reaction; cobalt; electrochemical method; heterocyclic oxygen compound; oxygen; performance assessment; reduction
语种	英语
来源期刊	Energy & Environmental Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/190160
作者单位	School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore; Department of Applied Physics, Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, Faculty of Science, Tianjin University, Tianjin, 300072, China; Beijing Synchrotron Radiation Facility (BSRF), Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
推荐引用方式 GB/T 7714	Zhang H.,Zhou W.,Chen T.,et al. A modular strategy for decorating isolated cobalt atoms into multichannel carbon matrix for electrocatalytic oxygen reduction[J],2018,11(8).
APA	Zhang H.,Zhou W.,Chen T.,Guan B.Y.,Li Z.,&Lou X.W..(2018).A modular strategy for decorating isolated cobalt atoms into multichannel carbon matrix for electrocatalytic oxygen reduction.Energy & Environmental Science,11(8).
MLA	Zhang H.,et al."A modular strategy for decorating isolated cobalt atoms into multichannel carbon matrix for electrocatalytic oxygen reduction".Energy & Environmental Science 11.8(2018).