原位自模板合成Fe/Fe_(4)C@HC复合空心球及电催化氧还原研究  

Study on in-situ Self-template Synthesis of Fe/Fe_(4)C@HC Composite Hollow Spheres and Electrocatalytic Oxygen Reduction

作　　者：张小婷 杨欢 倪洋 刘果 陈国奇 靳晶 邱雨 Zhang Xiaoting;Yang Huan;Ni Yang;Liu Guo;Chen Guoqi;Jin Jing;Qiu Yu(College of Chemistry and Chemical Engineering,Yan'an University,Shaanxi,716000;Chongqing Grain and Oil Inspection and Supervision Institute,Chongqing,400026;Shanxi Beifang Xing'an Chemical Industry Co.,Ltd.,Shanxi,030023)

机构地区：[1]延安大学化学与化工学院,陕西716000 [2]重庆市粮油质量监督检验站,重庆400026 [3]山西北方兴安化工有限公司,山西030023

出　　处：《当代化工研究》2024年第9期169-171,共3页Modern Chemical Research

基　　金：延安大学博士科研启动项目“基于金属-载体强相互作用与表面结构调控构筑高效负载型催化剂及其在能源存储和转化中的应用”(项目编号:YAU202303849);延安大学博士科研启动项目“具有芯壳结构Na_(0.5)Bi_(0.5)Ti_(0.3)基储能陶瓷材料的温度稳定性”(项目编号:YAU202303828)。

摘　　要：化石燃料的过度依赖使人类面临着严重的能源和环境挑战,发展可再生绿色高效能源方式已成为当今社会一重大挑战。本文主要围绕Fe/Fe_(4)C@HC复合空心球催化剂的合成、表征及其电催化氧还原应用方面展开研究。采用原位自模板法合成Fe/Fe_(4)C@HC,通过XRD、SEM、TEM、EDS、XPS、BET等检测表征Fe/Fe_(4)C@HC的组成结构和微观形貌,对Fe/Fe_(4)C@HC的构效关系进行探索。电化学测试表明Fe/Fe_(4)C@HC材料具有优越的氧还原电催化性能,在氧还原催化领域具有一定的应用潜力。The excessive dependence on fossil fuels has made human beings face serious energy and environmental challenges,and the development of renewable,green and efficient energy methods has become a major challenge in today's society.This paper focuses on the synthesis and characterization of Fe/Fe_(4)C@HC composite hollow sphere catalyst and its application of electrocatalytic oxygen reduction.Fe/Fe_(4)C@HC was synthesized by in situ self-template method,and the constituent structure and micromorphology of Fe/Fe_(4)C@HC were characterized by detection of XRD,SEM,TEM,EDS,XPS,and BET,and the structure-activity relationship of Fe/Fe_(4)C@HC was explored.Electrochemical tests show that Fe/Fe_(4)C@HC materials have superior oxygen reduction electrocatalytic properties and certain application potential in the field of oxygen reduction catalysis.

关 键 词：原位模板法 Fe/Fe_(4)C@HC复合空心球 电催化 氧还原反应 

分 类 号：TB[一般工业技术]