摘要
近年来,利用分子筛的热稳定性和择形性作为负载单原子金属催化剂的载体已成为催化领域的研究热点。该类催化剂可将催化活性中心原子利用率提高至理想的100%,显著改善催化性能。对分子筛负载单原子金属催化剂的合成方法、催化性能、结构表征及应用等方面进行了归纳总结与系统性分析和讨论,指出了单原子金属催化剂结构特点及其对应表征方法的主要进展。在此基础上,对分子筛负载单原子金属催化剂在规模化合成和先进表征等领域面临的挑战及研究前景进行了展望。
In recent years,zeolites are used as carriers for single-atom metal catalysts due to their thermal stability and shape selectivity,which has become a research hotspot in the field of catalysis.This type of catalysts can increase the utilization rate of active center atoms up to 100%,thus significantly enhancing catalytic performance.This paper summarizes and systematically analyzes the synthesis methods,catalytic performance,structural characterization,and applications of zeolite supported single-atom metal catalysts,and points out the structural characteristics of single-atom metal catalysts and the main progresses in their corresponding characterization methods.On this basis,it looks forward to the challenges and research prospects of zeolite supported single-atom metal catalysts in large-scale synthesis and advanced characterization.
作者
时骏
张成喜
陈强
SHI Jun;ZHANG Chengxi;CHEN Qiang(School of Chemical Engineering and Technology,Sun Yat-sen University,Zhuhai 519082,China;SINOPEC Research Institute of Petroleum Processing Co.,Ltd.,Beijing 100083,China)
出处
《石油学报(石油加工)》
北大核心
2025年第2期532-541,共10页
Acta Petrolei Sinica(Petroleum Processing Section)
基金
炼油工艺与催化剂国家工程研究中心(中石化石油化工科学研究院有限公司)开放课题基金资助。
关键词
分子筛
单原子催化
热稳定性
择形性
结构特征
催化性能
zeolite
single-atom catalysis
thermal stability
shape selectivity
structural characteristic
catalytic performance
