核壳纳米材料制备及其在CO/CO2热催化加氢中的应用

doi:10.11949/0438-1157.20211390

化工学报 ›› 2022, Vol. 73 ›› Issue (3): 990-1007.DOI: 10.11949/0438-1157.20211390

核壳纳米材料制备及其在CO/CO₂热催化加氢中的应用

金科^1,³(),王晨光^1,³,马隆龙²,张琦²()

^1.中国科学院广州能源研究所，中国科学院可再生能源重点实验室，广东广州 510640
^2.东南大学能源与环境学院，能源热转换及其过程测控教育部重点实验室，江苏南京 210096
^3.中国科学院大学，北京 100871

收稿日期:2021-09-27 修回日期:2021-11-29 出版日期:2022-03-15 发布日期:2022-03-14
通讯作者: 张琦
作者简介:金科（1993—），男，博士研究生，jinke@ms.giec.ac.cn
基金资助:
国家重点研发计划项目(2018YFB1501500);中国科学院战略性先导科技专项(XDA21060102);广东特支计划项目(2019TQ05L238);广东省珠江人才计划-本土创新科研人才项目(2017BT01N092)

Preparation of core-shell nanomaterials and their application in thermocatalytic hydrogenation of CO/CO₂

Ke JIN^1,³(),Chenguang WANG^1,³,Longlong MA²,Qi ZHANG²()

^1.Guangzhou Institute of Energy Conversion, CAS Key Laboratory of Renewable Energy, Guangzhou 510640, Guangdong, China
^2.Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, Jiangsu, China
^3.University of Chinese Academy of Sciences, Beijing 100871, China

Received:2021-09-27 Revised:2021-11-29 Online:2022-03-15 Published:2022-03-14
Contact: Qi ZHANG

摘要/Abstract

摘要：

采用多种包覆方法制备的核壳纳米材料具有许多优于单一材料的性能，其独特的核壳结构可产生出色的协同作用和新特性，现在已经广泛用于催化、吸附、储能与转化、药物传递和光学等领域。在CO/CO₂热催化加氢反应过程中，壳层包覆可对核体粒子表面进行修饰，如改变核体的表面电荷、官能团和反应特性等，从而提高核体的稳定性与分散性。核壳催化剂可形成封闭的内部微环境以富集反应物，提高反应速率和催化活性。部分核壳催化剂甚至还能实现接力催化，并提高体系内的能量利用率。主要介绍了核壳纳米材料的常用制备方法，不同类型壳层包覆的核壳催化剂在CO/CO₂热催化加氢中的应用进展，并对该领域的未来发展进行了展望。

关键词: 核壳催化剂, CO, CO₂, 费托合成, 加氢

Abstract:

The core-shell nanomaterials prepared by various coating methods have many properties that are better than those of a single material. Their unique core-shell structure can produce excellent synergistic effect and new characteristics, and have been widely used in catalysis, adsorption, energy storage and conversion, drug delivery and optics. In the process of CO/CO₂ thermocatalytic hydrogenation, shell coating can modify the surface of core particles, such as changing the surface charge, functional groups and reaction characteristics of the core, so as to improve the stability and dispersion of the core. Core-shell catalysts can form a closed internal microenvironment to enrich reactants, improve reaction rate and catalytic activity. Some core-shell catalysts can even realize relay catalysis and improve energy utilization in the system. The common preparation methods of core-shell nanomaterials and the application progress of core-shell catalysts coated with different types of shells in CO/CO₂thermocatalytic hydrogenation were mainly introduced, and the future development in this field was prospected.

Key words: core-shell catalyst, CO, CO₂, Fischer-Tropsch synthesis, hydrogenation

中图分类号:

O 643.3

金科, 王晨光, 马隆龙, 张琦. 核壳纳米材料制备及其在CO/CO₂热催化加氢中的应用[J]. 化工学报, 2022, 73(3): 990-1007.

Ke JIN, Chenguang WANG, Longlong MA, Qi ZHANG. Preparation of core-shell nanomaterials and their application in thermocatalytic hydrogenation of CO/CO₂[J]. CIESC Journal, 2022, 73(3): 990-1007.

图/表 4

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核壳纳米材料制备及其在CO/CO₂热催化加氢中的应用

Preparation of core-shell nanomaterials and their application in thermocatalytic hydrogenation of CO/CO₂

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