3DOM catalytic materials prepared by colloidal crystal template method and their deactivation resistance mechanisms in dry reforming of methane

SUI Wenkuan; WANG Zihan; LIU Xiangyang; LI Sha; YU Feng; YAN Xiaoliang

doi:10.12434/j.issn.2097-2547.20260101

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3DOM catalytic materials prepared by colloidal crystal template method and their deactivation resistance mechanisms in dry reforming of methane

更新时间：2026-06-11

- 3DOM catalytic materials prepared by colloidal crystal template method and their deactivation resistance mechanisms in dry reforming of methane
- Pages: 1-10(2026)
- 作者机构：
  
  太原理工大学化学与化工学院，山西太原 030024
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20260101
  CLC： TB383
- Received：04 March 2026，
  
  Revised：2026-04-01，
  
  Online First：08 June 2026，
- 稿件说明：
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隋文宽,王子涵,刘相洋等.胶体晶体模板法构筑3DOM催化材料及其甲烷干重整抗失活机制[J].低碳化学与化工,

SUI Wenkuan,WANG Zihan,LIU Xiangyang,et al.3DOM catalytic materials prepared by colloidal crystal template method and their deactivation resistance mechanisms in dry reforming of methane[J].Low-Carbon Chemistry and Chemical Engineering,
隋文宽,王子涵,刘相洋等.胶体晶体模板法构筑3DOM催化材料及其甲烷干重整抗失活机制[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20260101.

SUI Wenkuan,WANG Zihan,LIU Xiangyang,et al.3DOM catalytic materials prepared by colloidal crystal template method and their deactivation resistance mechanisms in dry reforming of methane[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20260101.

摘要

甲烷干重整（DRM）反应是将CH

和CO

转化为合成气的重要途径。然而，Ni基催化剂在反应过程中易发生积碳和烧结，从而失活。三维有序大孔（3DOM）材料具有孔径可调、孔道周期性排列且相互贯通的特点，在促进活性组分分散、强化传质和稳定金属颗粒等方面表现出明显优势，为提升Ni基催化剂抗失活性提供了可行思路。首先，概述了3DOM材料的可控制备，重点探究了胶体晶体模板法中模板微球制备、模板组装、前驱体填充和模板去除对3DOM材料孔径尺寸、有序性与骨架完整性的影响。然后，总结了3DOM材料通过强化传质、构筑氧空位与碱性位促进碳前驱体转化的抗积碳机制，以及通过孔道限域和增强金属-载体相互作用的抗烧结机制。最后，展望了3DOM材料的可控制备、结构分析和工程化应用的研究方向。

Abstract

Dry reforming of methane (DRM) is an important route for the conversion of CH

and CO

to syngas. However

i-based catalysts are prone to coke and sintering during the reaction process

leading to deactivation. Three-dimensional ordered macroporous (3DOM) materials

featuring tunable pore sizes and periodically arranged interconnected pore channels

offer significant advantages of promoting active-phase dispersion

enhancing mass transfer and stabilizing metal particles

thus providing feasible ideas for improving the deactivation resistance of Ni-based catalysts. Firstly

the controllable synthesis of 3DOM materials was outlined

with a focus on exploring the effects of template microsphere preparation

template assembly

precursor infiltration and template removal in the colloidal crystal template method on the pore size

orderliness

and framework integrity of 3DOM materials. Then

the coke resistance mechanisms of 3DOM materials

including enhancing mass transfer and the generation of oxygen vacancies and basic sites to promote the the conversion of carbon precursors

and sintering resistance mechanisms

including pore confinement and strengthening metal-support interactions

were summarized. Finally

the research directions for controlled preparation

structural analysis and engineering application of 3DOM materials were discussed.

关键词

Keywords

references

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