Study on CO<sub>2</sub> adsorption performances of nitrogen-doped porous hypercrosslinked polymers

LI Jixu; LI Zesong; SHI Mingjuan; XU Liheng

doi:10.12434/j.issn.2097-2547.20250160

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Study on CO₂ adsorption performances of nitrogen-doped porous hypercrosslinked polymers

更新时间：2026-03-19

- Study on CO₂ adsorption performances of nitrogen-doped porous hypercrosslinked polymers
- Vol. 51, Issue 3, Pages: 78-84(2026)
- 作者机构：
  
  1.中国计量大学能源环境与安全工程学院，浙江杭州 310018
  2.宁波市计量测试研究院，浙江宁波 315048
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20250160
  CLC： TQ424.3
- Received：08 April 2025，
  
  Revised：2025-05-17，
  
  Published：25 March 2026
- 稿件说明：
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李继续,李泽松,石明娟等.氮掺杂多孔超交联聚合物的二氧化碳吸附性能研究[J].低碳化学与化工,2026,51(3):78-84.

LI Jixu,LI Zesong,SHI Mingjuan,et al.Study on CO₂ adsorption performances of nitrogen-doped porous hypercrosslinked polymers[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(3):78-84.
李继续,李泽松,石明娟等.氮掺杂多孔超交联聚合物的二氧化碳吸附性能研究[J].低碳化学与化工,2026,51(3):78-84. DOI： 10.12434/j.issn.2097-2547.20250160.

LI Jixu,LI Zesong,SHI Mingjuan,et al.Study on CO₂ adsorption performances of nitrogen-doped porous hypercrosslinked polymers[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(3):78-84. DOI： 10.12434/j.issn.2097-2547.20250160.

摘要

随着全球变暖问题日益严重，基于固体多孔吸附材料的二氧化碳（CO

）捕集技术，作为一种重要的碳减排技术受到了广泛关注。分别以苯并咪唑（BMZ）、咔唑（CBZ）、二苯基咪唑（DMZ）和偶氮苯（ABZ）作为反应单体，制备了系列氮掺杂多孔超交联聚合物（HCPs）。采用SEM、N

吸/脱附、元素分析和FT-IR等表征手段，分析了不同结构单体对HCPs微观形貌和孔隙结构的影响，并开展了CO

静态吸附、动态吸附和循环稳定性测试，评估了HCPs的吸附性能。结果表明，HCPs具有纤维状微观结构，纤维上孔隙结构紧密排列。反应单体尺寸越小，制备的HCPs比表面积和微孔面积越大，其中HCP-ABZ的比表面积达到875.5 m

/g。HCPs具有良好的CO

吸附性能，273 K下HCP-CBZ的CO

静态吸附量达到4.30 mmol/g；CO

动态吸附过程中，HCP-BMZ的饱和吸附量达到1.13 mmol/g。5次吸/脱附循环后，HCP-BMZ的CO

吸附量基本保持不变，表现出良好的循环稳定性。本研究可为开发高效CO

吸附材料提供参考。

Abstract

With the increasingly severe problem of global warming

carbon dioxide (CO

) capture technology based on solid porous adsorption materials has received widespread attention as an important carbon emission reduction strateg

y. A series of nitrogen-doped porous hypercrosslinked polymers (HCPs) were prepared using benzimidazole (BMZ)

carbazole (CBZ)

diphenyl imidazole (DMZ) and azobenzene (ABZ) as reaction monomers. Characterization methods including SEM

adsorption/desorption

elemental analysis and FT-IR were employed to analyze the influence of different monomer structures on the microstructure and pore structure of the HCPs. Static adsorption

dynamic adsorption and cyclic stability tests were carried out to evaluate their CO

adsorption performance. The results show that the HCPs exhibit a fibrous microstructure with tightly arranged pore structures on the fibers. The smaller the size of the reaction monomer

the larger the specific surface area and micropore area of the prepared HCPs. Among them

the specific surface area of HCP-ABZ reaches 875.5 m

/g. The HCPs demonstrate excellent CO

adsorption performance. The static CO

adsorption capacity of HCP-CBZ at 273 K reaches 4.30 mmol/g

and the saturation adsorption capacity of HCP-BMZ during the dynamic CO

adsorption process reaches 1.13 mmol/g. After five adsorption/desorption cycles

the CO

adsorption capacity of HCP-BMZ remains basically unchanged

indicating excellent cyclic stability. The study provides a reference for the development of efficient CO

adsorption materials.

关键词

Keywords

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Study on CO2 adsorption performances of nitrogen-doped porous hypercrosslinked polymers

DOI：10.12434/j.issn.2097-2547.20250160

摘要

Abstract

关键词

Keywords

references

Study on CO₂ adsorption performances of nitrogen-doped porous hypercrosslinked polymers