One-pot synthesis of mesoporous NiCe/Al<sub>2</sub>O<sub>3</sub> catalysts for enhanced carbon dioxide methanation performance

Feng Yanyan; Liu Yongge; Yu Xinglian; Liu Juanjuan; Yang Wen

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One-pot synthesis of mesoporous NiCe/Al₂O₃ catalysts for enhanced carbon dioxide methanation performance

Updated：2026-05-14

- One-pot synthesis of mesoporous NiCe/Al₂O₃ catalysts for enhanced carbon dioxide methanation performance
- Chinese Journal of Chemical Engineering Vol. 90, Issue 2, Pages: 135-145(2026)
- Affiliations：
  
  Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Department of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
  Department of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
  School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
- Author bio：
  
  Corresponding authors. E-mail addresses: feng1988glut@163.com. (Y. Feng)
  Corresponding authors. yangwen167@163.com (W. Yang).
- Funds：
- DOI：
  CLC：
- Received：19 May 2025，
  
  Revised：2025-09-18，
  
  Accepted：23 September 2025，
  
  Online First：22 November 2025，
  
  Published：2026-02
- Accepted：
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Feng Yanyan, Liu Yongge, Yu Xinglian, et al. One-pot synthesis of mesoporous NiCe/Al₂O₃ catalysts for enhanced carbon dioxide methanation performance[J]. Chinese Journal of Chemical Engineering, 2026, 90(2): 135-145.
DOI：

Feng Yanyan, Liu Yongge, Yu Xinglian, et al. One-pot synthesis of mesoporous NiCe/Al₂O₃ catalysts for enhanced carbon dioxide methanation performance[J]. Chinese Journal of Chemical Engineering, 2026, 90(2): 135-145. DOI：

摘要

Abstract

The hydrogenation of carbon dioxide (CO

) to methane (CH

) has become an effective strategy for reducing greenhouse gas emissions due to its high efficiency and low cost

and ordered mesoporous materials have received considerable interest in CO

methanation applications because of their large specific surface area and well-ordered pore structure. Herein

a series of the Ce-modified ordered mesoporous catalysts (NiCe/Al

) were prepared through a one-pot approach

and the influence of Ce doping on the morphology and structure of the catalysts as well as the CO

methanation performance were investigated in detail. The XRD and TEM data revealed that the introduction of Ce could effectively lower the particle size of Ni active components and advance the dispersion of Ni species. The H

-TPR profiles demonstrated that Ce doping facilitated the catalyst's reduction by greatly decreasing its reduction temperature. In addition

the CO

-TPD and XPS data indicated that the incorporation of Ce provided sufficient basic sites for CO

activation and adsorption

and the oxygen vacancies of the Cedoped Ni-based catalysts were significantly enhanced. Obviously

the catalyst 30Ni10Ce/Al

achieved the outstanding catalytic performance

achieving CO

conversion of 90.7% and CH

selectivity of 99.8% at 375℃

and even after 60 h of continuous reaction

it still maintained the stable catalytic activity

which suggested that the Ce-doped Ni-based catalysts can offer significant promising applications in CO

methanation.

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Keywords

references

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One-pot synthesis of mesoporous NiCe/Al2O3 catalysts for enhanced carbon dioxide methanation performance

DOI：

摘要

Abstract

关键词

Keywords

references

One-pot synthesis of mesoporous NiCe/Al₂O₃ catalysts for enhanced carbon dioxide methanation performance