Operando laboratory XAS of Ni nanoparticles in CO ₂ methanation using a plug-flow fixed-bed cell with von Hámos spectrometer

Sebastian Praetz; Emiliano Dal Molin; Delf Kober; Marko Tesic; Christopher Schlesiger; Peter Kraus; Julian T. Müller; J. R. Aswin; Daniel Grötzsch; Maged F. Bekheet; Albert Gili; Aleksander Gurlo; Birgit Kanngießer

doi:10.1039/d6ja00027d

January 1, 2026Journal of Analytical Atomic SpectrometryOpen Access

Operando laboratory XAS of Ni nanoparticles in CO ₂ methanation using a plug-flow fixed-bed cell with von Hámos spectrometer

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Key Points

The study aims to develop a plug-flow fixed-bed cell for operando XAS to study Ni nanoparticles in CO2 methanation.
Designed a plug-flow fixed-bed cell for operando laboratory XAS.
Utilized a von Hámos spectrometer for the analysis.
Conducted experiments at temperatures up to 1000 °C.
Successfully operated the cell under high-temperature conditions.
Demonstrated the feasibility of using XAS for real-time analysis of catalytic processes.

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Implication

Laboratory XAS reveals insights into Ni nanoparticles in CO2 methanation, suggesting improved catalysis understanding.

Abstract

A plug-flow fixed-bed cell for operando laboratory X-ray absorption spectroscopy (XAS) using a von Hámos spectrometer is presented for heterogeneous catalysis studies. The cell operates up to 1000 °C and...

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Cite This Study

Praetz et al. (2026) studied this question.

synapsesocial.com/papers/6997f9c9ad1d9b11b3452949 https://doi.org/10.1039/d6ja00027d

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Operando laboratory XAS of Ni nanoparticles in CO ₂ methanation using a plug-flow fixed-bed cell with von Hámos spectrometer

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Operando laboratory XAS of Ni nanoparticles in CO ₂ methanation using a plug-flow fixed-bed cell with von Hámos spectrometer

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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