Abstract
This study presents the synthesis and characterization of the Co supported on CeO2 nanorods (NR) catalyst to investigate catalytic performance towards efficient hydrogen production. The catalyst was characterized by transmission electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction. Temperature-programmed reduction measurements showed that the Co/CeO2-NR active phase was reduced below 500°C. Adding Co to CeO2-NR enhances the basicity of the raw CeO2-NR and greatly improves the conversion to 70% for CO2 and 55% for CH4. In addition, density functional theory calculations using Halgren–Lipscomb indicate electron donation from Co to CeO2-NR promotes feasible breaking of C–H bonds.
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The data support the findings of this study are available from the corresponding author upon reasonable request.
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Acknowledgments
The Advanced Microscopy Center of TÜ-Darmstadt at Germany, Universidad Autónoma de Ciudad Juárez for the use of computing resources and BIOVIA-Materials Studio© licensing and to Instituto Nacional de Investigaciones Nucleares (ININ) for the usage of laboratory facilities. This project is funded by CONAHCyT-SENER (226151) and M. R. thanks Sistema Nacional de Investigadoras e Investigadores fellowship program of CONAHCyT-México (222146). J. Reyna acknowledged CONAHCyT through Programa Nacional de Posgrados de Calidad solicitation number 1022565.
Funding
Funding for this work was partially provided by CONAHCyT-SENER solicitation #226151, Sistema Nacional de Investigadores y Investigadoras (SNII) from CONAHCyT-Mexico Grant Numbers 790769 and 222146.
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Conceptualization, JRA, RPH. and MARM.; investigation, JRA.; Synthesis, RPH. Characterizations, JRA, JTD, OR, RPH, and LM.; writing—original draft preparation, JRA, MARM.; writing—review, data analysis, and editing, JRA, RPH, OALG, and MARM. All authors have read and agreed to the published version of the manuscript.
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Reyna-Alvarado, J., López-Galán, O.A., Trimmer, J. et al. Enhanced syngas (H2/CO) production by Co/CeO2 nanorods catalyst through dry reforming of methane. MRS Communications (2024). https://doi.org/10.1557/s43579-024-00585-w
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DOI: https://doi.org/10.1557/s43579-024-00585-w