Carbon-supported Ni nanoparticles in CO 2 methanation: role of a superficial NiO shell observed by in situ TEM

2025/07/16 by Katherine E. MacArthur, Liliana P. L. Gonçalves, Juliana P. S. Sousa +10 · 1 voice
Materials Science · Chemical Engineering · #Catalytic Processes in Materials Science #Catalysts for Methane Reforming #Catalysis and Oxidation Reactions

paper · pdf · doi:10.1039/d5im00033e

openalex created_date 2025/07/16 · openalex publication_date 2025/07/16 · openalex updated_date 2026/08/01

Abstract

In situ TEM uncovers dynamic Ni@NiO core–shell nanostructures emerging on Ni/AC during CO 2 methanation. The NiO shell activates CO 2 while the Ni 0 core splits H 2 , coupling intermediates to deliver a high CH 4 yield.

Citations

• A review of recent catalyst advances in CO2 methanation processes
• Promoting effect of Fe on supported Ni catalysts in CO2 methanation by in situ DRIFTS and DFT study

Discussions

• ✨ An ICM paper reveals the mechanism of CO₂ #methanation In situ TEM reveals dynamic Ni@NiO core–shell #nanostructures on Ni/AC during CO₂ methanation. The NiO shell activates CO₂ while the Ni⁰ core [bsky, 0 points, 0 comments]

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