Nanomaterials, Volume 11, Issue 1 (January 2021) – 254 articles
Cover Story (view full-size image): CO2 methanation has recently emerged as a process that converts captured CO2 and H2, produced from renewables, into CH4. Ni is currently being favoured as a catalytically active phase, but presents significant drawbacks, such as insufficient low‑temperature activity, low reducibility and nanoparticle sintering. Such problems can be partly overcome via the introduction of a second transition metal (e.g., Fe and Co) or a noble metal (e.g., Ru, Rh, Pt, Pd and Re) in Ni‑based catalysts. Through Ni–M alloy formation, or the intricate synergy between two adjacent metallic phases, new high-performing and low-cost methanation catalysts can be obtained. View this paper.
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