Evolution of Oxygen Vacancy Sites in Ceria-Based High-Entropy Oxides and Their Role in N2 Activation

O Elmutasim, AG Hussien, A Sharan… - … applied materials & …, 2024 - ACS Publications
In this work, a relatively new class of materials, rare earth (RE) based high entropy oxides
(HEO) are discussed in terms of the evolution of the oxygen vacant sites (Ov) content in their …

Enhanced CO2 methanation activity over Ni/CeO2 catalyst by adjusting metal-support interactions

T Wang, R Tang, Z Li - Molecular Catalysis, 2024 - Elsevier
CO 2 methanation is an essential means of utilizing CO 2, which is crucial to solving
environmental problems and alleviating energy crisis. The design and development of high …

Integrating capture and methanation of CO2 using physical mixtures of Na-Al2O3 and mono-/bimetallic (Ru) Ni/Pr-CeO2

AI Tsiotsias, ND Charisiou, AGS Hussien… - Chemical Engineering …, 2024 - Elsevier
The integrated capture and methanation of CO 2 is hereby realized via the use of physical
mixtures of a 12% Na 2 O/Al 2 O 3 adsorbent and either a monometallic (10% Ni/Pr-CeO 2) …

State-of-the-art thermocatalytic systems for CH4 and CO production via CO2 hydrogenation: critical comparison, mechanistic considerations and structure …

M Lykaki, E Mandela, G Varvoutis… - Discover Chemical …, 2024 - Springer
The unprecedented increase of atmospheric CO2 concentration and the associated climate
change calls for the urgent implementation of CO2 mitigation approaches. Among the …

CO2 capture and methanation using Ru/Na2O/Al2O3 dual-function materials: Effect of support synthesis method and Ru load

AI Tsiotsias, ND Charisiou, AGS Hussien… - Journal of …, 2024 - Elsevier
Abstract Ru/Na 2 O/Al 2 O 3 dual-function materials were prepared by varying the support
synthesis method and Ru load. Different sol-gel-type and precipitation/hydrothermal …