Conventional catalysts used for dry methane reforming (DRM) includes nickel-based catalysts that have high activity at elevated temperatures. However, the primary deactivation mechanisms for these catalysts include coking and sintering of the nanoparticles. A possible solution to prolong the lifetime of nickel-based catalysts is the use of supports that promote both the thermal stability and coke-resistance. The redox ability and strong metal-support interaction of “geo-inspired” perovskite oxide catalysts have come into the forefront as possible contenders for the prolonged use of nickel-based catalysts. In this work, we studied DRM using a series of Ni and Ni/Co catalysts supported on LaFeO<sub>3</sub>. Manipulation of the bulk of the perovskite support defects qualitatively shows changes in the metal-support interaction of the bimetallic imparting nanoparticles with different sizes and composition. The activity, thermal stability and regeneration is discussed during this presentation. Particular attention has been devoted to the influence of bulk defects in the perovskite support to potentially change the properties of Ni-alloy catalysts and the molar ratio of H<sub>2</sub>/CO.

Manipulation of the metal-support interaction of Ni/Co nanoparticles for dry methane reforming

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.