Researchers at Taiyuan University of Technology investigated the influence of nickel (Ni) particle size on the activation of CO₂ and formation of CO during the dry reforming of methane (DRM). Using density functional theory, they found that smaller Ni particles favor direct CO₂ dissociation, while larger particles prefer hydrogenation dissociation. Ni25/MgO particles showed superior resistance to carbon formation. These findings could lead to more efficient Ni-based catalysts for DRM, enhancing greenhouse gas utilization and cleaner energy production.
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