Selective Synthesis of Ethane from Methane by a Photocatalytic Chemical Cycle Process (Adv. Energy Mater. 9/2025)

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In article number 2404202, Junwang Tang and co-workers present a photocatalytic chemical cycle process. Under light irradiation, CH₄ is converted to C₂H₆ over a Co_0.2Pd_1.8-TiO₂ catalyst, in which the lattice oxygen of the catalyst is consumed and then replenished with air, thereby restoring the catalyst's activity. This process enhances the selectivity and safety of methane partial oxidation by separating O₂ from CH₄ during the chemical cycle.