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This study addresses these challenges by doping oxophilic cerium (Ce) into a copper (Cu) matrix through thermal co\u2010evaporation, creating atomistic CeO\n                    <jats:sub>\u03c7<\/jats:sub>\n                    \u2010Cu\n                    <jats:sup>\u03b4+<\/jats:sup>\n                    domains to promote bridged adsorption of\u00a0\n                    <jats:italic>\n                      <jats:sup>*<\/jats:sup>\n                    <\/jats:italic>\n                    CO while pumping up the proton supply through enhanced water dissociation. The high inertia of\n                    <jats:sup>*<\/jats:sup>\n                    CO\n                    <jats:sub>bridge<\/jats:sub>\n                    , as co\u2010stabilized by\n                    <jats:sup>*<\/jats:sup>\n                    OH, and the high proton availability, effectively inhibit C\u2500C coupling while prompting intermediates hydrogenation, ultimately leading to improved methane production. The optimized Ce\n                    <jats:sub>2%<\/jats:sub>\n                    O\n                    <jats:sub>\u03c7<\/jats:sub>\n                    \u2010Cu catalyst achieves an unprecedented stability in MEA operation for over 210 h with an average methane selectivity above 50%. This work offers profound understanding on synergistically tuning intermediates binding and water dissociation through oxophilic rare\u2010earth doping to steer the eCO\n                    <jats:sub>2<\/jats:sub>\n                    R pathway.\n                  <\/jats:p>","DOI":"10.1002\/smll.202506545","type":"journal-article","created":{"date-parts":[[2025,9,15]],"date-time":"2025-09-15T09:26:09Z","timestamp":1757928369000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Atomistic and Oxophilic Ce Raises the Inertia of CO Intermediates Toward Enhanced Electrocatalytic Methanation"],"prefix":"10.1002","volume":"21","author":[{"given":"Zhangyi","family":"Zheng","sequence":"first","affiliation":[{"name":"Soochow Institute for Energy and Materials Innovations College of Energy Soochow University  Suzhou 215006 P. R. 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