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This modified catalyst delivers an impressive ammonia (NH\n                    <jats:sub>3<\/jats:sub>\n                    ) Faradaic efficiency of 97.19% at \u22120.1 V and a large NH\n                    <jats:sub>3<\/jats:sub>\n                    yield of 0.278 mmol h\n                    <jats:sup>\u22121<\/jats:sup>\n                    cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    at \u22120.5 V. Moreover, the Co\n                    <jats:sub>n<\/jats:sub>\n                    \u2010CeO\n                    <jats:sub>2<\/jats:sub>\n                    \/NC\u2010based Zn\u2010NO\n                    <jats:sub>3<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    battery also exhibits superior electrochemical performance. Experimental results and theoretical calculations indicate that under directional electronic coupling interactions that Ce transfers charge to Co, the number of unpaired electrons in the Co 3d orbital increases, thereby altering its spin environment. Optimized Co site, with its strong electron\u2010donating ability, not only stably adsorbs NO\n                    <jats:sub>3<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    that effectively lower its\n                    <jats:italic>\u03c0<\/jats:italic>\n                    * energy level, but also elevates the energy of the Co d orbitals electrons, bringing them closer to the\n                    <jats:italic>\u03c0<\/jats:italic>\n                    * of NO\n                    <jats:sub>3<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    . On this basis, Co\n                    <jats:sub>n<\/jats:sub>\n                    \u2010CeO\n                    <jats:sub>2<\/jats:sub>\n                    \/NC promotes the electron transfer to the\n                    <jats:italic>\u03c0<\/jats:italic>\n                    * orbital of NO\n                    <jats:sub>3<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    , which increases the electron density of the\n                    <jats:italic>\u03a0<\/jats:italic>\n                    <jats:sub>4<\/jats:sub>\n                    <jats:sup>6<\/jats:sup>\n                    bond of NO\n                    <jats:sub>3<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    and weakened its stability, thus effectively expediting the cleavage of the N\u2500O bond. This study demonstrated the efficient activation of NO\n                    <jats:sub>3<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    induced by conjugated active sites, thereby providing a viable development pathway for high\u2010performance NO\n                    <jats:sub>3<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    RR electrocatalysts.\n                  <\/jats:p>","DOI":"10.1002\/smll.76181","type":"journal-article","created":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T08:55:38Z","timestamp":1791881738000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Highly Efficient Electrocatalytic Nitrate\u2010to\u2010Ammonia Conversion Enabled by Ce\u2010O\u2010Co Conjugated Active Sites in Co\n                    <sub>n<\/sub>\n                    \u2010CeO\n                    <sub>2<\/sub>\n                    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