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Herein, we employ the macrocyclic supramolecule cucurbit[7]uril (CB[7]) as a nanocage precursor and ferrocene (Fc) as a metal source, respectively. Through spontaneous host\u2013guest self\u2010assembly, an angstrom\u2010level space\u2010confined precursor (Fc@CB[7]) was constructed, providing a well\u2010defined molecular scaffold for oxygen electrocatalysts. The resulting Fc@CB[7] complex exhibits a cage\u2010with\u2010lid geometry, endowing it with the structural characteristics of a metal monatomic precursor. Upon coating the Fc@CB[7] complex with ternary eutectic salts (NaCl, KCl, ZnCl\n                    <jats:sub>2<\/jats:sub>\n                    , named TESs) and subjecting it to pyrolysis, we obtained a novel oxygen electrocatalyst, denoted Fe\n                    <jats:sub>AC<\/jats:sub>\n                    \u2500Fe\n                    <jats:sub>SA<\/jats:sub>\n                    \/N\u2500CBC\n                    <jats:sub>0.7<\/jats:sub>\n                    , featuring coexisting Fe atomic clusters and Fe single atoms. The deliberately designed Fe\n                    <jats:sub>AC<\/jats:sub>\n                    \u2500Fe\n                    <jats:sub>SA<\/jats:sub>\n                    \/N\u2500CBC\n                    <jats:sub>0.7<\/jats:sub>\n                    catalyst delivers a remarkable half\u2010wave potential (\n                    <jats:italic>E<\/jats:italic>\n                    <jats:sub>1\/2<\/jats:sub>\n                    ) of 0.915\u00a0V and outstanding Zn\u2013air battery (ZAB) performance. Density functional theory (DFT) calculations identify the presence of Fe\n                    <jats:sub>7<\/jats:sub>\n                    clusters that modulate the local electronic configuration of Fe\u2500N\n                    <jats:sub>4<\/jats:sub>\n                    sites and weaken *OH adsorption, thereby accelerating the oxygen reduction reaction (ORR) kinetics. This work not only paves a way between supramolecular chemistry and electrochemistry but also provides fundamental insights into the structure\u2013activity relationship of Fe\n                    <jats:sub>AC<\/jats:sub>\n                    \u2500Fe\n                    <jats:sub>SA<\/jats:sub>\n                    \/N\u2500CBC\n                    <jats:sub>0.7<\/jats:sub>\n                    for ORR.\n                  <\/jats:p>","DOI":"10.1002\/anie.5762572","type":"journal-article","created":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T13:38:01Z","timestamp":1777642681000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["From Cucurbit[7]Uril Armor\u2010Equipped Ferrocene to Nitrogen Self\u2010Doped Porous Carbon Hosting Fe Single Atoms and Atomic Clusters for ORR and Zinc\u2010Air Batteries"],"prefix":"10.1002","volume":"65","author":[{"given":"Tao","family":"Wu","sequence":"first","affiliation":[{"name":"College of Materials Sciences &amp; Engineering Huaqiao University  Xiamen Fujian China"},{"name":"Xiamen Institute of Rare Earth Materials, Haixi Institutes Chinese Academy of Sciences  Xiamen Fujian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Yin","sequence":"additional","affiliation":[{"name":"Xiamen Institute of Rare Earth Materials, Haixi Institutes Chinese Academy of Sciences  Xiamen Fujian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shufei","family":"Zhu","sequence":"additional","affiliation":[{"name":"College of Materials Sciences &amp; Engineering Huaqiao University  Xiamen Fujian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huang","family":"Hai","sequence":"additional","affiliation":[{"name":"College of Materials Sciences &amp; Engineering Huaqiao University  Xiamen Fujian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yiming","family":"Xie","sequence":"additional","affiliation":[{"name":"College of Materials Sciences &amp; Engineering Huaqiao University  Xiamen Fujian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8298-4132","authenticated-orcid":false,"given":"Canzhong","family":"Lu","sequence":"additional","affiliation":[{"name":"Xiamen Institute of Rare Earth Materials, Haixi Institutes Chinese Academy of Sciences  Xiamen Fujian 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