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The sluggish ORR and unstable Zn\/electrolyte interface at relatively high\u2010rate ability require bifunctional electrolysis. Herein, a multi\u2010walled carbon nanotube (MWCNT) and resorcinol\u2010formaldehyde (RF) polymer composite resulted nanofiber in which Fe and Co\u2010atomic sites were incorporated in Fe\n                    <jats:sub>A<\/jats:sub>\n                    \u2010Co\n                    <jats:sub>A<\/jats:sub>\n                    \/MWCNT\u2010NC. As compared between the bridging Fe\u2212Co and lateral Fe\u2212Co model by Density Functional Theory (DFT) simulation and Bader charge analysis, optimal charge transfer at bridging with faster ORR kinetics as a result of balanced adsorption energy and electron distribution suggests a Fe\u2212Co bridging model is more active. A comparison of ORR and ZAB with single\u2010atomic FeSA950NC supports the DFT results of charge distribution and weakened adsorption of ORR intermediates. ORR and ZAB results reveal: 1) bridging atom sites with moderate charge polarization due to delocalization of\n                    <jats:italic>d\u2010band<\/jats:italic>\n                    electrons, 2) significant electron conduction, 3) more adsorption\u2010desorption on Fe\u2212N sites. These findings offer insights into the electron redistribution in sites of electrodes and rational design for high\u2010performance electrodes in energy storage devices.\n                  <\/jats:p>","DOI":"10.1002\/smll.74296","type":"journal-article","created":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T13:05:36Z","timestamp":1782479136000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Synergistic Charge Redistribution in a Dual\u2010Atomic Fe\u2212CoN\n                    <sub>6<\/sub>\n                    on Nanofiber With Fe\u2212N Site Preference of Intermediates Compared to Pristine Fe Single Atoms for Oxygen Redox in Zinc\u2010Air Battery"],"prefix":"10.1002","volume":"22","author":[{"given":"Anubha","family":"Yadav","sequence":"first","affiliation":[{"name":"Electrochemical Energy &amp; Sensor Research Laboratory Amity Institute of Click Chemistry Research &amp; Studies Amity University  Noida 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