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Herein, poly(5,8\u2010diaza\u20101,4\u2010naphthoquinone) (PANQ) has been synthesized to facilitate NH\n                    <jats:sub>4<\/jats:sub>\n                    <jats:sup>+<\/jats:sup>\n                    transport in AAIBs. The \u03c0\u2010conjugated PANQ possesses a rigid, linear molecular structure. The straight intermolecular slits with uniformly distributed carbonyl sites form railway\u2010like NH\n                    <jats:sub>4<\/jats:sub>\n                    <jats:sup>+<\/jats:sup>\n                    pathways, enabling rapid ion transport through the dynamic formation and disruption of hydrogen bonds. The PANQ electrode delivers a high capacity of 286.8 mAh g\n                    <jats:sup>\u22121<\/jats:sup>\n                    at 1 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    in a 2\u00a0mol L\n                    <jats:sup>\u22121<\/jats:sup>\n                    ammonium acetate electrolyte. Thanks to the rapid NH\n                    <jats:sub>4<\/jats:sub>\n                    <jats:sup>+<\/jats:sup>\n                    transport pathways, the electrode displays an excellent rate capability, retaining 161.7 mAh g\n                    <jats:sup>\u22121<\/jats:sup>\n                    at 80 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    . Moreover, it displays exceptional cycling stability over 10\u00a0000 cycles at 20 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    . The PANQ electrode was employed as the anode in a PANQ\/\/NiCo\u2010LDH AAIB (NiCo\u2010LDH represents the Ni\u2010Co layered double hydroxide cathode), retaining an energy density of 25.2\u00a0Wh kg\n                    <jats:sup>\u22121<\/jats:sup>\n                    even at an ultrahigh power density of 23\u00a0320.2\u00a0W kg\n                    <jats:sup>\u22121<\/jats:sup>\n                    . This study provides a high\u2010performance electrode candidate for AAIBs and a strategy for constructing rapid ion\u2010transport pathways to enable efficient NH\n                    <jats:sub>4<\/jats:sub>\n                    <jats:sup>+<\/jats:sup>\n                    storage and superior electrochemical kinetics.\n                  <\/jats:p>","DOI":"10.1002\/smtd.71131","type":"journal-article","created":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T11:00:20Z","timestamp":1791975620000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A \u03c0\u2010Conjugated Polymer Anode With Railway\u2010Like NH\n                    <sub>4<\/sub>\n                    <sup>+<\/sup>\n                    Pathways for High\u2010Rate Aqueous Ammonium\u2010Ion Batteries"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5822-9102","authenticated-orcid":false,"given":"Zirui","family":"Lin","sequence":"first","affiliation":[{"name":"State Key Laboratory of Coking Coal Resources Green Exploitation China University of Mining and Technology  Xuzhou Jiangsu China"},{"name":"Chinese National Engineering Research Center of Coal Preparation and Purification China University of Mining and Technology  Xuzhou Jiangsu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dan","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Applied Chemistry School of Light Industry and Chemical Engineering Dalian Polytechnic University  Dalian Liaoning China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4876-1135","authenticated-orcid":false,"given":"Jiangmin","family":"Jiang","sequence":"additional","affiliation":[{"name":"Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments School of Materials Science and Physics China University of Mining and Technology  Xuzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fengcui","family":"Cheng","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Coking Coal Resources Green Exploitation China University of Mining and Technology  Xuzhou Jiangsu China"},{"name":"Chinese National Engineering Research Center of Coal Preparation and Purification China University of Mining and Technology  Xuzhou Jiangsu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-2006-1234","authenticated-orcid":false,"given":"Xiang","family":"Cai","sequence":"additional","affiliation":[{"name":"Department of Applied Chemistry School of Light Industry and Chemical Engineering Dalian Polytechnic University  Dalian Liaoning 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