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Although the influence of intercalants on the material structure and Zn\n                    <jats:sup>2+<\/jats:sup>\n                    storage capacity has been adequately studied, an in\u2010depth understanding of the influence of intercalants on proton storage is still lacking. Especially, proton transport exhibits ultrafast kinetics as an ideal charge carrier, playing a crucial role in the performance of AZIBs. We show that pre\u2010intercalated K\n                    <jats:sup>+<\/jats:sup>\n                    in K\n                    <jats:sub>0.5<\/jats:sub>\n                    V\n                    <jats:sub>6<\/jats:sub>\n                    O\n                    <jats:sub>13<\/jats:sub>\n                    (KVO) not only reinforces the [VO] framework but also optimizes the hydrogen\u2010bonded network composed of confined lattice water, achieving ultrafast proton transport. Benefiting from the optimization of proton topochemistry, the capacity, rate performance, and cycling stability of KVO improve significantly. KVO delivers a high reversible capacity of 462.9 mAh g\n                    <jats:sup>\u22121<\/jats:sup>\n                    at 0.2 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    and 82.3% retention after 20000 cycles at 20 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    . Even with the high mass loading of 19.2\u00a0mg cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    , a KVO||Zn pouch cell with 539.2 mAh capacity can achieve stable cycling for more than 300 cycles at 0.5 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    . This work provides new insights into how pre\u2010intercalated cations affect the proton topochemistry and electrochemical performance of inorganic cathodes.\n                  <\/jats:p>","DOI":"10.1002\/adma.75300","type":"journal-article","created":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T15:32:07Z","timestamp":1791819127000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Pre\u2010Intercalated Cation Optimizing Proton Topochemistry for High\u2010Performance Aqueous Zinc\u2010Ion Batteries"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1870-7461","authenticated-orcid":false,"given":"Wenhao","family":"Liang","sequence":"first","affiliation":[{"name":"Department of Chemistry and Research Institute For Smart Energy The Hong Kong Polytechnic University  Hong Kong SAR China"},{"name":"Department of Materials Science and Engineering School of Chemistry and Materials Science University of Science and Technology of China  Hefei Anhui People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-1368-9763","authenticated-orcid":false,"given":"Yecheng","family":"Qiu","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Research Institute For Smart Energy The Hong Kong Polytechnic University  Hong Kong SAR China"},{"name":"Department of Materials Science and Engineering School of Chemistry and Materials Science University of Science and Technology of China  Hefei Anhui People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manman","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Research Institute For Smart Energy The Hong Kong Polytechnic University  Hong Kong SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5527-2431","authenticated-orcid":false,"given":"Fushan","family":"Geng","sequence":"additional","affiliation":[{"name":"Shanghai Key Laboratory of Magnetic Resonance State Key Laboratory of Precision Spectroscopy School of Physics and Electronic Science East China Normal University  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bingwen","family":"Hu","sequence":"additional","affiliation":[{"name":"Shanghai Key Laboratory of Magnetic Resonance State Key Laboratory of Precision Spectroscopy School of Physics and Electronic Science East China Normal University  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3483-8341","authenticated-orcid":false,"given":"Tao","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering School of Chemistry and Materials Science University of Science and Technology of China  Hefei Anhui People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9949-7525","authenticated-orcid":false,"given":"Wai\u2010Yeung","family":"Wong","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Research Institute For Smart Energy The Hong Kong Polytechnic University  Hong Kong SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,12]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41578\u2010022\u201000511\u20103"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1039\/C9CS00349E"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1039\/D3CS00295K"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2025.216984"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.accounts.4c00484"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pmatsci.2024.101393"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202501361"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.9b00628"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ppnp.2015.01.002"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202407852"},{"key":"e_1_2_8_12_1","first-page":"54","article-title":"Sur la D\u00e9composition De L'Eau et Des Corps Qu'Elle Tient en Dissolution \u00e0 l'Aide de l\u2032\u00c9lectricit\u00e9 Galvanique","author":"Grotthuss C. 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