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Adv."],"published-print":{"date-parts":[[2026,7,24]]},"abstract":"<jats:p>\n                    A major challenge in realizing ampere hour (Ah)\u2013level aqueous zinc (Zn) ion pouch batteries (Ah-level AZIBs) is the requirements for high Zn utilization rate coupled with even Zn nucleation\/growth. Here, we report a spiral-potato\u2013like covalent organic framework (SP-COF) nanostructure to construct isotropic solid electrolyte interphase for Ah-level AZIBs. Compared with conventional COF nanostructures, the unique spiral-potato\u2013like SP-COF combined with affinity sites and porosity enables isotropic interfacial regulation to achieve nearly unidirectional Zn deposition following the theoretical three-dimensional nucleation curve. As a result, symmetric cells based on SP-COF\/Zn electrode display ultrastable plating\/stripping over 2800 hours at 10\u00a0milliamperes per square centimeter. The successfully assembled Ah-level triple stacked layer pouch cell (SP-COF\/Zn||I\n                    <jats:sub>2<\/jats:sub>\n                    , 1.2 Ah) demonstrates stable cycling over 200 cycles with an ultrahigh Zn utilization rate of 40%. The pouch cell achieves an unprecedented energy density of 156 watt-hours per kilogram. These findings highlight the strategic fine-tuning of COF-based battery architectures to be a promising route for high energy density Ah-level AZIBs.\n                  <\/jats:p>","DOI":"10.1126\/sciadv.aeg5141","type":"journal-article","created":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T17:58:33Z","timestamp":1784915913000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":1,"title":["Spiral-potato\u2013like nanostructure COF enabling nearly unidirectional zinc deposition for Ah-level pouch cells"],"prefix":"10.1126","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-7135-0798","authenticated-orcid":true,"given":"Fengxue","family":"Duan","sequence":"first","affiliation":[{"name":"Guangdong Provincial Key Laboratory of Carbon Dioxide Resource Utilization, School of Chemistry, South China Normal University, Guangzhou 510006, P.R. 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