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Herein, nanoscale spatial confinement of Sn\n                    <jats:sup>2+<\/jats:sup>\n                    ions is realized in SnSO\n                    <jats:sub>4<\/jats:sub>\n                    electrolyte by strategically dictating spontaneous assembly of nanomicelles with amphipathic sulfolane. The as-constructed locally heterogeneous environment ensures the sustainable release of Sn\n                    <jats:sup>2+<\/jats:sup>\n                    ions, which reprograms the nucleation manner from instantaneous to progressive modes. The consequent progressive formation of Sn nuclei triggers size refinement of electrodeposited Sn, thereby alleviating the \u201cdead Sn\u201d issue. Meanwhile, the reaction competitivity of Sn\n                    <jats:sup>2+<\/jats:sup>\n                    reduction over hydrogen evolution side reaction is effectively strengthened as the consecutive hydrogen bonding network among bulk water is disrupted by the micellar structure. Consequently, Sn anode exerts an unprecedently high average Coulombic efficiency of 99.97% and witnesses a prominent life span extension from 710 to 8400\u00a0h (~\u200911-fold enhancement). In a dual-plating configuration, the Sn||Mn full battery delivers a 1.6\u00a0V discharge plateau and sustains 790 cycles, demonstrating practical feasibility. Our findings underscore the decisive role of the very initial nucleation behavior in regulating metal electrochemistry, applicable to other multivalent anodes.\n                  <\/jats:p>","DOI":"10.1007\/s40820-026-02070-6","type":"journal-article","created":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T04:56:45Z","timestamp":1770094605000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Activating Progressive Sn2+ Nucleation by Micellar Structure Electrolyte for Dead-Sn-Free Aqueous Batteries"],"prefix":"10.1007","volume":"18","author":[{"given":"Xiaojia","family":"Lan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhaoyu","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuekai","family":"Lin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wencheng","family":"Du","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yufei","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minghui","family":"Ye","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhipeng","family":"Wen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongchao","family":"Tang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoqing","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cheng Chao","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,2,3]]},"reference":[{"issue":"7","key":"2070_CR1","doi-asserted-by":"publisher","first-page":"1862","DOI":"10.1039\/C9CS90020A","volume":"48","author":"J Gong","year":"2019","unstructured":"J. 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