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However, alcohol\u2010induced instability of ion channels within these polymers compromises electrolysis durability. Here we report a nonpolar cross\u2010linked polymer architecture that stabilizes ion channels in alcohol\u2010rich environments, enabling robust CO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010to\u2010alcohol conversion. Covalent integration of ion\u2010conductive poly(arylene) piperidinium into a nonpolar poly(styrene) network creates a hydrophobic scaffold that confines ion channels, locking them against alcohol\u2010induced swelling. The resulting structure retains over 97% of mechanical integrity after 1000 h of alcohol exposure, dramatically outperforming conventional poly(arylene) piperidinium that retains only 17% within 1 h. This excellent structural stability minimizes alcohol crossover and maintains efficient ion transport during electrolysis, sustaining continuous ethanol production with over 99% product retention and stable cell performance, whereas poly(arylene) piperidinium exhibits rapid failure. This work establishes nonpolar cross\u2010linking as a general strategy for constructing stable ion channels within ion\u2010conductive polymers, offering a molecular design approach for durable CO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010to\u2010alcohol electrolysis.\n                  <\/jats:p>","DOI":"10.1002\/anie.7244239","type":"journal-article","created":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T11:42:08Z","timestamp":1782474128000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Stabilizing Ion Channels via Nonpolar Cross\u2010Linking in Ion\u2010Conductive Polymers for Robust CO\n                    <sub>2<\/sub>\n                    \u2010to\u2010Alcohol Conversion"],"prefix":"10.1002","volume":"65","author":[{"given":"Yingke","family":"Wen","sequence":"first","affiliation":[{"name":"Department of Chemistry Zhejiang University  Hangzhou China"},{"name":"ZJU\u2010Hangzhou Global Scientific and Technological Innovation Center Zhejiang University  Hangzhou China"},{"name":"Zhejiang Key Laboratory of Excited\u2010State Energy Conversion and Energy Storage  Hangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-1667-8712","authenticated-orcid":false,"given":"Xinhao","family":"Su","sequence":"additional","affiliation":[{"name":"Department of Chemistry Zhejiang University  Hangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinfang","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Chemistry Zhejiang University  Hangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanjie","family":"Fang","sequence":"additional","affiliation":[{"name":"Department of Chemistry Zhejiang University  Hangzhou China"},{"name":"ZJU\u2010Hangzhou Global Scientific and Technological Innovation Center Zhejiang University  Hangzhou China"},{"name":"Zhejiang Key Laboratory of Excited\u2010State Energy Conversion and Energy Storage  Hangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6802-3095","authenticated-orcid":false,"given":"Bing","family":"Shan","sequence":"additional","affiliation":[{"name":"Department of Chemistry Zhejiang University  Hangzhou China"},{"name":"ZJU\u2010Hangzhou Global Scientific and Technological Innovation Center Zhejiang University  Hangzhou China"},{"name":"Zhejiang Key Laboratory of Excited\u2010State Energy Conversion and Energy Storage  Hangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,6,26]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.aav3506"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.abg6582"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.adr3834"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41586\u2010025\u201008978\u20100"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41929\u2010019\u20100306\u20107"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41586\u2010019\u20101760\u20108"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41560\u2010020\u20100607\u20108"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41929\u2010019\u20100383\u20107"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.4c03830"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joule.2019.07.021"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41578\u2010021\u201000356\u20102"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.accounts.8b00010"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41560\u2010023\u201001415\u20104"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1002\/adsu.201700187"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1039\/D0CS00071J"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.3c00206"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41560\u2010020\u201000761\u2010x"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1002\/advs.201800065"},{"key":"e_1_2_8_20_1","first-page":"73","volume-title":"Intermolecular and Surface Forces","author":"Israelachvili J. 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