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Rapid Commun."],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Although ion gels are promising for flexible sensing, simultaneously achieving high mechanical strength, stretchability, ionic conductivity, and interfacial adhesion remains challenging. Here, we report the preparation of ion gels with tunable mechanical properties using two ionic liquids (ILs) with different compatibilities with poly(acrylic acid) (PAA) via a one\u2010pot ultraviolet (UV)\u2010initiated polymerization. Adjusting the mixing ratio of the two ILs can regulate the phase separation of the gel and promote the formation of a bicontinuous phase. The optimized ion gel exhibits a tensile strength of 11\u00a0MPa, high elongation at break (363%), excellent ionic conductivity (1.4\u00a0\u00d7\u00a010\n                    <jats:sup>\u2212<\/jats:sup>\n                    <jats:sup>2<\/jats:sup>\n                    \u00a0mS\u00a0cm\n                    <jats:sup>\u2212<\/jats:sup>\n                    <jats:sup>1<\/jats:sup>\n                    ), and robust interfacial adhesion. Ion gel\u2010based strain sensors exhibit sensitive, reproducible resistance responses over a wide strain range and enable repeatable monitoring of human joint motions and daily activities. This work establishes a simple anion\u2010regulated phase separation strategy for engineering high\u2010performance ion gels for wearable sensing.\n                  <\/jats:p>","DOI":"10.1002\/marc.70441","type":"journal-article","created":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T04:54:31Z","timestamp":1792558471000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Anion\u2010Regulated Phase Separation Constructs Mechanically Tunable Ion Gels for Strain Sensing"],"prefix":"10.1002","author":[{"given":"Jie","family":"Gao","sequence":"first","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Song","family":"Guo","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhe","family":"Ji","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mo","family":"Cao","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-2784-2879","authenticated-orcid":false,"given":"Wang","family":"Lu","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lina","family":"Ding","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiayin","family":"Chen","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-5749-1070","authenticated-orcid":false,"given":"Shijie","family":"Qu","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiancheng","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wantao","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shiqi","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4417-5596","authenticated-orcid":false,"given":"Jun","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6651-2752","authenticated-orcid":false,"given":"Shiguo","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,20]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsapm.4c02808"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/marc.202300474"},{"issue":"6","key":"e_1_2_8_4_1","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1038\/s41578-018-0018-7","article-title":"Hydrogel Ionotronics","volume":"3","author":"Yang C.","year":"2018","journal-title":"Nature Reviews 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