{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T14:20:50Z","timestamp":1789222850602,"version":"build-2803163510"},"reference-count":49,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2025,1,21]],"date-time":"2025-01-21T00:00:00Z","timestamp":1737417600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2023YFB2504202"],"award-info":[{"award-number":["2023YFB2504202"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Science"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    High temperature\u2010proton exchange membrane fuel cells (HT\u2010PEMFC) call for ionomers with low humidity dependence and elevated\u2010temperature resistance. Traditional perfluorosulfonic acid (PFSA) ionomers encounter challenges in meeting these stringent requirements. Herein, this study reports a perfluoroimide multi\u2010acid (PFMA) ionomer with dual active centers achieved through the incorporation of sulfonimide and phosphonic acid groups into the side chain. The fluorocarbon skeleton and multi\u2010acid side chain structure facilitate the segregation of hydrophilic and hydrophobic microphases, augmenting the short\u2010range ordering of hydrophilic nanodomains. Furthermore, the introduction of a rigid segment\u2010benzene ring is employed to decrease side chain flexibility and raise the glass transition temperature. Notably, the prepared membrane exhibits a conductivity of 41 mS cm\n                    <jats:sup>\u22121<\/jats:sup>\n                    at 40% relative humidity, showcasing a 1.8 times improvement over that of PFSA. Additionally, the power output of the H\n                    <jats:sub>2<\/jats:sub>\n                    \u2010air fuel cell based on this membrane reaches 1.5\u00a0W cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    at 105\u00a0\u00b0C, marking a substantial 2.3 times enhancement compared to the PFSA. This work demonstrates the unique advantages of perfluorinated ionomers with multiple protogenic groups in the development of high\u2010performance high\u2010temperature electrolyte materials.\n                  <\/jats:p>","DOI":"10.1002\/advs.202417259","type":"journal-article","created":{"date-parts":[[2025,1,21]],"date-time":"2025-01-21T12:24:56Z","timestamp":1737462296000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Proton Exchange Membrane with Dual\u2010Active\u2010Center Surpasses the Conventional Temperature Limitations of Fuel Cells"],"prefix":"10.1002","volume":"12","author":[{"given":"Yucong","family":"Liao","sequence":"first","affiliation":[{"name":"State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology  Wuhan 430070 P. R. 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