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Rapid Commun."],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    To enhance the proton conductivity of sulfonated poly(ether ether ketone) (SPEEK), proton\u2010conducting groups are required to be covalently connected to SPEEK and form proton\u2010conducting channels. Herein, SPEEK fully grafted with segments containing multiple, flexible propanesulfonic acid groups (MS\u2010SPEEK\u2010102) is successfully prepared. Compared with SPEEK, MS\u2010SPEEK\u2010102 exhibits a higher proton conductivity of 8.3\u00a0\u00d7\u00a010\n                    <jats:sup>\u22122<\/jats:sup>\n                    \u00a0S\u00a0cm\n                    <jats:sup>\u22121<\/jats:sup>\n                    at 80\u00a0\u00b0C with 98% relative humidity, and consequently a greater power density of 0.530\u00a0W\u00a0cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    at\u00a060\u00a0\u00b0C. These can be ascribed to the increased number of sulfonic acid groups, and ample, uninterrupted proton\u2010conducting channels constructed by the movement of the maximum content, flexible side\u2010chain segments. This approach offers an idea for obtaining a proton exchange membrane with good proton conductivity based on SPEEK.\n                  <\/jats:p>","DOI":"10.1002\/marc.202200926","type":"journal-article","created":{"date-parts":[[2022,12,17]],"date-time":"2022-12-17T00:18:20Z","timestamp":1671236300000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["A Maximization of the Proton Conductivity of Sulfonated Poly(Ether Ether Ketone) with Grafted Segments Containing Multiple, Flexible Propanesulfonic Acid Groups"],"prefix":"10.1002","volume":"44","author":[{"given":"Yang","family":"Yu","sequence":"first","affiliation":[{"name":"Hubei Provincial Key Laboratory of Green Materials for Light Industry Collaborative Innovation Center of Green Light\u2010Weight Materials and Processing New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base and School of Materials and Chemical Engineering Hubei University of Technology  Wuhan Hubei 430068 P. 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