{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T20:41:17Z","timestamp":1792356077740,"version":"4.4.0"},"reference-count":58,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T00:00:00Z","timestamp":1792281600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T00:00:00Z","timestamp":1792281600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100012226","name":"Fundamental Research Funds for the Central Universities","doi-asserted-by":"publisher","award":["0205119008"],"award-info":[{"award-number":["0205119008"]}],"id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Water\u2010synthesized polymer dielectrics with reliable high\u2010temperature energy storage capability are highly desirable for sustainable power electronic applications. Herein, a topology\u2010engineered organic\u2010inorganic hybrid dielectric is constructed by integrating epoxy\u2010functionalized hyperbranched polysiloxane (EPHPSi) into water\u2010synthesized fluorinated polyimide (W\u2010PI). During thermal imidization, the epoxy groups of EPHPSi undergo ring\u2010opening reactions with the polymer matrix, forming a robust cross\u2010linked hybrid network. The hyperbranched siloxane nanoarchitecture regulates molecular packing, suppresses segmental relaxation, and introduces additional charge\u2010trapping sites, thereby helping to reduce charge transport and improve the dielectric performance under elevated temperatures. As a result, the optimized W\u2010PI\n                    <jats:sub>EPHPSi<\/jats:sub>\n                    \u201010% film exhibits a high breakdown strength of 669 MV m\n                    <jats:sup>\u22121<\/jats:sup>\n                    at room temperature and retains 630 MV m\n                    <jats:sup>\u22121<\/jats:sup>\n                    at 200\u00b0C, with a relatively narrow Weibull distribution. Meanwhile, the composite film achieves a high discharge energy density of 8.75 J cm\n                    <jats:sup>\u22123<\/jats:sup>\n                    with a charge\u2010discharge efficiency of 94.7% at room temperature. More importantly, an ultrahigh discharge energy density of 8.52 J cm\n                    <jats:sup>\u22123<\/jats:sup>\n                    is maintained at 200\u00b0C under 600 MV m\n                    <jats:sup>\u22121<\/jats:sup>\n                    . This work provides a sustainable strategy for developing environmentally friendly polymer dielectrics for high\u2010temperature capacitive energy storage.\n                  <\/jats:p>","DOI":"10.1002\/smll.76350","type":"journal-article","created":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T20:32:50Z","timestamp":1792355570000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Epoxy\u2010Functional Hyperbranched Polysiloxane Hybridized Water\u2010Synthesized Polyimide Dielectrics for High\u2010Temperature Capacitive Energy Storage"],"prefix":"10.1002","author":[{"given":"Xingchao","family":"Ma","sequence":"first","affiliation":[{"name":"State Key Laboratory of Analytical Chemistry For Life Science, MOE Key Laboratory of High\u2010Performance Polymer Materials &amp; Technology, School of Chemistry and Chemical Engineering Nanjing University  Nanjing 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