{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T03:47:08Z","timestamp":1790912828069,"version":"4.1.0"},"reference-count":51,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T00:00:00Z","timestamp":1767744000000},"content-version":"vor","delay-in-days":6,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:p>\n                    The shuttle effect of polysulfides and the piercing of dendrites severely limit the cycling stability and safety of room\u2010temperature sodium\u2013sulfur (RT Na\u2013S) batteries. To address these challenges, a sandwich structure separator was designed and prepared by electrospinning a fluorinated polyurethane copolymerized polyimide (PI\u2010FPU) fiber membrane and assembling it on both sides of a commercial Celgard separator (PI\u2010FPU\/Celgard\/PI\u2010FPU). The external PI\u2010FPU fiber layers synergistically suppress the polysulfide shuttle through the physical confinement combined with chemical anchoring. Meanwhile, the toughness of the PI\u2010FPU membrane and the high mechanical strength of the Celgard substrate create a robust and flexible structure that effectively inhibits dendrite penetration. In addition, the inherent thermal stability and heat resistance of the PI\u2010FPU material enhance the battery's resistance to thermal runaway and fire. Due to these advanced structural features, the sodium\u2010symmetric cell with the PI\u2010FPU\/Celgard\/PI\u2010FPU separator achieves stable cycling for over 1000\u2009h at a current density of 1 mA cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    . The assembled RT Na\u2013S battery maintains a high discharge specific capacity of 555 mAh g\n                    <jats:sup>\u22121<\/jats:sup>\n                    after 1500 cycles at 3 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    . This work provides a feasible strategy for developing high\u2010safety and long\u2010life RT Na\u2013S batteries.\n                  <\/jats:p>","DOI":"10.1002\/cssc.202502429","type":"journal-article","created":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T17:39:44Z","timestamp":1767807584000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Sandwich\u2010Structured PI\u2010FPU\/Celgard\/PI\u2010FPU Separator for Long\u2010Life Room\u2010Temperature Sodium\u2013Sulfur Batteries"],"prefix":"10.1002","volume":"19","author":[{"given":"Xiaoguang","family":"Jiao","sequence":"first","affiliation":[{"name":"Beijing Key Laboratory for Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chao","family":"Yang","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory for Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaixuan","family":"Ma","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory for Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suyu","family":"Ge","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory for Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Caihong","family":"Feng","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory for Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingze","family":"Jiao","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory for Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology  Beijing China"},{"name":"School of Materials and Environment, Beijing Institute of Technology  Zhuhai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4432-9305","authenticated-orcid":false,"given":"Yun","family":"Zhao","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory for Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,1,7]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ensm.2025.104052"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40820-024-01470-w"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1039\/D4EE01426J"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/cssc.202400757"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1039\/D0EE02203A"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/bte2.20230009"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsenergylett.0c02488"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-018-06443-3"},{"key":"e_1_2_8_10_1","first-page":"2870","article-title":"Metal\u2010based Electrocatalysts for Room\u2010temperature Na\u2013S Batteries","volume":"8","author":"Huang X. 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