{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T10:13:59Z","timestamp":1790676839484,"version":"4.1.0"},"reference-count":62,"publisher":"Wiley","issue":"30","license":[{"start":{"date-parts":[[2025,5,28]],"date-time":"2025-05-28T00:00:00Z","timestamp":1748390400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002551","name":"Seoul National University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002551","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Improving the cycling stability in Ni\u2010rich LiNi\n                    <jats:sub>x<\/jats:sub>\n                    Co\n                    <jats:sub>y<\/jats:sub>\n                    Mn\n                    <jats:sub>1\u2212x\u2212y<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    (NCM) cathodes, particularly under high C\u2010rates and elevated voltages, remains a significant challenge in lithium battery technology. A novel polymer coating based on lithium sulfonyl(trifluoromethane sulfonyl)imide methacrylate (LiMTFSI), a material commonly used in solid polymer electrolytes (SPEs), is applied to LiNi\n                    <jats:sub>0.8<\/jats:sub>\n                    Co\n                    <jats:sub>0.1<\/jats:sub>\n                    Mn\n                    <jats:sub>0.1<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    (NCM811) cathodes. This coating improves electrochemical stability at high C\u2010rates (2C and 4C) and voltages up to 4.5\u00a0V, compared to uncoated cathodes, enabling reduced charging times (e.g., 1 h at 1C to 15 min at 4C) while maintaining relatively enhanced cycling performance. Mechanistically, the coating helps suppress surface phase transitions to the rock\u2010salt phase, mitigates transition metal dissolution, and facilitates lithium\u2010ion transport at the cathode\u2013electrolyte interface. These combined effects contribute to enhanced cycling durability under demanding conditions. Galvanostatic intermittent titration technique (GITT) analysis further supports that the coating promotes interfacial lithium\u2010ion conduction without acting as an insulating barrier. Additionally, the coated NCM811 electrodes exhibit improved rate performance. This study shows that repurposing SPE\u2010derived monomers as cathode surface modifiers provides a practical route to improving rapid\u2010charging capability, energy utilization, and long\u2010term operational stability in lithium batteries.\n                  <\/jats:p>","DOI":"10.1002\/smll.202502816","type":"journal-article","created":{"date-parts":[[2025,5,28]],"date-time":"2025-05-28T09:35:58Z","timestamp":1748424958000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Enhanced Cycling Stability of NCM811 Cathodes at High C\u2010Rates and Voltages via LiMTFSI\u2010Based Polymer Coating"],"prefix":"10.1002","volume":"21","author":[{"given":"Hori","family":"Kim","sequence":"first","affiliation":[{"name":"School of Chemical and Biological Engineering and Institute of Chemical Processes Seoul National University  1 Gwanak\u2010ro, Gwanak\u2010gu Seoul 08826 Republic of 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