Thiol-Ene Photo Crosslinked PUA-PUMA-Based Flexible Gel Polymer Electrolyte for Lithium-Ion Batteries
Uyumaz F. Nurgaziyeva E. Kalybekkyzy S. Kahraman M.V.
July 2024John Wiley and Sons Inc
Macromolecular Materials and Engineering
2024#309Issue 7
Crosslinked polymer films, formed via sol–gel and UV photocrosslinking, serve as gel polymer electrolytes (GPEs) in lithium-ion batteries. Combining polyurethane acrylate (PUA), polyurethane methacrylate (PUMA), pentaerythritol tetrakis (3-mercaptopropionate) (PETMP), and 3-mercaptopropyl trimetoxysilane (MPTMS) yields flexible membranes, enhancing stability and liquid electrolyte compatibility. The resulting GPE displays higher ionic conductivity (1.46 × 10−3 S cm−1) than Celgrad2500, with PUA-PUMAs hydrophilicity and PETMPs SH groups preventing leakage. GPPF1, the developed GPE, offers improved ionic conductivity, a stable electrochemical window up to 3.8 V, and heightened safety for versatile energy storage systems.
gel polymer electrolyte , lithium-ion battery , polyurethane acrylate , polyurethane methacrylate , UV-crosslinking
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Department of Chemistry, Faculty of Science, Marmara University, Istanbul, 34722, Turkey
National Laboratory Astana, Nazarbayev University, Astana, 010000, Kazakhstan
Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, Astana, 010000, Kazakhstan
Department of Chemistry
National Laboratory Astana
Department of Chemistry
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